Checkout Customizer Ninja vs Nudge ‑ Checkout Optimizer

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Checkout Customizer Ninja, Oct 13, 2026 for Nudge.

The short answer

  • Paid plans start at $49/month for Checkout Customizer Ninja and $49/month for Nudge.

Head to head

Detected stores

Checkout Customizer Ninja: 10
Nudge: —

App Store reviews

Checkout Customizer Ninja: 12
Nudge: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Checkout - Other
  • Upsell and cross-sell
  • Checkout - Other
Languages
  • English
  • English
Launched
Nov 20, 2023
May 8, 2026
Built for Shopify
Built for Shopify
Not badged
Reviews per month
1 last full month
—
Detected stores
10active installs
  • Unniyarcha
  • Icy
  • Lumebox
  • Verano Hill
+6 more
0active installs
Most common store size
51-100 products30%
—
Top countries
  • United States30%
  • Canada20%
  • Germany20%
—

Momentum

New reviews each month

Review pace is the clearest public read on how fast an app is winning new merchants.

035OctJulNovDecFebMayJunAugCheckout Customizer Ninja: 1 reviews in October 2024Checkout Customizer Ninja: 1 reviews in July 2025Checkout Customizer Ninja: 1 reviews in November 2025Checkout Customizer Ninja: 2 reviews in December 2025Checkout Customizer Ninja: 1 reviews in February 2026Checkout Customizer Ninja: 3 reviews in May 2026Checkout Customizer Ninja: 3 reviews in June 2026Checkout Customizer Ninja: 1 reviews in August 2026
Checkout Customizer NinjaNudgeCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $49 to $99/month
From $49 to $500/month
Plans
Advanced Bundle$49/month
3-day free trial
  • · Banner Blocks
  • · Checkbox, Date picker block
  • · Coupon List Block , Payment Icons
  • · Custom checkout fields
  • · Dropdown , Custom Text field Block
  • · Trust Badges Block
Deluxe Bundle$99/month
3-day free trial
  • · All Advanced Feature
  • · Gift Card Validation Via API
  • · Hide payment method Via API
  • · Unlimited Blocks
  • · Upsell Component
  • · Validate Address Via API
Spark$49/month
7-day free trial
  • · Analytics dashboard included
  • · Banners, upsells, trust and payments
  • · Full layout and style customization
  • · Post-purchase game, 500 sessions
  • · Unlimited checkout blocks always on
Lift$99/month
7-day free trial
  • · Have AI decide when blocks are shown
  • · Have AI rewrite content per shopper
  • · Post-purchase game, 1,000 sessions
  • · Unlimited checkout blocks always on
  • · Use your own AI API key for Nudge Assist
Drive$250/month
  • · Fully managed Nudge Assist AI
  • · Post-purchase game, 2,500 sessions
  • · Priority support included
  • · Real-time personalization per shopper
  • · Unlimited checkout blocks always on
Momentum$500/month
  • · AI adapts at scale automatically
  • · Dedicated onboarding and support
  • · Managed AI with highest limits
  • · Post-purchase game, 6,000 sessions
  • · Unlimited checkout blocks always on
Coverage
0 of 0 features0%
0 of 0 features0%
Unique strengths
—
—
000onlybothonly
Checkout Customizer NinjaNudge0 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
  • Checkout
  • Checkbox
  • Gift Card
  • checkout blocks
  • custom field
  • Address validator
  • Checkout extensibility
—
How it sells itself

Checkout Ninja is a no-code checkout customizer for Shopify Plus. Customize your checkout with drag-and-drop checkout blocks and checkout customization tools. Add trust badges and display Trustpilot reviews at checkout to build trust. Use checkout custom fields to collect customer info, and add coupon lists, banners and content blocks. Show or hide any checkout block with conditional logic.

Nudge helps you improve checkout performance with AI-powered blocks that adapt to each shopper’s behavior. It adjusts offers, messaging, and product suggestions in real time based on how customers interact throughout the checkout experience. After purchase, a built-in swipe game collects direct customer feedback on products. Customers can quickly like or dislike items, giving you clear signals on preferences.

Key points
  • Increase sales with upsells, cross-sells, free gifts, and discounts
  • Add custom fields or checkboxes for gift messages, delivery dates/notes etc.
  • OTP verification for phone number, especially for Cash On delivery
  • Hide, rename and reorder delivery and payment methods using Shopify Functions.
  • AI checkout blocks that adapt offers, messaging, and products per shopper.
  • Real-time personalization based on how customers interact at checkout.
  • Post-purchase swipe game to collect direct like or dislike feedback.
  • Test products and offers with real shoppers to identify data-backed winners.
Screenshots
Checkout blocks and page rename custom rules
Add Custom checkout checkbox and textboxAdd new blocks form by clicking create new block buttonCheckout blocks manage for Plus stores
Help center with guides and priority customer support
Custom checkout blocks to boost conversions and AOVAI checkout optimization with blocks, game, analytics, supportAdvanced analytics tracking revenue and conversion impact

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

MeasureCheckout Customizer NinjaNudge
Detected stores10as of Nov 8, 2026Not published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesHealth & Beauty, Apparel & Accessories, Animals & Pet SuppliesNot published
Top store countriesUnited States, Canada, GermanyNot published

Reviews

MeasureCheckout Customizer NinjaNudge
App Store rating5.0 ★Not published
App Store reviews12Not published
New reviews, 28 days0Not enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureCheckout Customizer NinjaNudge
Free planNot listedNot listed
Lowest paid monthly plan$49/month$49/month
Longest free trial3 days7 days
Plans listed24

Listing

MeasureCheckout Customizer NinjaNudge
Shopify category rank#43(ahead)in Checkout - Other#395in Checkout - Other
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyYesNo
LaunchedNov 20, 2023May 8, 2026
Languages1English1English
DeveloperNex App Studio LLCTACTECH LLC

FAQ

Checkout Customizer Ninja and Nudge: common questions

Is Checkout Customizer Ninja or Nudge cheaper?
Paid plans start at $49/month for Checkout Customizer Ninja and $49/month for Nudge. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
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 8, 2026 for Checkout Customizer Ninja, Oct 13, 2026 for Nudge; 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 8, 2026 for Checkout Customizer Ninja, Oct 13, 2026 for Nudge. 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.