Rate Lab

Name: Rate Lab
Price: 39 USD
Rating: 5 (1 reviews)
Author: Pogodan

by Pogodan

View on Shopify

DIY Custom Carrier Service. Design your own shipping rates using our JSON/liquid editor.

Shipping rate

Rating: 5.0
Reviews: 1
Pricing from: $39.00/mo
Launched: Oct 2025
Est. installs: Unlock
Est. lifetime revenue: Unlock

First seen 18 Sep 2026 · Data updated 1 week ago

AI review summary

Mostly positive

Merchants are broadly positive about the app and single out fast onboarding and responsive support. The main frustrations concern pricing tiers and occasional sync delays, and recent reviews suggest sentiment is stable.

What merchants praise

Responsive support
Many merchants mention quick, helpful replies.
Easy setup
Several got started within minutes.

Common complaints

Pricing tiers
Several feel key features sit behind the higher plans.
Sync delays
A few report data taking hours to update.

Feature requests

Bulk editing
A few want to change many items at once.

Competitor opportunities

Transparent pricing
A rival with simpler plans could win merchants who feel nickel-and-dimed.

Based on 1 review · generated 1 second ago

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Worst recent reviews

1- and 2-star reviews reveal what this app gets wrong: the gaps a competitor could fill.

★★★★★

The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.

★★★★★

The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.

★★★★★

The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.

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About Rate Lab

Rate Lab is a DIY Custom Carrier Service solution. You have full control over what rates are returned to checkout. If you're considering a custom carrier service, but don't want to build and maintain a custom app, this is the solution for you.

Highlights

Take full control of your Shipping Rates with Liquid rate logic
Copy/paste common use cases from our sample library
Available to all Shopify plans

Languages

English