Kaching Post Purchase Upsell vs Post‑Purchase Engine

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for Kaching Post Purchase Upsell, Oct 13, 2026 for Post‑Purchase Engine.

The short answer

  • On the Shopify App Store: Kaching Post Purchase Upsell 5.0 from 438 reviews and Post‑Purchase Engine 5.0 from 1 reviews.
  • Both list a free plan. Paid plans start at $4.99/month for Kaching Post Purchase Upsell and $9/month for Post‑Purchase Engine.
  • Kaching Post Purchase Upsell lists 9 features Post‑Purchase Engine’s listing doesn’t mention, including AI recommendations, Checkout upsell, Conversion rates.

Head to head

Detected stores

Kaching Post Purchase Upsell: 1,759
Post‑Purchase Engine: —

App Store reviews

Kaching Post Purchase Upsell: 438
Post‑Purchase Engine: 1

New reviews, 28 days

Kaching Post Purchase Upsell: 56
Post‑Purchase Engine: 0

Stores added, 28 days

Kaching Post Purchase Upsell: 76
Post‑Purchase Engine: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—

Customize the Native Post-Purchase Page. Boost Sales & more!

Categories
  • Upsell and cross-sell
  • Cart customization
  • Discounts
Languages
  • English
—
Launched
Feb 28, 2024
Dec 6, 2021
Built for Shopify
Built for Shopify
Not badged
Reviews per month
62 last full month
—
Detected stores
1,759active installs
  • Pawtique
  • Restomods
  • Sprouht
  • Frama Studio | Partner
  • S and J Luxury Fitness
+1,754 more
0active installs
Most common store size
1-10 products45%
—
Top countries
  • United States19%
  • Australia4%
  • United Kingdom4%
—

Momentum

New reviews each month

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

050100DecJanMarMayJulSepOctKaching Post Purchase Upsell: 30 reviews in December 2025Kaching Post Purchase Upsell: 37 reviews in January 2026Kaching Post Purchase Upsell: 31 reviews in February 2026Kaching Post Purchase Upsell: 38 reviews in March 2026Kaching Post Purchase Upsell: 41 reviews in April 2026Kaching Post Purchase Upsell: 28 reviews in May 2026Kaching Post Purchase Upsell: 24 reviews in June 2026Kaching Post Purchase Upsell: 36 reviews in July 2026Kaching Post Purchase Upsell: 31 reviews in August 2026Kaching Post Purchase Upsell: 39 reviews in September 2026Kaching Post Purchase Upsell: 62 reviews in October 2026Post‑Purchase Engine: 1 reviews in December 2021
Kaching Post Purchase UpsellPost‑Purchase EngineCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $19.99/month
From $0 to $34/month
Plans
Development storesFree
  • · Free for all development stores.
99 orders/mo$4.99/month
14-day free trial
  • · Advanced segmentation
  • · Customization options
  • · Detailed analytics
  • · Easy setup
  • · Post purchase upsell & downsell funnels
  • · Unlimited funnels
199 orders/mo$7.99/month
14-day free trial
  • · Advanced segmentation
  • · Customization options
  • · Detailed analytics
  • · Easy setup
  • · Post purchase upsell & downsell funnels
  • · Unlimited funnels
499 orders/mo$19.99/month
14-day free trial
  • · Advanced segmentation
  • · Customization options
  • · Detailed analytics
  • · Easy setup
  • · Post purchase upsell & downsell funnels
  • · Unlimited funnels
DEV STOREFree
  • · All Features included
  • · Free until grading up to higher plan
  • · Partner friendly
SHOPIFY BASIC$9/month
14-day free trial
  • · 0% Revenue Commission
  • · All Features included
  • · Chat and E-Mail Support
SHOPIFY$19/month
14-day free trial
  • · 0% Revenue Commission
  • · All features included
  • · Live Chat and E-Mail Support
SHOPIFY ADVANCED$34/month
14-day free trial
  • · 0% Revenue Commission
  • · All features included
  • · Priority Live Chat and E-Mail Support
Coverage
11 of 11 features100%
0 of 11 features0%
Unique strengths
  • AI recommendations
  • Checkout upsell
  • Conversion rates
  • Custom rules
  • +5 more
—
Cart customization
100%3/3
0%0/3
Checkout customization
100%1/1
0%0/1
Upselling
100%2/2
0%0/2
Upsell and cross-sell
100%8/8
0%0/8
Analytics
100%1/1
0%0/1
Customization
100%4/4
0%0/4
Offers and recommendations
100%3/3
0%0/3
1100onlybothonly
Kaching Post Purchase UpsellPost‑Purchase Engine11 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
  • Checkout
How it sells itself

Flawlessly integrated, Kaching Post Purchase Upsell allows customers to catch irresistible offers immediately after purchase, no re-entry of payment details required - one click is all it takes. Easily personalize product recommendations with various triggers for superior customer satisfaction.

—
Key points
  • Easily create one-click post purchase upsell offers, no coding needed!
  • Personalize offers with targeting rules such as min. order value, UTM tags, etc.
  • Customize your upsell offers to match your store's brand.
—
Screenshots
Increase your AOV with post purchase upsells!
Personalize with targetingOne click upsell!Live chat support
shopify app with outstanding live chat support
increase sales and customer loyalty on shopifycustomize shopify post purchase checkout pageThe best native post purchase checkout app for shopify

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

MeasureKaching Post Purchase UpsellPost‑Purchase Engine
Detected stores1,759as of Nov 7, 2026Not published
Net store change, 28 days−1estimated0estimated
Stores added, 28 days76new and returningNot enough data
Big-brand share9%of stores of known sizeNot enough data
Top store categoriesHealth & Beauty, Food, Beverages & Tobacco, Home & GardenNot published
Top store countriesUnited States, Australia, United KingdomNot published

Reviews

MeasureKaching Post Purchase UpsellPost‑Purchase Engine
App Store rating5.0 ★5.0 ★
App Store reviews438(ahead)1
New reviews, 28 days56(ahead)0
Reviewers a year or more in7%Not enough data

Pricing

MeasureKaching Post Purchase UpsellPost‑Purchase Engine
Free planYesYes
Lowest paid monthly plan$4.99/month(ahead)$9/month
Longest free trial14 days14 days
Plans listed44

Listing

MeasureKaching Post Purchase UpsellPost‑Purchase Engine
Shopify category rank#3in Upsell and cross-sell#837in Discounts
Shopify App Charts#20 in Upsell and cross-sellNot on this week’s charts
Built for ShopifyYesNo
LaunchedFeb 28, 2024Dec 6, 2021
Languages1EnglishNot published
DeveloperKaching Bundles & UpsellsSofft Labs GmbH

FAQ

Kaching Post Purchase Upsell and Post‑Purchase Engine: common questions

Is Kaching Post Purchase Upsell or Post‑Purchase Engine cheaper?
Both list a free plan. Paid plans start at $4.99/month for Kaching Post Purchase Upsell and $9/month for Post‑Purchase 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.
Which has better reviews, Kaching Post Purchase Upsell or Post‑Purchase Engine?
On the Shopify App Store: Kaching Post Purchase Upsell 5.0 from 438 reviews and Post‑Purchase Engine 5.0 from 1 reviews.
What features does each app list that the other doesn’t?
Kaching Post Purchase Upsell lists 9 the others don’t mention, such as AI recommendations, Checkout upsell, Conversion rates, Custom 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 Nov 7, 2026 for Kaching Post Purchase Upsell, Oct 13, 2026 for Post‑Purchase 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 7, 2026 for Kaching Post Purchase Upsell, Oct 13, 2026 for Post‑Purchase 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.