DimenAI helps merchants offer accurate shipping rates and ship orders efficiently. One app, multiple carriers – Show live rates from UPS, USPS, FedEx, and Australia Post at checkout and in the admin. AI 3D bin packing – Automatically fits order items into your boxes so you use the right size and avoid oversized shipping costs. Simple package management – Create and manage your box dimensions and weight limits; the app uses them for accurate rates and packing. Order shipment workflow – Review orders, see packed boxes, and buy labels without leaving One app, multiple carriers – Show live rates from UPS, USPS, FedEx, and Australia Post at checkout and in the admin. AI 3D bin packing – Automatically fits order items into your boxes so you use the right size and avoid oversized shipping costs. Simple package management – Create and manage your box dimensions and weight limits; the app uses them for accurate rates and packing. Order shipment workflow – Review orders, see packed boxes, and buy labels without leaving more Real-time shipping rates from UPS, USPS, FedEx, and Australia Post AI 3D bin packing: automatically fit items into your boxes Package and box management with dimensions and weight limits Order shipment view: see packed boxes and purchase labels Live rates for Shopify Grow, Advanced & Plus plan (Not available on Basic Plan)
Flat fee Shopify Apps
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Advanced Shipping Rules Calculator- Set rates by product, postcode, cart, dimension, distance, etc! A powerful advanced shipping rates calculator! Calculate shipping by product, zip or postal code, cart quantity, weight, subtotal, dimension, box size, distance, SKU, tags, vendors, collection, origin location/warehouse, dimensional weight, merge/combine rates & more! 25+ Parameters! Display shipping rates on cart. Integrate live carrier shipping rates - UPS, USPS, Fedex, DHL, Canada Post, Australia Post & Sendle. Bulk import shipping rules & rates using Excel. Display Free Shipping Bar! A powerful advanced shipping rates calculator! Calculate shipping by product, zip or postal code, cart quantity, weight, subtotal, dimension, box size, distance, SKU, tags, vendors, collection, origin location/warehouse, dimensional weight, merge/combine rates & more! 25+ Parameters! Display shipping rates on cart. Integrate live carrier shipping rates - UPS, USPS, Fedex, DHL, Canada Post, Australia Post & Sendle. Bulk import shipping rules & rates using Excel. Display Free Shipping Bar! more Set shipping rules & rates based on 25+ cart, product & location conditions. Customize shipping rates by ZIP & postcode, distance, tags, dimensions, vendors. Display rates on cart page! Promote free shipping rules w/ customizable widget. Bulk import, create & modify 1,000s of shipping rules at once using Excel. Calculate and display carrier shipping rates with conditions- UPS, USPS, etc.
Set advanced postcode shipping rates by ZIP code, product, cart, distance to control delivery cost. DS Shipping Rates Zip Distance you set advanced shipping rates using 25+ conditions like zipcode, postcode, pincode, product, vendor, tag, weight, quantity, subtotal, cart total, distance, and shipping zones. Show flat rate, surcharge, estimated, or live CCS shipping rates. Prevent double charges by blending rules. Block PO Box addresses, restrict postcodes, and create custom shipping logic. zipcode validator, carrier calculated shipping rates, pincode checker custom cart shipping rates apps. DS Shipping Rates Zip Distance you set advanced shipping rates using 25+ conditions like zipcode, postcode, pincode, product, vendor, tag, weight, quantity, subtotal, cart total, distance, and shipping zones. Show flat rate, surcharge, estimated, or live CCS shipping rates. Prevent double charges by blending rules. Block PO Box addresses, restrict postcodes, and create custom shipping logic. zipcode validator, carrier calculated shipping rates, pincode checker custom cart shipping rates apps. more FedEx, USPS, Canada Post, Aus Post, Shiprocket base third-party carrier rates. Customize shipping rules & rates by zip code, tags, vendor, weight, distance. shipping rates cost sets to calculate shipping by location, dimension, zipcodes Zipcode check, product-based custom shipping solutions, better shipping weight. Shipping estimates and advanced shipping rules based on weight, qty, distance.
Easily sell your products to LatAm. Access new customers and delight them with a local experience. e-CROSS allows merchants to carry out the international expansion to LatAm consumers via the Cross Border Direct To Consumer (DTC) business model on both, their own e-commerce and in multible marketplaces, providing a local shopping experience, tax calculation, shipping rates and a fluid logistic operation no matter where the inventory is located. e-CROSS allows merchants to carry out the international expansion to LatAm consumers via the Cross Border Direct To Consumer (DTC) business model on both, their own e-commerce and in multible marketplaces, providing a local shopping experience, tax calculation, shipping rates and a fluid logistic operation no matter where the inventory is located. more International freight calculation Multiple shipping options Tax calculation and details clearly displayed to the final consumer
Set accurate per-product shipping rates by country with bulk import/export and checkout control. Easy Shipping Rate Manager lets you set flat, per-product shipping rates for different countries. Avoid incorrect rates by customizing shipping costs for each item. Bulk import/export shipping data via CSV for easy updates. Ideal for merchants with varying shipping needs per product or region. The app calculates accurate shipping charges at checkout, ensuring fair costs and better control over shipping fees. Easy Shipping Rate Manager lets you set flat, per-product shipping rates for different countries. Avoid incorrect rates by customizing shipping costs for each item. Bulk import/export shipping data via CSV for easy updates. Ideal for merchants with varying shipping needs per product or region. The app calculates accurate shipping charges at checkout, ensuring fair costs and better control over shipping fees. more Set individual flat shipping rate for each product and Stop loosing money. Offer Order total based shipping rates to get lowest shipping rates. Beat the competition by offering shipping rates per Product or by Order Total
Your All-in-One Shipping Solution for Local & Global Deliveries – EasyParcel MY & SG Delight customers with the fastest, cheapest delivery options at checkout. EasyParcel's all-in-one app streamlines shipping with one-click fulfillment, saving you time and effort. Automate bulk shipments, reduce manual tasks, and track orders in real-time. With access to over 60 couriers, expand your business globally and focus on growth while we handle the logistics. Delight customers with the fastest, cheapest delivery options at checkout. EasyParcel's all-in-one app streamlines shipping with one-click fulfillment, saving you time and effort. Automate bulk shipments, reduce manual tasks, and track orders in real-time. With access to over 60 couriers, expand your business globally and focus on growth while we handle the logistics. more One-Click Bulk Fulfillment – Fulfill single or bulk orders with just one click. Live Rate at Checkout – Get real-time shipping rates for checkout price. Auto-generate Bulk Shipping Labels - Create multiple labels in one easy step. Partial Order Fulfillment - Ship available items now, and send the rest later. Auto Tracking Number Notification - Notify customers via SMS, WhatsApp or email.
Discounted shipping rates, labels, tracking, duties & returns. Show rates, tax & duties at checkout Spend less on shipping, protect your margin and get hours back daily. That’s the Easyship promise. Easyship helps Shopify merchants cut shipping costs with exclusive discounts, fulfillment automation, AI insights and smart box selection. Grow your sales and reduce cart abandonment with transparent, live rates and tax & duties at checkout. Instantly compare the cheapest rates, fastest delivery times, and best global couriers with DDP & DDU. Manage orders, tracking and returns—all in one dashboard Spend less on shipping, protect your margin and get hours back daily. That’s the Easyship promise. Easyship helps Shopify merchants cut shipping costs with exclusive discounts, fulfillment automation, AI insights and smart box selection. Grow your sales and reduce cart abandonment with transparent, live rates and tax & duties at checkout. Instantly compare the cheapest rates, fastest delivery times, and best global couriers with DDP & DDU. Manage orders, tracking and returns—all in one dashboard more Discounts: Ship with the lowest rates on UPS, FedEx, DHL, USPS & hundreds more Carriers: Compare 550+ services across the US, Canada, UK, EU, Australia & Asia Automation: Fulfill faster with one-click batch label printing & shipping rules Fulfillment: Generate labels, tracking, returns & insurance with 24/7 support Checkout: Add calculated rates, tax & duties at checkout to boost sales & AOV
Fully control Shipping Rates and Estimated Delivery Dates (EDD) at Checkout and Product Pages (PDP) The all-in-one app for Shipping Options, Rates, and Delivery Dates that grows revenue and cuts costs. It drives more sales by displaying Amazon-style delivery promises across Checkout, Cart, and Product Pages,giving customers the confidence to buy. At the same time, Decimal reduces costs through its Least-Cost Shipping Method Arbitrage technology, automatically selecting the most profitable carrier option for every order. In short: more conversions, lower shipping spend, zero extra effort. The all-in-one app for Shipping Options, Rates, and Delivery Dates that grows revenue and cuts costs. It drives more sales by displaying Amazon-style delivery promises across Checkout, Cart, and Product Pages,giving customers the confidence to buy. At the same time, Decimal reduces costs through its Least-Cost Shipping Method Arbitrage technology, automatically selecting the most profitable carrier option for every order. In short: more conversions, lower shipping spend, zero extra effort. more Customize Shipping Rates/Options at Checkout with EDD (Estimated Delivery Dates) Rate-Shopping technology uses Delivery Dates to predict Least-Cost Service Test your Rules and EDD in-app; eliminate inconvenience of testing on live store NEW: A/B Test any shipping rule or its EDD to maximize conversions and profits NEW: Match Delivery Dates on Product Detail Pages with Checkout to boost sales!
Calculate shipping rates by commune, weight and delivery time (exclusive Chile). Manage quickly and easily all your shipping rates within Chile by uploading up to 3 of your own rates in bulk by commune, weight and delivery time. Program your own shipping rules against a specific region or commune, ideal for special events like CyberDay or BlackFriday. Connect with Envíame's rates and all its carriers automatically or activate preloaded rates in case you don't upload your own. There are many stores in Chile calculating their shipping rates correctly thanks to this app! Manage quickly and easily all your shipping rates within Chile by uploading up to 3 of your own rates in bulk by commune, weight and delivery time. Program your own shipping rules against a specific region or commune, ideal for special events like CyberDay or BlackFriday. Connect with Envíame's rates and all its carriers automatically or activate preloaded rates in case you don't upload your own. There are many stores in Chile calculating their shipping rates correctly thanks to this app! more Configure up to 3 customized rates by commune, weight and delivery time. Bulk upload all your rates avoiding manual entry. Program your own shipping rules against a specific region or commune. Automatically integrate with Envíame's rates and all its carriers. Allow your customers to calculate the shipping value in the cart.
Get ACCURATE shipping rates. Works with almost any carrier, UPS,FedEx,USPS, &more - Custom Rules... Precision shipping rate calculations at checkout ensure customers are charged accurately based on item dimensions, weights, and multiple parameters. Features include multi-box shipments, flat rates, and real-time rates from nearly any carrier worldwide. Offer free shipping, origin-specific rates, and delivery estimates—all customizable. eShipRate even determines how items fit in boxes for flat-rate options like UPS Simple Rate and FedEx One Rate—and that’s just the beginning. eShipRate.com Precision shipping rate calculations at checkout ensure customers are charged accurately based on item dimensions, weights, and multiple parameters. Features include multi-box shipments, flat rates, and real-time rates from nearly any carrier worldwide. Offer free shipping, origin-specific rates, and delivery estimates—all customizable. eShipRate even determines how items fit in boxes for flat-rate options like UPS Simple Rate and FedEx One Rate—and that’s just the beginning. eShipRate.com more Origin-based shipping for each item. Multiple origins for same item coming soon Flat ship rates for individual items with discount for quantity. Will it fit? Knows if items will fit in box. Divides into multiple boxes if not. Splits orders into multiple shipments to stay below carrier's weight surcharge. Limit number of specific items in a box (lithium batteries, liquids, etc)
Master Shipping Heavy Items Online with Precision, Flexibility, and Automation. Fare Freight helps businesses master shipping from A to Z. all within one easy-to-use app. Connects multiple carrier and broker APIs into a single platform, Set detailed product attribute like dimensions and weights, configure custom shipping rules, and show customers the best and lowest live shipping rates at checkout. Create and manage shipments directly within the app. Simplifying the entire shipping process from start to finish. Fare Freight helps businesses master shipping from A to Z. all within one easy-to-use app. Connects multiple carrier and broker APIs into a single platform, Set detailed product attribute like dimensions and weights, configure custom shipping rules, and show customers the best and lowest live shipping rates at checkout. Create and manage shipments directly within the app. Simplifying the entire shipping process from start to finish. more Seamless Integration: Connects with your shipping providers in seconds. Live, Accurate Rate Calculation: Offers real-time shipping rates. Automated Package Handling: Supports various package types and dimensions. Automates and simplifies the shipping process to minimize errors. Auto Fulfilment within Shopify Admin Page. Generate Shipping Label and manifest
Show customers exactly when their order arrives in Checkout. Reduce cart abandonment by over 40%. Accurate delivery dates on your product page and checkout, powered by machine learning trained on 400M+ shipment events. Customers don't buy when they don't know when it arrives. FenixCommerce replaces vague "5-7 business days" with a specific date — "Arrives Thursday, June 5" — and gets it right every time. FenixCommerce is used by brands like VUORI, KUIU, Steve Madden, Dermalogica, K18 Hair, TravelPro to optimize their checkout and convert shipping into a profit center from a cost center. Accurate delivery dates on your product page and checkout, powered by machine learning trained on 400M+ shipment events. Customers don't buy when they don't know when it arrives. FenixCommerce replaces vague "5-7 business days" with a specific date — "Arrives Thursday, June 5" — and gets it right every time. FenixCommerce is used by brands like VUORI, KUIU, Steve Madden, Dermalogica, K18 Hair, TravelPro to optimize their checkout and convert shipping into a profit center from a cost center. more Increase conversion — customers buy more when they see a confident delivery date Reduce cart abandonment, increase shipping revenue, and cut support costs. Live in under 10 minutes, no developer needed, works with your existing shipping
Save time and money on shipping! Provide instant and accurate shipping rates to your customers. Connect your Shopify store directly to FlagShip’s online shipping system with the FlagShip app. You'll enjoy discounted rates from top couriers like Purolator, UPS, FedEx, DHL, Canpar, and GLS. Say goodbye to manual shipping processes. Our app automates shipping tasks, so you can focus on growing your business. Accurate shipping quotes and instant processing ensure a smooth customer experience, leading to increased sales and customer satisfaction. Connect your Shopify store directly to FlagShip’s online shipping system with the FlagShip app. You'll enjoy discounted rates from top couriers like Purolator, UPS, FedEx, DHL, Canpar, and GLS. Say goodbye to manual shipping processes. Our app automates shipping tasks, so you can focus on growing your business. Accurate shipping quotes and instant processing ensure a smooth customer experience, leading to increased sales and customer satisfaction. more It's easy to connect your store to the FlagShip App. Ready in just a few clicks! Live shipping rates for better cost control. You can process shipments instantly, print shipping labels - right from the app! Instant discounted shipping rates from trusted couriers encourage purchase. Professional, reliable shipping makes your customers happy.
AI-native Cross-Border Commerce platform to power international growth, without complexity. Your international customers deserve the same experience as domestic ones. FlavorCloud provides market intelligence to tap into each market, pricing localization, compliance automation, supply chain decisions, and multi-carrier logistics—so merchants can confidently expand into new markets without rebuilding their stack. Focus on growth. We handle the complexity. Human onboarding and on-going growth support Monday–Friday, 9a–6p ET. Your international customers deserve the same experience as domestic ones. FlavorCloud provides market intelligence to tap into each market, pricing localization, compliance automation, supply chain decisions, and multi-carrier logistics—so merchants can confidently expand into new markets without rebuilding their stack. Focus on growth. We handle the complexity. Human onboarding and on-going growth support Monday–Friday, 9a–6p ET. more Full-funnel pricing optimized by SKU/market. Convert like domestic, everywhere Guranteed DDP - customs, duties, taxes & fees. Predictable & profitable growth. Local fulfillment analysis plus B2B & DTC network. Scale without ops overhead. Intelligent routing. Fastest, cheapest option per shipment. Compliance built in. Growth Intelligence dashboards. Fine tune with recommendations & auto-pilot.
Conditional free shipping discounts: by rate name, customer tag, cart total, product or country Create free or percentage-based shipping discounts with advanced conditions. Target specific shipping rate names (e.g. "Standard", "Express"), customer tags (e.g. ALWAYS_FREE, VIP, WHOLESALE), cart total, quantity, product, collection, or country. Supports automatic discounts and manual discount codes. Compatible with multi-origin, multi-location, and split shipping. Hide or discount specific shipping methods at checkout. No coding needed. Create free or percentage-based shipping discounts with advanced conditions. Target specific shipping rate names (e.g. "Standard", "Express"), customer tags (e.g. ALWAYS_FREE, VIP, WHOLESALE), cart total, quantity, product, collection, or country. Supports automatic discounts and manual discount codes. Compatible with multi-origin, multi-location, and split shipping. Hide or discount specific shipping methods at checkout. No coding needed. more Free shipping by rate name: target "Standard", "Express" and more Discount shipping by customer tag, segment, or VIP/wholesale status Conditions: cart total, quantity, product, collection, weight, country Automatic & code-based discounts Multi-location, split shipping, Shopify Markets & POS compatible
Boost your store’s conversion with smart, simple, and affordable shipping Centralize your entire shipping operation on a single platform with robust technology, easy integration, and a complete set of features to help you sell more and deliver faster. With the Frenet app, you can connect your store to Brazil’s leading carriers and offer shipping up to 90% cheaper, with automatic rate calculation at checkout, label printing, auto-tracking, custom rules, and much more, all in one place. Centralize your entire shipping operation on a single platform with robust technology, easy integration, and a complete set of features to help you sell more and deliver faster. With the Frenet app, you can connect your store to Brazil’s leading carriers and offer shipping up to 90% cheaper, with automatic rate calculation at checkout, label printing, auto-tracking, custom rules, and much more, all in one place. more More affordable shipping with PAC, SEDEX and several carriers SOS Shipping Protection for coverage against theft, loss, and damage. Reverse logistics, automatic tracking, and custom shipping rules. Automatic shipping cost calculation at checkout and carrier integrations. Register individual product dimensions for accurate shipping calculations.
Calcule o frete por CEP na página do produto e carrinho. Exiba valor e prazo antes do checkout. Adicione o cálculo de frete por CEP diretamente na página do produto e no carrinho da sua loja. Exiba o valor do frete e o prazo de entrega antes do checkout para ajudar os clientes durante a compra. O app calcula o frete com base no peso, nas dimensões e nas variantes do produto. Integre Correios, Melhor Envio, SuperFrete, Frenet, Loggi, FreteRápido, Intelipost, MandaBem, Olist Envios, SmartEnvios e Loggi para exibir estimativas de frete e prazo de entrega em tempo real. Adicione o cálculo de frete por CEP diretamente na página do produto e no carrinho da sua loja. Exiba o valor do frete e o prazo de entrega antes do checkout para ajudar os clientes durante a compra. O app calcula o frete com base no peso, nas dimensões e nas variantes do produto. Integre Correios, Melhor Envio, SuperFrete, Frenet, Loggi, FreteRápido, Intelipost, MandaBem, Olist Envios, SmartEnvios e Loggi para exibir estimativas de frete e prazo de entrega em tempo real. more Cálculo de frete por CEP na página do produto e carrinho Frete em tempo real usando peso, dimensões e variantes Exiba valor e prazo de entrega antes do checkout Integração com Correios, Melhor Envio e outras transportadoras Regras para frete grátis, taxas extras e personalização visual
Address validated shipping options with rules based on cart value, product size and delivery area. Setting shipping options for your shopper's checkout can be a complex and hard task. We're here to help. We take care of managing the shipping zones for you. You simply select the zone and set your rules. This App requires Carrier Calculated Shipping (CCS) to be enabled on your store (CCS is not handled by GoSweetSpot). Setting shipping options for your shopper's checkout can be a complex and hard task. We're here to help. We take care of managing the shipping zones for you. You simply select the zone and set your rules. This App requires Carrier Calculated Shipping (CCS) to be enabled on your store (CCS is not handled by GoSweetSpot). more Shipping options with rules based on cart value, product size and delivery area Addresses are validated and surcharges (e.g. Rural) can be applied automatically Set shipping charge based on your existing courier pricing Requires Carrier Calculated Shipping and a GoSweetSpot Account
Multi Shipping Rates: Weight, Price, Volumetric & Currency Rules Show the right rate every time—set shipping by weight, cart value, volumetric weight, currency, zones, and more. Works with multiple carriers and complex country rules Boost conversions and customer trust! Works with: Shopify Markets, multiple profiles, multiple carriers, rate prioritisation Show the right rate every time—set shipping by weight, cart value, volumetric weight, currency, zones, and more. Works with multiple carriers and complex country rules Boost conversions and customer trust! Works with: Shopify Markets, multiple profiles, multiple carriers, rate prioritisation more Weight / price / volumetric rates with priority and fallbacks Country / zone & currency-specific rules (great for Markets) Combine, cap, or hide rates to prevent checkout surprises
Set accurate courier rates, apply shipping discounts, and define international flat-rate zones. Indokir enables Shopify merchants in Indonesia to show real-time shipping rates from major local couriers like JNE, SiCepat, Anteraja, J&T, TIKI, POS, RPX, Lion Parcel, etc at checkout. Features include shipping discounts with or without minimum spend, unique code additions to shipping fees for easier bank transfer tracking, and flexible flat-rate options for international shipping by country and province. Streamline your logistics and boost checkout clarity. Indokir enables Shopify merchants in Indonesia to show real-time shipping rates from major local couriers like JNE, SiCepat, Anteraja, J&T, TIKI, POS, RPX, Lion Parcel, etc at checkout. Features include shipping discounts with or without minimum spend, unique code additions to shipping fees for easier bank transfer tracking, and flexible flat-rate options for international shipping by country and province. Streamline your logistics and boost checkout clarity. more Accurate Shipping Rates Discount Shipping rates Rules discount shipping rates with minimum purchase Unique codes in shipping rates Flexible flat-rate options for international shipping by country and province
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About Flat fee Apps for Shopify
Flat fee apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.
When choosing a flat fee app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.
The apps listed on this page represent some of the best flat fee solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.