BlockCart: Order Limits & MOQ vs ExtStore Checkout Rules
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026 for BlockCart, Nov 6, 2026 for ExtStore Checkout Rules.
The short answer
- Only ExtStore Checkout Rules lists a free plan.
- BlockCart lists 8 features ExtStore Checkout Rules’s listing doesn’t mention, including Collection-specific, Discount-based, Payment methods.
Head to head
Free
- · 1 checkout rule
- · Email support
- · Test rules on sample carts
- · Visual rule builder
Pro
- · Expression mode for advanced logic
- · Priority email support
- · Product metafield conditions
- · Test rules on sample carts
- · Up to 25 checkout rules
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSet order limits that Shopify checkout enforces. Add a minimum order quantity (MOQ), maximum quantity, minimum order amount or minimum cart value for any product, variant, collection or the whole cart. Apply quantity limits only to some buyers: by customer tag, B2B company, country, ZIP code or login status. Combine AND/OR conditions in one rule. Also block PO boxes and set ZIP code restrictions.
Checkout Rules stops orders you can't or won't fulfil before they're placed. Pick one of 24 templates, such as an order minimum, a quantity cap or a delivery-country list, adjust it, and test it on carts built around its own limits. Each rule reads back in plain English and runs on cart changes, at checkout or both. Shoppers who break a rule see your message and can fix their cart.
- Block or validate orders with multiple checkout rules.
- Display warnings and messages on product pages, cart pages, and during checkout.
- Import & Export to move rules between stores.
- Block carts on subtotal, quantity, SKU, product type, tags or delivery country
- 24 ready-made templates in five categories, all adjustable before saving
- Choose whether each rule checks cart changes, checkout, or both
- Test on carts built around each rule's limits before shoppers see it
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  BlockCart | |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | BlockCart | |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | BlockCart | |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $9.99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | Not published | 2 |
Listing
| Measure | BlockCart | |
|---|---|---|
| Shopify category rank | #50 | Not enough data |
| Shopify App Charts | #2 on Pricing moves in Order limits | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 22, 2026 | Nov 6, 2026 |
| Languages | 1 | 1 |
| Developer | Disco Merchant | ExtStore |
FAQ
BlockCart and ExtStore Checkout Rules: common questions
- Is BlockCart or ExtStore Checkout Rules cheaper?
- Only ExtStore Checkout Rules lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- BlockCart lists 8 the others don’t mention, such as Collection-specific, Discount-based, Payment methods, Product page alerts. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 4, 2026 for BlockCart, Nov 6, 2026 for ExtStore Checkout Rules; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 4, 2026 for BlockCart, Nov 6, 2026 for ExtStore Checkout Rules. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.