The best Shopify shipping calculator apps
To show shipping before checkout, ShipCalc covers the most: product pages, carts, and cart drawers, a postcode-only lookup, and quote analytics. OCT and CBB are cheaper if you need less.
| Feature | ShipCalc | OCT | CBB | Dr Cart | Parcelify |
|---|---|---|---|---|---|
| Product page | Not listed | Not listed | Not listed | ||
| Cart page | |||||
| Cart drawer | Not listed | Not listed | |||
| Postcode only, no address form | Uses geolocation and address fields | Uses ZIP and geolocation | Asks for province and postal code | Not listed | |
| Uses your Shopify rates as-is | Not listed | You build rate rules in the app | |||
| Quote analytics | Not listed | Not listed | Not listed | Not listed | |
| GA4, GTM & Meta events | Not listed | Not listed | Not listed | Not listed | |
| Custom CSS | Not listed | Not listed | |||
| 14-day free trial | 7 days |
✓ = listed on the app's public Shopify App Store listing. ✗ No = the listing shows it works differently. ✗ Not listed = the listing doesn't mention it. Checked . ShipCalc publishes this guide.
ShipCalc Product Page RatesOur app
Shows the Shopify rates a store already uses on product pages, cart pages, and compatible cart drawers before checkout.
Best for: Merchants who want earlier rate visibility without duplicating shipping logic
- $9.99/month
- Trial: 14 days
- ★ 5.0 (1 review)
OCT Shipping Rates Calculator
Displays shipping methods and costs on product and cart pages, with geolocation, translation, and multi-currency support.
Best for: Stores prioritising a lower price and multilingual storefront controls
- $6.99/month
- Trial: 7 days
- ★ 4.5 (22 reviews)
CBB Shipping Rates Calculator
Shows real-time shipping estimates in the cart and includes geolocation and a configurable free-shipping progress bar.
Best for: Merchants focused on a low-cost in-cart calculator and free-shipping prompt
- $4.99/month
- Trial: 14 days
- ★ 4.7 (237 reviews)
Dr Cart Shipping Rates & Rules
Combines an in-cart shipping estimator and free-shipping bar with higher-tier custom rate and carrier logic.
Best for: Merchants wanting cart estimates now and rule-building options later
- From $3.99/month
- Trial: 14 days
- ★ 5.0 (68 reviews)
Parcelify: Shipping Rates
Builds product, zone, postcode, and blended rates and includes a shipping rate calculator for the cart page.
Best for: Stores that need custom rate creation and a cart-page calculator in one app
- $19.99/month
- Trial: 14 days
- ★ 4.8 (179 reviews)
Need to change how rates are calculated? Rate-rule apps
These apps build or change the rates checkout returns. They don’t show rates on product pages. Some stores use one of these with ShipCalc.
SMART Shipping Rates & Rules
Creates and customises checkout rates using product, weight, quantity, postcode, dimension, and other conditions.
Best for: Stores that need to create or manipulate complex checkout rate logic
- From $9.99/month
- Trial: 7 days
- ★ 5.0 (425 reviews)
ShipX — Shipping Rates & Rules
Creates custom rates using cart, item, origin, distance, dimension, postcode, and packaging conditions.
Best for: Stores with complex rate creation, packing, carrier, or multi-origin requirements
- From $9.99/month live
- Trial: 14 days; free testing mode
- ★ 5.0 (1,237 reviews)
Intuitive Shipping
Builds granular checkout rates, packaging logic, conditions, delivery options, and carrier-connected calculations.
Best for: Larger or operationally complex stores that need hands-on checkout-rate configuration
- From $70/month live
- Trial: 15 days in live mode; free sandbox
- ★ 4.9 (486 reviews)
Advanced Shipping Rules
Creates product-group, blended, postal-code, and carrier rate rules with tiered plans for different levels of complexity.
Best for: Merchants who need configurable checkout logic organised around product groups
- From $9/month
- Trial: 7 days in live mode; unlimited test mode
- ★ 4.8 (321 reviews)
If shoppers can't see shipping until checkout, try ShipCalc.
Questions first? Talk to us.
- 14-day free trial
- No theme code