---
title: "RS: Cart Upsell & Cross Sell vs AMP Post Purchase Upsell: Shopify app comparison"
description: "Compare RS: Cart Upsell & Cross Sell and AMP Post Purchase Upsell on detected Shopify stores, App Store reviews, pricing, listed features and integrations."
canonical_url: "https://shoplist.co/shopify-apps/compare/rs-cart-upsell-cross-sell-vs-upsell-by-amp"
markdown_url: "https://shoplist.co/shopify-apps/compare/rs-cart-upsell-cross-sell-vs-upsell-by-amp.md"
data_as_of: "Nov 11, 2026"
---

# RS: Cart Upsell & Cross Sell vs AMP Post Purchase Upsell

Shopify app comparison from Shoplist. Store counts as of Nov 11, 2026.

## At a glance

- AMP Post Purchase Upsell is detected on 5.4× as many Shopify stores as RS: 556 vs 103 as of Nov 11, 2026.
- On the Shopify App Store: RS 5.0 from 7 reviews and AMP Post Purchase Upsell 5.0 from 94 reviews.
- Only AMP Post Purchase Upsell lists a free plan.
- AMP Post Purchase Upsell lists 23 features RS’s listing doesn’t mention, including AI recommendations, Announcement bar, Bundles.

## Adoption

| Measure | RS | AMP Post Purchase Upsell | Ahead |
| --- | --- | --- | --- |
| Detected stores | 103 — as of Nov 11, 2026 | 556 — as of Nov 11, 2026 | AMP Post Purchase Upsell |
| Net store change, 28 days | \+5 — estimated | −8 — estimated |  |
| Stores added, 28 days | 5 — new and returning | 3 — new and returning | RS |
| Big-brand share | Not enough data | 31% — of stores of known size |  |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Apparel & Accessories, Health & Beauty, Home & Garden |  |
| Top store countries | Hungary, United Kingdom, United States | United States, United Kingdom, Australia |  |

## Reviews

| Measure | RS | AMP Post Purchase Upsell | Ahead |
| --- | --- | --- | --- |
| App Store rating | 5.0 ★ | 5.0 ★ |  |
| App Store reviews | 7 | 94 | AMP Post Purchase Upsell |
| New reviews, 28 days | Not enough data | 0 |  |
| Reviewers a year or more in | Not enough data | Not enough data |  |

## Pricing

| Measure | RS | AMP Post Purchase Upsell | Ahead |
| --- | --- | --- | --- |
| Free plan | Not listed | Yes |  |
| Lowest paid monthly plan | No monthly plan listed | $99/month |  |
| Longest free trial | Not listed | 14 days |  |
| Plans listed | Not published | 2 |  |

## Listing

| Measure | RS | AMP Post Purchase Upsell | Ahead |
| --- | --- | --- | --- |
| Shopify category rank | \#98 — in Upsell and cross-sell | \#187 — in Upsell and cross-sell | RS |
| Shopify App Charts | \#7 on Rookies in Upsell and cross-sell | \#3 on Big-brand picks in Upsell and cross-sell |  |
| Built for Shopify | Yes | No |  |
| Launched | Aug 18, 2026 | Jul 21, 2023 |  |
| Languages | 1 — English | 1 — English |  |
| Developer | Rapid Search | App HQ Pte. Ltd. |  |

## Listed features

- 41 distinct features are listed across these App Store listings; 12 are listed by both.
- RS lists 18 of them (44%). Listed only by RS: Cart drawer, Custom CSS, Frequently bought together, Multi-language, One-click upsell, Product recommendations.
- AMP Post Purchase Upsell lists 35 of them (85%). Listed only by AMP Post Purchase Upsell: AI recommendations, Announcement bar, Bundles, Custom HTML, Custom rules, Drag-and-drop editor, Free gifts, Free shipping, Frequently bought together, Gift wrap, Multi-currency, One-click add-ons, Optimization suggestions, Product page upsell, Progress bar, Quantity breaks, Recommendation performance, Shipping protection, Sticky cart, Subscription upgrade, Thank you page upsell, Tiered discounts, Volume discounts.

### Coverage by App Store category

| Category | RS | AMP Post Purchase Upsell |
| --- | --- | --- |
| Cart customization | 6/6 | 0/6 |
| Cart customization › Cart display | 2/2 | 0/2 |
| Cart customization › Checkout customization | 2/2 | 0/2 |
| Cart customization › Upselling | 2/2 | 0/2 |
| Upsell and cross-sell | 12/35 | 35/35 |
| Upsell and cross-sell › Analytics | 4/6 | 6/6 |
| Upsell and cross-sell › Customization | 6/16 | 16/16 |
| Upsell and cross-sell › Offers and recommendations | 2/13 | 13/13 |

A feature missing from a listing may still be supported; this compares what each App Store listing says.

## Integrations

- No platform appears in every listing.
- RS lists no integrations.
- Only AMP Post Purchase Upsell lists: Checkout, Customer accounts, Lifetimely by AMP, PageFly, ReCharge, Slide Cart Drawer by AMP, BEST Currency Converter.

## Pricing plans

### RS

Free

### AMP Post Purchase Upsell

| Plan | Price | Free trial | Additional charges |
| --- | --- | --- | --- |
| FREE FOREVER | Free | Not listed | None listed |
| PRO | $99/month | 14-day free trial | None listed |

## Frequently asked questions

### Which is more popular, RS or AMP Post Purchase Upsell?

AMP Post Purchase Upsell is detected on 5.4× as many Shopify stores as RS: 556 vs 103 as of Nov 11, 2026.

### Is RS or AMP Post Purchase Upsell cheaper?

Only AMP Post Purchase Upsell lists a free plan. 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, RS or AMP Post Purchase Upsell?

On the Shopify App Store: RS 5.0 from 7 reviews and AMP Post Purchase Upsell 5.0 from 94 reviews.

### What features does each app list that the other doesn’t?

RS lists 6 the others don’t mention, such as Cart drawer, Custom CSS, Frequently bought together, Multi-language. AMP Post Purchase Upsell lists 23 the others don’t mention, such as AI recommendations, Announcement bar, Bundles, Custom HTML. 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 11, 2026; estimated figures are labeled.

## Links

- [RS: Cart Upsell & Cross Sell vs AMP Post Purchase Upsell on Shoplist](https://shoplist.co/shopify-apps/compare/rs-cart-upsell-cross-sell-vs-upsell-by-amp)
- [RS: Cart Upsell & Cross Sell on Shoplist](https://shoplist.co/shopify-apps/rs-cart-upsell-cross-sell) ([Markdown](https://shoplist.co/shopify-apps/rs-cart-upsell-cross-sell.md))
- [AMP Post Purchase Upsell on Shoplist](https://shoplist.co/shopify-apps/upsell-by-amp) ([Markdown](https://shoplist.co/shopify-apps/upsell-by-amp.md))

## Methodology

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 for RS and AMP Post Purchase Upsell are as of Nov 11, 2026. “Not detectable from storefronts” means an app leaves no storefront trace, so Shoplist can’t count its stores. A row names who is ahead only when every app has a measured, unestimated figure. See [data methodology](https://shoplist.co/data-methodology.md).
