CheckMate Terms and Conditions vs Compliance Engine
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 6, 2026 for CheckMate Terms and Conditions, Oct 14, 2026 for Compliance Engine.
The short answer
- Only CheckMate Terms and Conditions lists a free plan. Paid plans start at $2.99/month for CheckMate Terms and Conditions and $9/month for Compliance Engine.
- Compliance Engine lists 7 features CheckMate Terms and Conditions’s listing doesn’t mention, including Checkboxes, Color and font, Compliance reports.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Blocks checkout until agreed
- · Covers Buy it now and Shop Pay
- · Email support
- · Quick 2-minute setup
- · Tamper-proof checkout enforcement
- · Terms & conditions checkbox
Starter Plan
- · Age Verification
- · Express checkout support
- · Remove Branding
- · Remove branding
- · T&C Checkbox
- · Tamper-proof checkout enforcement
Pro Plan
- · Age Verification
- · Express checkout support
- · Multiple Checkboxes
- · Product/Country Rules
- · Remove Branding
- · T&C Checkbox
Business Plan
- · Advanced Analytics
- · Multiple Checkboxes
- · POS Checkboxes
- · POS Support
- · Product/Country Rules
- · Remove Branding
Premium Plan
- · Advanced Analytics
- · Checkout UI (Shopify Plus)
- · Multiple Checkboxes
- · POS Support
- · Product/Country Rules
- · Remove Branding
Starter
- · 7 day diagnostics retention
- · Cart warnings
- · Email support
- · Product page warnings
- · Rule based compliance
- · Unlimited warnings
Pro
- · 90 day diagnostics retention
- · Cart warnings
- · Priority email support
- · Product page warnings
- · Rule based compliance
- · Unlimited warnings
Plus
- · Cart warnings
- · Checkout warnings
- · One year diagnostics retention
- · Priority support with guidance
- · Product page warnings
- · Unlimited checkout log
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCheckMate helps merchants stay legally compliant by adding consent checkboxes and age verification to their store. It protects three key points: the cart page (theme block), the cart drawer (app embed), and checkout (Plus only, with tamper-proof server-side validation). Each component is enabled separately in the theme editor. No code required.
Compliance Engine helps merchants identify and address compliance risks before they impact customers or orders. It monitors product pages, cart, and checkout, and displays warnings when defined rules are triggered. Merchants can create rule based conditions to control when messages appear, guide customer actions, and manage restricted or non compliant purchases.
- 1-click enable for terms & conditions checkbox on your cart page
- Age verification popup with configurable thresholds and session memory
- Blocks express checkout buttons until terms are accepted
- Product and collection rules for targeted compliance requirements
- Real-time compliance checks: Flag risks on product, cart, and checkout pages
- Rule-based control: Set conditions to trigger warnings or restrict actions.
- Checkout validation: Prevent orders that do not meet compliance requirements.
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 |  CheckMate Terms and Conditions |  Compliance Engine |
|---|---|---|
| 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 | CheckMate Terms and Conditions | Compliance Engine |
|---|---|---|
| App Store rating | 4.8 ★ | Not published |
| App Store reviews | 30 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | 0% | Not enough data |
Pricing
| Measure | CheckMate Terms and Conditions | Compliance Engine |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $2.99/month(ahead) | $9/month |
| Longest free trial | 7 days | 7 days |
| Plans listed | 5 | 3 |
Listing
| Measure | CheckMate Terms and Conditions | Compliance Engine |
|---|---|---|
| Shopify category rank | #25(ahead) | #398 |
| Shopify App Charts | #19 on Rookies in Legal | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Mar 18, 2026 | May 6, 2026 |
| Languages | 1 | 1 |
| Developer | Nerd Labs | ST Systems Consulting, Inc. |
FAQ
CheckMate Terms and Conditions and Compliance Engine: common questions
- Is CheckMate Terms and Conditions or Compliance Engine cheaper?
- Only CheckMate Terms and Conditions lists a free plan. Paid plans start at $2.99/month for CheckMate Terms and Conditions and $9/month for Compliance Engine. 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?
- CheckMate Terms and Conditions lists 1 the others don’t mention, such as Terms and conditions. Compliance Engine lists 7 the others don’t mention, such as Checkboxes, Color and font, Compliance reports, Custom text. 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 6, 2026 for CheckMate Terms and Conditions, Oct 14, 2026 for Compliance Engine; 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 6, 2026 for CheckMate Terms and Conditions, Oct 14, 2026 for Compliance Engine. 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.