Kaching Discount Upsell Popup vs Post Purchase Upsell—ReSell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026.
The short answer
- Kaching Discount Upsell Popup is detected on 11× as many Shopify stores as Post Purchase Upsell—ReSell: 582 vs 53 as of Nov 9, 2026.
- On the Shopify App Store: Kaching Discount Upsell Popup 5.0 from 150 reviews and Post Purchase Upsell—ReSell 5.0 from 72 reviews.
- Only Kaching Discount Upsell Popup lists a free plan. Paid plans start at $14.99/month for Kaching Discount Upsell Popup and $0.99/month for Post Purchase Upsell—ReSell.
- Kaching Discount Upsell Popup lists 10 features Post Purchase Upsell—ReSell’s listing doesn’t mention, including Bundles, Click-through rates, Conversion rates.
Head to head
- United States
- United Kingdom
- Canada
- United States
- United Kingdom
- Germany
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Development stores
- · Free for all development stores
- · Unlimited everything
Starter
- · Discounts on upsell pairs
- · Endless customization
- · Live chat customer support
- · Unlimited upsell popups
- · Up to $1,000 of additional revenue
Basic
- · Discounts on upsell pairs
- · Endless customization
- · Live chat customer support
- · Unlimited upsell popups
- · Up to $5,000 of additional revenue
Growth
- · Discounts on upsell pairs
- · Endless customization
- · Live chat customer support
- · Unlimited upsell popups
- · Up to $10,000 of additional revenue
Flex
- · 100 store orders free/mo
- · 24/7 chat, email, phone & video calls
- · 5% on upsell revenue
- · Free cart upsell add-on
Standard
- · 24/7 chat, email, phone & video calls
- · 250 store orders included/mo
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Professional
- · 1,000 store orders included/mo
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Unlimited
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Lifetime price lock
- · No usage charges ever
- · Unlimited store orders
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureKaching Upsell Popup shows the right add-on when a shopper adds a product to cart. On install, the app scans your catalog and suggests matching add-ons for your products. Offer single products, product sliders, free gifts, or deals from Kaching Bundles and Kaching Subscriptions. Edit every popup in a no-code editor and track added revenue.
Get an ultimate sales boost by reconverting buyers after payment: a post purchase offer before the thank you page, upsell bundles on the checkout page, upsell & cross sell with related products and recommended products. A post checkout upsell and order status page upsell keep selling, and a multi-product downsell follows a declined offer.
- Create a seamless popup experience without interrupting the buying journey
- Increase your AOV with various upsell and cross-sell strategies
- Boost sales offering frequently bought together products in your popups
- Checkout and post-purchase one click upsell and automatic cross-sell offers
- Offer customers to make a new purchase with Thank you page upsell promotions
- Upselling and cross-selling widgets to improve your checkout and Thank you page
- Personalized recommendations or products that are frequently bought together
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 |  Kaching Discount Upsell Popup |  Post Purchase Upsell—ReSell |
|---|---|---|
| Detected stores | 582(ahead) | 53 |
| Net store change, 28 days | −1 | 0 |
| Stores added, 28 days | 27 | Not enough data |
| Big-brand share | 14% | Not enough data |
| Top store categories | Health & Beauty, Apparel & Accessories, Home & Garden | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | United States, United Kingdom, Canada | United States, United Kingdom, Germany |
Reviews
| Measure | Kaching Discount Upsell Popup | Post Purchase Upsell—ReSell |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 150(ahead) | 72 |
| New reviews, 28 days | Not enough data | 2 |
| Reviewers a year or more in | 6% | 31%(ahead) |
Pricing
| Measure | Kaching Discount Upsell Popup | Post Purchase Upsell—ReSell |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $14.99/month | $0.99/month(ahead) |
| Longest free trial | 7 days | 30 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Kaching Discount Upsell Popup | Post Purchase Upsell—ReSell |
|---|---|---|
| Shopify category rank | #12 | #90 |
| Shopify App Charts | #3 on Pricing moves in Pop-ups | #20 on Featured by Shopify in Upsell and cross-sell |
| Built for Shopify | Yes | Yes |
| Launched | Oct 2, 2024 | Jun 28, 2022 |
| Languages | 1 | 4 |
| Developer | Kaching Bundles & Upsells | DevIT |
FAQ
Kaching Discount Upsell Popup and Post Purchase Upsell—ReSell: common questions
- Which is more popular, Kaching Discount Upsell Popup or Post Purchase Upsell—ReSell?
- Kaching Discount Upsell Popup is detected on 11× as many Shopify stores as Post Purchase Upsell—ReSell: 582 vs 53 as of Nov 9, 2026.
- Is Kaching Discount Upsell Popup or Post Purchase Upsell—ReSell cheaper?
- Only Kaching Discount Upsell Popup lists a free plan. Paid plans start at $14.99/month for Kaching Discount Upsell Popup and $0.99/month for Post Purchase Upsell—ReSell. 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 Discount Upsell Popup or Post Purchase Upsell—ReSell?
- On the Shopify App Store: Kaching Discount Upsell Popup 5.0 from 150 reviews and Post Purchase Upsell—ReSell 5.0 from 72 reviews.
- What features does each app list that the other doesn’t?
- Kaching Discount Upsell Popup lists 10 the others don’t mention, such as Bundles, Click-through rates, Conversion rates, Custom rules. Post Purchase Upsell—ReSell lists 7 the others don’t mention, such as A/B testing, AI recommendations, Checkout upsell, Free shipping. 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 9, 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 Nov 9, 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.