Kaching Post Purchase Upsell vs Postscript SMS Marketing
How Kaching Post Purchase Upsell and Postscript SMS Marketing compare on the Shopify App Store: rating, review count, pricing, the Built for Shopify badge, and where each one ranks in the store's organic search results. Every number is the App Store's own and is never edited.
Updated September 8, 2026 · App Store dataKaching Post Purchase Upsell vs Postscript SMS Marketing at a glance
As of September 8, 2026, Kaching Post Purchase Upsell is rated 5.0 stars from 344 reviews and Postscript SMS Marketing is rated 4.7 stars from 1,206 reviews on the Shopify App Store.
- Rating: Kaching Post Purchase Upsell has the higher rating, 5.0 stars against 4.7.
- Reviews: Postscript SMS Marketing has more reviews, 1,206 against 344.
- Pricing: Kaching Post Purchase Upsell lists "Free plan available", Postscript SMS Marketing "Free to install".
- Built for Shopify: Only Kaching Post Purchase Upsell carries the Built for Shopify badge.
| Fact |
Kaching Post Purchase Upsell
|
Postscript SMS Marketing
|
|---|---|---|
| Tagline | Boost AOV via 1-click Checkout upsells & Thank You page offers | Build incremental revenue and scale relationships with SMS |
| Rating | ★ 5.0 | ★ 4.7 |
| Reviews | 344 | 1,206 |
| Pricing | Free plan available | Free to install |
| Built for Shopify | Built for Shopify | No badge |
| Data as of | September 8, 2026 | September 8, 2026 |
Built for ShopifyRatings, review counts, pricing labels and badges are read from each app's Shopify App Store search result card. Rankings are the store's organic results for the searches Rankbase tracks; sponsored results are excluded.
Where each app ranks in App Store search
| App Store search |
Kaching Post Purchase Upsell
|
Postscript SMS Marketing
|
|---|---|---|
| Both apps rank · 1 search | ||
| Post Script | #3 | #1 |
| Only Kaching Post Purchase Upsell ranks · 51 searches | ||
| Kaching Upsell | #1 | not in top 10 |
| Post At | #1 | not in top 10 |
| Post Purchase | #2 | not in top 10 |
| Post Purchase Upsell | #2 | not in top 10 |
| Post Purchase Upsell Hero | #2 | not in top 10 |
| Poste Italiane | #2 | not in top 10 |
| Kaching | #3 | not in top 10 |
| La Poste Pro | #3 | not in top 10 |
| Mindestbestellwert | #3 | not in top 10 |
| Paginas | #3 | not in top 10 |
| Post Ex | #3 | not in top 10 |
| Reconvert Post Purchase Upsell | #3 | not in top 10 |
| Thank You Page | #3 | not in top 10 |
| Xcotton Post Purchase Guard | #3 | not in top 10 |
| Deutsche Post | #4 | not in top 10 |
| Kachin | #4 | not in top 10 |
| Kaching Bundel | #4 | not in top 10 |
| Kaching Bundels | #4 | not in top 10 |
| Kaching Bundle | #4 | not in top 10 |
| Kaching Bundles | #4 | not in top 10 |
| Kaching Cart | #4 | not in top 10 |
| Kaching Subscriptions | #4 | not in top 10 |
| Katching Cart | #4 | not in top 10 |
| Kathing Bundles | #4 | not in top 10 |
| Laposte | #4 | not in top 10 |
| Post Nl | #4 | not in top 10 |
| Thank You | #4 | not in top 10 |
| Checkout Upsell | #5 | not in top 10 |
| Click | #5 | not in top 10 |
| Katching Bun | #5 | not in top 10 |
| One Click Upsell | #5 | not in top 10 |
| Posten | #5 | not in top 10 |
| Postex | #5 | not in top 10 |
| Bpost | #6 | not in top 10 |
| Katching | #6 | not in top 10 |
| La Poste | #6 | not in top 10 |
| Nz Post | #6 | not in top 10 |
| Ofertas | #6 | not in top 10 |
| Panier | #6 | not in top 10 |
| Aus Post | #7 | not in top 10 |
| Post & DHL | #7 | not in top 10 |
| Boost | #8 | not in top 10 |
| India Post | #8 | not in top 10 |
| Customly | #9 | not in top 10 |
| Katching Bundles | #9 | not in top 10 |
| Offer | #9 | not in top 10 |
| Offers | #9 | not in top 10 |
| Pago | #9 | not in top 10 |
| Up Sell | #10 | not in top 10 |
| Upseller | #10 | not in top 10 |
| UTM | #10 | not in top 10 |
| Only Postscript SMS Marketing ranks · 5 searches | ||
| Postscript | not in top 10 | #1 |
| Postscripts | not in top 10 | #1 |
| Yotpo SMS | not in top 10 | #7 |
| SMS | not in top 10 | #8 |
| SMS Marketing | not in top 10 | #8 |
In the App Store's organic search results, Kaching Post Purchase Upsell ranks in the top 10 for 52 of the 3,620 searches we track and Postscript SMS Marketing for 6. They share one search, "post script", where Postscript SMS Marketing ranks #1 and Kaching Post Purchase Upsell #3.
Frequently asked questions
Is Kaching Post Purchase Upsell or Postscript SMS Marketing rated higher on the Shopify App Store?
Kaching Post Purchase Upsell has the higher rating, 5.0 stars against 4.7. Postscript SMS Marketing has more reviews, 1,206 against 344.
Which has more reviews, Kaching Post Purchase Upsell or Postscript SMS Marketing?
Postscript SMS Marketing has more reviews, 1,206 against 344.
Which ranks higher in Shopify App Store search, Kaching Post Purchase Upsell or Postscript SMS Marketing?
In the App Store's organic search results, Kaching Post Purchase Upsell ranks in the top 10 for 52 of the 3,620 searches we track and Postscript SMS Marketing for 6. They share one search, "post script", where Postscript SMS Marketing ranks #1 and Kaching Post Purchase Upsell #3.
How is this comparison made?
Rankbase records the organic results merchants see when they search the Shopify App Store for 3,620 popular keywords, refreshed daily for published rankings and at least weekly for the rest. Each app's rating, review count, pricing label and Built for Shopify badge are taken from its App Store search result card, so they are exactly what merchants see; the date next to each app is the last time it appeared in any tracked top 10. Sponsored results are excluded, and nothing on this page is edited by hand, including for Rankbase's own apps.
More comparisons
Kaching Post Purchase Upsell against other apps
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- Kaching Post Purchase Upsell vs Smart SEO AI & Image Optimizer
- Kaching Post Purchase Upsell vs Packlink PRO Shipping Platform
Postscript SMS Marketing against other apps
Rankbase paired these two apps on September 8, 2026, when both ranked in the top 3 for "post script". The page stays as long as either app keeps ranking or the comparison keeps being read, and every number on it is refreshed from the App Store.
Rank higher on the Shopify App Store
Rankbase helps Shopify app developers track keyword positions, analyze install click data, and optimize app listings to rank higher in the Shopify App Store.
Explore Rankbase →Built by Craftshift
Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.
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