Shopify app
NewCheckmate ‑ checkout validator
Create validations for cart and checkout ensuring transparency
- Rating on Shopify
- No ratings yet
- Reviews
- 0
- Developer
- Smith Street Lab LLC
- Launched
- May 24, 2024
- Pricing
- Free plan available. Free trial available.
- Languages
- English
The facts
Every value below is read from the listing or computed by the published formula. Nothing is a verdict.
Bayesian rating
n/a
category median 4.54
Reviews in the last 180 days
n/a
no dated reviews collected
1 and 2 star share
n/a
no rating distribution
Starting price
$3.99/month
band: Under $10 · 7-day trial
Pricing plans as listed on Shopify
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days. See all pricing options
| Plan | Price | Billed yearly | Trial | Usage fee | Included |
|---|---|---|---|---|---|
| Free | Free | not offered | none | none stated | Limited checkout validation Rules; Mix and match multiple conditions; Validate discounts; Target all markets; Validate shipping address; and more |
| Basic | $3.99/month | not offered | 7 days | none stated | Mix and match multiple conditions; Validate cart items; Target specific markets; Validate shipping address; and many more |
| Shopify | $4.99/month | not offered | 7 days | none stated | Mix and match multiple conditions; Validate cart items; Target specific markets; Validate shipping address; and many more |
| Advanced | $5.99/month | not offered | 7 days | none stated | Mix and match multiple conditions; Validate cart items; Target specific markets; Validate shipping address; and many more |
Features Shopify lists for this app
Feature handles from the listing, grouped as Shopify groups them.
Limit rules
- Cart-based
- Max quantity
- Min quantity
- Time-based
- Weight-based
- Price-based
- Discount-based
- Product-specific
- Variant-specific
- Collection-specific
- Purchase frequency
- Customer tags
- Geolocation
- Payment methods
- Shipping methods
Notification settings
- Cart alerts
- Checkout alerts
- Product page alerts
- Pop-ups
- Custom branding
- Custom messages
- Multi-language
- Translation
Works with
Third-party integrations link to their hub when 5 or more apps name them. Shopify's own surfaces are listed separately and never counted as integrations.
- Cart Drawers
- Subscriptions or selling plans
- Validation Functions
Shopify surfaces: Checkout, Shopify Admin
Data access
As disclosed on the listing. Never scored.
View customer data
Sensitive data
- Sensitive data: Name, email address, phone number, physical address
View staff and contributor data
Store owner
- Store owner: Name, email address, phone number, physical address
View and edit store data
Customers, products, Shopify Functions
- View customers: Customer data
- View products: Products, collections
- Edit Shopify Functions: Cart and checkout validations
- Edit other data: Shopify Markets settings
Developer
Smith Street Lab LLC
- Apps in the dataset:
- 5
- Address:
- 550 Smith Street, Farmingdale, NY, 11735, US
- Website:
- not stated
- Support email domain:
- smithstreetlab.com
- English support:
- yes
- Resources:
- Privacy policy
Similar apps
Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.
Blockify Checkout Customizer
4.9(309) · listed as similar by Shopify
Yuko Minimum Order Quantity
4.9(189) · listed as similar by Shopify
Melon Minimum Order Quantity
5.0(390) · listed as similar by Shopify
Ultimate Checkout Rules
No ratings yet · shares 100% of feature handles
MinCart ‑ Order limits
4.9(69) · shares 83% of feature handles
Cart Block: checkout validator
4.6(24) · shares 83% of feature handles
From the Shopify listingDeveloper claims, shown verbatim and collapsed. 78 words.Show
- Restrict purchases based on cart total or quantity or 20+ other conditions
- Display clear error messages when the validations fails so customers are aware
- Protection from fraudulent orders and transactions with transparency
- No coding required, just plug and play support for all rules.
- Multiple rules can work together opening up the countless possibilities
Checkmate helps you craft regulations guaranteeing every purchase aligns with your specifications
Checkmate Pro allows stores to set conditions for cart and checkout validations without having to use any custom code. Using Checkmate Pro, Shopify stores can set maximum discount values, limit quantities per cart, set custom error messages and much more. Checkmate Pro has a variety of conditions that can be used to validate your cart and checkout requirements in a plug-and-play, no-code, easy to use application.
Questions and comments
Questions people ask about Checkmate ‑ checkout validator, answered from what this page shows. Entries marked Site editor are written by the EcomAppReviews editor. Reader comments appear after a person has read and approved them, usually within a day. E-mail addresses are never published.
Last updated Oct 21, 2026. Ratings and review counts are the values shown on each app's public listing. How the numbers are computed: methodology.
0 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed when the listing was last refreshed.