Best Customize Shopify Checkout apps - 2026

33 Customize Shopify Checkout apps tracked, ranked by a weekly index of review velocity, satisfaction, and momentum. Every position derives from publicly available Shopify App Store signals, refreshed every Monday.

Apps in this collection
33
Average rating (Aug 2026)
4.7
Built for Shopify
11
33% of apps
Top category
Upsell and cross-sell
9 apps

Key Facts about Customize Shopify Checkout Apps

What the data says about Shopify merchants here.

76% offer a free plan (25 of 33); 2 are fully free.
Paid plans run from about $3.95 to $1250 per month.
39,970 reviews have been left across these apps.
20 of 33 apps rate 4.8 or higher.
The most-reviewed app in Customize Shopify Checkout is TikTok, with 15,249 reviews.
Apps in this collection were first published between 2014 and 2023.

Standout Customize Shopify Checkout Apps

Four apps, each measured on a different dimension.

Most reviewed
15,249
total reviews
Ads
Highest rated
5
out of 5 (>=50 reviews)
Checkout - Other
Showing 1-24 of 33
TikTok icon

TikTok

Trending
4.815,249 reviews

Launch TikTok Ads and sell directly via TikTok Shop

Pros
Cons
Free
Google & YouTube icon

Google & YouTube

Trending
4.55,047 reviews

Drive sales by showcasing your products on Google and YouTube

Pros
Cons
Free
Facebook & Instagram icon

Facebook & Instagram

Trending
3.74,959 reviews

Seamlessly manage your Facebook and Instagram presence

Pros
Cons
Free
Smile: Loyalty Program Rewards icon

Smile: Loyalty Program Rewards

Built for ShopifyTrendingLeader
4.94,155 reviews

Customer loyalty points, VIP tiers, referrals, rewards program

Pros
Cons
$0-$199/mo
Pinterest icon

Pinterest

4.21,619 reviews

Put your products where people go to find ideas to try and buy

Pros
Cons
Free
Growave: Loyalty & Wishlist icon

Growave: Loyalty & Wishlist

Built for Shopify
4.81,176 reviews

All-in-one retention platform with Loyalty, Reviews, Wishlist

Pros
Cons
$0-$499/mo
Postscript SMS Marketing icon

Postscript SMS Marketing

4.71,142 reviews

Build incremental revenue and scale relationships with SMS

Pros
Cons
$0-$500/mo
Yotpo: Loyalty Rewards Program icon

Yotpo: Loyalty Rewards Program

4.8896 reviews

Build customer loyalty with points, rewards & referrals

Pros
Cons
$0-$199/mo
Aftersell Post Purchase Upsell icon

Aftersell Post Purchase Upsell

Built for ShopifyTrending
4.8875 reviews

Lift AOV with 1-Click Checkout Upsells & Thank You Page Offers

Pros
Cons
$0-$99.99/mo
Lucky Orange Heatmaps & Replay icon

Lucky Orange Heatmaps & Replay

4.7805 reviews

Spot friction and optimize confidently with visual data.

Pros
Cons
$0-$89/mo

AI recommendations: cart, checkout, and post-purchase upsells

Pros
Cons
$0-$25/mo

Store Credit Wallet for Cashback, Loyalty, Rewards & Refunds

Pros
Cons
$19.99-$199.99/mo
Snapchat Ads icon

Snapchat Ads

4.6669 reviews

Reach shoppers with intent not just to scroll

Pros
Cons
Free
One Click Upsell ‑ Zipify OCU icon

One Click Upsell ‑ Zipify OCU

Built for Shopify
4.5495 reviews

Increase AOV with AI post-purchase upsells & checkout upsells

Pros
Cons
$0-$8/mo

Customize your Checkout, Thank you and Order status pages

Pros
Free
Giftnote: Gift Message & Cards icon

Giftnote: Gift Message & Cards

High Performer
5158 reviews

Timed gift messages, Gift cards & Bulk corporate gifting

Pros
$19-$99/mo

Boost your sales with one-click upsell & cross sell funnels

Pros
Cons
$0-$169.99/mo

Add server-side conversion tracking to improve data accuracy

Pros
Cons
$225-$1250/mo

Payment trust badges for sales conversion and social proof

Pros
Cons
$0-$19.99/mo
UpsellPlus Checkout Upsell icon

UpsellPlus Checkout Upsell

Built for ShopifyHigh Performer
5122 reviews

Grow AOV with cross sell, post purchase & checkout upsell

Pros
$0-$199/mo
NA Age Verification icon

NA Age Verification

Built for Shopify
4.987 reviews1 rank

Age Verification on checkout and 18+ age gate check with popup

Pros
Cons
$0-$8.95/mo
Checkout Plus icon

Checkout Plus

Built for ShopifyHigh Performer
587 reviews2 rank

Customize Checkout Page & Thank You Page + Upsells, Free Gifts

$0-$89/mo
Discount Kit icon

Discount Kit

Built for Shopify
4.979 reviews

Discounts that drive sales and increase AOV & conversion rates

Pros
$49.99-$349.99/mo
Atlas Pickup Points icon

Atlas Pickup Points

Built for Shopify
4.870 reviews

Build Award Winner • Checkout pickup points map, 60+ carriers

$39-$299/mo

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FAQs about Customize Shopify Checkout Apps

Answers verified against August 2026 Customize Shopify Checkout data.

Q1What are the best Customize Shopify Checkout apps in 2026?

TikTok leads by review volume; Checkout Plus is the highest-rated; Facebook & Instagram has the steepest momentum (+579/30d).

Q2Which of these apps are free?

25 of 33 offer a free plan, 2 fully free. Paid tiers run about $3.95 to $1250/mo.

Q3How is review velocity (the "biggest mover") calculated?

Net new reviews over the last 30 days, synced weekly. Facebook & Instagram leads at +579.

Q4How much do Customize Shopify Checkout apps cost?

Freemium-heavy: 25/33 have a $0 tier. Paid $3.95 to $1250/mo.