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Best Delivery Customizations powered by Functions Shopify apps in 2027 [Updated]
PickYourApp Review Team
6 min read
•
Aug 21, 2026
The best Shopify delivery customization apps powered by Functions let merchants take full control of their shipping and pickup options. From scheduling local deliveries and managing pickup points to customizing checkout rules and shipping rates, these apps provide essential tools for modern e-commerce operations. Merchants can set delivery dates, hide irrelevant shipping methods, add COD fees, and create conditional rules - all while maintaining a smooth checkout experience for their customers.
| Name | Rate on Shopify | Price | Free trial | Key features |
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#1. Validate checkout, add payment, shipping & discount rules, checkout blocks & post-purchase upsells
SMART Checkout Rules & Upsells gives merchants complete control over their checkout experience with flexible validation rules and customization options. Hide, block, sort, or rename payment methods and shipping options based on conditions like customer tags, country, cart value, products, or discount codes. Perfect for managing high-risk orders, blocking COD or specific payment methods like PayPal and Credit Card by customer criteria. Grow your average order value with one-click post-purchase upsells and downsells that appear after checkout. Add checkout blocks including banners and discount codes with conditional display rules. Apply checkout validation and discount logic based on cart total, customer tags, or delivery method. Ideal for B2B stores, international shipping flows, and merchants who need advanced checkout control without coding. Control your checkout rules and increase conversions with smarter upsell strategies. -
#2. Custom shipping rates & rules: weight, dimensions, postcode, product. Hide, sort, rename at checkout
This app lets you create custom shipping rates based on weight, dimensions, volumetric weight, volume, cart total, quantity, zip code, date and product. Set up free shipping, flat rates, or tiered pricing with per-unit increments and percentage-based calculations. Configure shipping zones targeting specific countries and postal codes. Hide, sort and rename delivery methods at checkout using 20+ conditions including customer tags, location and product filters. Rate blending combines multiple rates automatically. Import and export settings via CSV. Activity log tracks all changes. No Checkout Customization Scripts needed for delivery customizations—uses Carrier Service for calculated shipping rates. -
#3. Schedule store pickup, click & collect, local delivery & shipping with calendar date picker.
Bird is a calendar date picker app built for Shopify that handles store pickup, click & collect, local delivery and shipping. Customers can schedule orders at checkout and POS using time slots with blackout dates, cut-off times, prep times and order limits. The app supports multi-condition delivery rates based on zone, postcode, weight, cart value or rush options. Manage BOPIS and multi-location pickup with inventory-aware routing. Features include auto-tagging, customer rescheduling, Google Calendar sync, email and SMS notifications, plus REST API access. Works seamlessly with Shopify POS, Recharge and Stuart. Available in over 90 languages with timezone-aware delivery dates for accurate scheduling across all locations. -
#4. Show delivery time & estimated delivery date (EDD/ETA), boost checkout with AI urgency messages
Synctrack® Estimated Delivery Date Plus displays delivery time and estimated delivery date (EDD/ETA) information including dispatch date, shipping date, and order delivery date on your store. This shipping estimator shows animated estimated shipping dates across product pages, cart, checkout, thank you pages, order status page, and order emails. Set delivery dates based on shipping method, zipcode, or country. Configure estimated delivery dates for specific products, collections, or vendors. Customize cut-off times, holidays, and countdown timers to display order deadlines. Show shipping protection and expected order delivery dates at checkout. Stores with clear delivery date information receive fewer support requests and see improved sales conversion rates. -
#5. Bundle Deals & Discounts: BOGO, Buy X Get Y, Volume, Tiered Pricing & Quantity Breaks to Boost AOV
SMART Bundles Volume Discounts helps you increase average order value with automatic discounts and bundle deals that work seamlessly at checkout. Create product bundles, BOGO offers, Buy X Get Y promotions, volume discounts, quantity breaks, and tiered pricing based on products, collections, variants, customer tags, or cart value. The app supports both automatic discounts and discount codes, letting you run multiple promotions simultaneously without conflicts. Shoppers see their savings displayed clearly in the cart drawer and at checkout, creating a transparent discount experience that reduces cart abandonment. Set up mix and match bundles, bundle deals, and code-based promotions with no coding required. -
#6. Checkout rules and checkout to power checkout customizer an boost your checkout conversion rate.
Blockify Checkout Customizer helps you set up checkout rules and customize your checkout page to increase conversion rates. This app lets you validate carts and addresses, enforce order limits, and manage payment and shipping options with ease. Hide, reorder, or rename checkout elements to reduce customer confusion and create a smoother experience. Use checkout rules to prevent spam and risky orders while protecting your revenue. The app includes post-purchase upsell blocks to lift your average order value. Perfect for both B2C and B2B stores, Blockify offers checkout extensibility functions that let you tailor discounts, payment methods, and shipping rules to match your business needs. Customize your checkout form and apply refined rules to control the entire checkout experience and stop fake orders before they happen. -
#7. Customize checkout using powerful checkout rules to streamline and boost checkout conversion.
Customize your Shopify checkout experience with flexible checkout rules that help increase conversions. Control how shipping and payment methods appear based on specific conditions like cart total, weight, product tags, or customer location. Show, hide, rename or reorder checkout options to match your business needs. Set default shipping methods, restrict PO Box deliveries, manage express payment buttons, and apply targeted discounts. Create a smoother checkout flow by displaying only relevant options to each customer. Perfect for merchants who want to optimize their checkout process while improving customer satisfaction. -
#8. Set COD fees & rules. Collect Partial, Split & Deposit Payments. Verify COD Orders with WhatsApp OTP
Releasit COD Fee helps you manage Cash on Delivery payments by adding COD fees or discounts based on conditions like country, product, collection, customer group, or order value. The app includes WhatsApp OTP verification to confirm orders before checkout, helping you block fake COD orders, reduce fraud, and lower RTO rates and failed deliveries. Accept partial payments, split payments, or deposit payments upfront with fixed or percentage amounts. Track each payment by date, method, and amount while showing customers their paid and due balances. Set conditional rules to enable or disable COD options based on your business needs. The app supports multilingual checkout text and offers fast setup to start collecting COD payments securely. -
#9. Local delivery & Store pickup with scheduling, Date Picker, tracking, AI route optimizer
Run your local delivery and store pickup workflow directly inside Shopify. This app unifies pickup and delivery date scheduling with an AI route planner and advanced route optimizer for efficient last-mile delivery. Configure delivery slots with cut-offs, prep times, blackout days, and per-slot limits to match your operations. The route optimizer automatically plans optimal driver routes with ETAs and real-time order tracking. Send branded tracking links, SMS and email delivery notifications to keep customers informed. Capture proof of delivery through photos, e-signatures, and customer feedback. Works seamlessly with Shopify Admin, POS, Bold, and Recharge. Includes a driver app with barcode scanning, Zapier integration, and automated route workflows to manage your entire local delivery operation. -
#10. Create advanced functions for discounts, payments, delivery, and cart & checkout validations.
Create advanced Shopify Functions for discounts, payments, delivery, and checkout validations without coding. This app helps you build tiered discounts, BOGO functions, bundles, volume discounts, payment customizations, and delivery customizations using a simple no-code function creator. Perfect for migrating Shopify Scripts to Functions in just a few clicks. Works on all Shopify plans - no Plus plan required. Build custom discounts, flexible promos, and checkout rules with an easy script editor alternative. Control your checkout, apply bulk discounts, and automate offers. A complete Shopify Scripts replacement solution with active maintenance to help you create cart and checkout validations, discount functions, and payment rules.
