CartWisp: Checkout Validation vs CheckoutGuard Block Mixed Cart

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.

The short answer

  • Only CartWisp lists a free plan. Paid plans start at $5/month for CartWisp and $3.99/month for CheckoutGuard Block Mixed Cart.
  • CartWisp lists 9 features CheckoutGuard Block Mixed Cart’s listing doesn’t mention, including Custom notes, Free shipping, Hide express checkout.

Head to head

Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
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Categories
  • Cart customization
  • Payment options - Other
  • Cart customization
Languages
  • English
  • English
Launched
May 20, 2026
Jan 12, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
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Detected stores
0active installs
0active installs
Most common store size
—
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Top countries
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Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $5/month
From $3.99 to $9.99/month
Plans
Basic PlanFree
  • · 3 Active Checkout Rules Allowed
  • · Basic Payment Method Restriction
  • · Basic Preview and Rule Testing Mode
  • · Checkout Blocking with Clear Messages
  • · Control Maximum Quantity allowed per SKU
  • · Free Forever with No Renewal Required
Starter Plan$5/month
  • · 10 Active Checkout Rules Allowed
  • · Country and State-based SKU Restrictions
  • · Enforce Shipping Methods & Restrictions
  • · Ground-only Shipping Enforcement
  • · MOQ Rules by Customer Segment
  • · P.O. Box Shipping Restriction
Starter$3.99/month
14-day free trial
Growth$5.99/month
14-day free trial
Pro$9.99/month
14-day free trial
Coverage
10 of 10 features100%
1 of 10 features10%
Unique strengths
  • Custom notes
  • Free shipping
  • Hide express checkout
  • Payment method rules
  • +5 more
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Cart customization
100%10/10
10%1/10
Cart display
100%1/1
100%1/1
Checkout customization
100%5/5
0%0/5
Upselling
100%4/4
0%0/4
910onlybothonly
CartWispCheckoutGuard Block Mixed Cart10 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
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How it sells itself

CartWisp helps Shopify merchants enforce checkout rules and validation to prevent invalid, non-compliant, and unfulfillable orders before they are placed. Create rules for MOQ, minimum order value, buyer eligibility, product restrictions, shipping controls, payment method limits, B2B checkout, and compliance workflows.

Checkout Guard helps merchants prevent invalid orders before they reach checkout. It allows merchants to define rules that block carts with incompatible items, such as mixed pre-orders and in-stock products, conflicting shipping types, or fulfillment restrictions. Rules are enforced at checkout so invalid orders are stopped before payment.

Key points
  • Block invalid orders before they reach fulfillment
  • Enforce MOQ, MOV, and B2B buyer eligibility rules
  • Restrict shipping methods, regions, and P.O. Boxes
  • Control COD, BNPL, invoice, and risky payment methods
  • Block pre-order + in-stock items being purchased together
  • Block carts with conflicting shipping or fulfillment methods
  • Block carts with products that must be purchased alone
  • Block invalid or incompatible product combinations
Screenshots
Easy installation and configuration for checkout control
Create custom checkout rules to prevent non-compliant ordersCheckout policy engine blocking risky orders in store UIBlock Invalid Checkouts before they happen
screenshot-two
screenshot-fourscreenshot-threescreenshot-two

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.

Showing only the rows where the apps differ.

Adoption

MeasureCartWispCheckoutGuard Block Mixed Cart
Detected storesNot publishedNot published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesNot publishedNot published
Top store countriesNot publishedNot published

Reviews

MeasureCartWispCheckoutGuard Block Mixed Cart
App Store ratingNot publishedNot published
App Store reviewsNot publishedNot published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureCartWispCheckoutGuard Block Mixed Cart
Free planYesNot listed
Lowest paid monthly plan$5/month$3.99/month(ahead)
Longest free trialNot listed14 days
Plans listed23

Listing

MeasureCartWispCheckoutGuard Block Mixed Cart
Shopify category rank#149in Cart customizationNot enough data
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedMay 20, 2026Jan 12, 2026
Languages1English1English
DeveloperSmaitik VenturesDauti Enterprises Inc

FAQ

CartWisp and CheckoutGuard Block Mixed Cart: common questions

Is CartWisp or CheckoutGuard Block Mixed Cart cheaper?
Only CartWisp lists a free plan. Paid plans start at $5/month for CartWisp and $3.99/month for CheckoutGuard Block Mixed Cart. 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?
CartWisp lists 9 the others don’t mention, such as Custom notes, Free shipping, Hide express checkout, Payment method rules. 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 Oct 13, 2026; 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 Oct 13, 2026. 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.