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Best Delivery Customizations powered by Functions Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
Jun 02, 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. 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. -
#3. Show delivery time & estimated delivery date (EDD/ETA), boost checkout with AI urgency messages
Synctrack® Estimated Delivery Date helps you display estimated delivery dates (EDD/ETA) with timeline graphics on your store. Show delivery time, shipping dates, and order delivery dates across product pages, cart, checkout, thank you pages, order status, and order emails. The shipping estimator lets you set delivery dates based on shipping method, zipcode, or country. Configure estimated delivery dates for specific products, collections, or vendors. Add cut-off times, holidays, and countdown timers to create urgency around order deadlines. Display expected delivery dates and shipping protection information throughout the customer journey. Stores with clear delivery date expectations see fewer support requests and higher sales conversion rates. -
#4. 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. -
#5. 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. -
#6. Set COD fees & rules. Collect Partial, Split & Deposit Payments. Verify COD Orders with WhatsApp OTP
Releasit COD Fee & Partial Pay helps you manage Cash on Delivery orders with flexible fees, payment options, and fraud prevention. Add COD fees or discounts based on country, product, collection, customer group, or order value to encourage prepaid orders. Accept partial payments, split payments, or deposit payments upfront using fixed or percentage amounts. Reduce fake orders and failed deliveries with WhatsApp OTP verification that confirms customer intent before checkout. Track all payments with detailed records showing paid and due balances by date, method, and amount. Set conditional rules to enable or disable COD based on your business needs. The app supports multilingual checkout text and offers fast setup to start securing your COD orders right away. -
#7. 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. -
#8. Custom shipping rates & rules by weight, postcode, product: hide, sort & rename at checkout
This app lets you set custom shipping rates based on weight, cart total, quantity, zip code, and product details. Create shipping zones targeting specific countries and postal codes. Choose from tiered pricing, per-unit increments, or percentage-based calculations to match your business needs. Hide, sort, and rename delivery methods at checkout using over 15 conditions including customer tags, location, and products in cart. Rate blending combines multiple shipping rates into one clean option for customers. Shipping zones support country, province, and postal code targeting for precise control. No need for Checkout Customization Scripts for delivery customizations. Carrier Service is required only for calculated rates. Perfect for stores needing flexible shipping rules and checkout delivery method management. -
#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. Charge custom fees for COD, link COD payment to shipping, or hide COD based on set conditions.
ACOD Cash on Delivery helps merchants manage their COD payment options with precision and flexibility. Set custom fees for cash on delivery orders and connect COD payments to specific shipping methods of your choice. You can show or hide the COD payment option based on various conditions like shipping destination. This practical app gives you complete control over when and how customers can use cash on delivery, making COD management straightforward and organized. Perfect for businesses looking to offer cash on delivery while maintaining control over their payment settings and customer experience.
