Checkout Order Booster: Upsell vs AMP Post Purchase Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 29, 2026 for Checkout Order Booster, Nov 9, 2026 for AMP Post Purchase Upsell.
The short answer
- Only AMP Post Purchase Upsell lists a free plan.
- AMP Post Purchase Upsell lists 30 features Checkout Order Booster’s listing doesn’t mention, including A/B testing, Announcement bar, Bundles.
Head to head
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Pay per boost
- · 10 languages and every currency
- · A/B testing and quantity breaks
- · First 100 accepted upsells free monthly
- · Funnel analytics and CSV export
- · One-click post-purchase offers
- · Then $0.10 per accepted upsell
FREE FOREVER
- · A/B Testing to pick best offer
- · Advanced targeting: UTM, repeat visitor
- · Design & branding support
- · SKU & campaign level analytics
- · Smart AI recommendations
- · Unlimited Post Purchase Upsells
PRO
- · All features in FREE plan
- · Checkout page upsells for Shopify Plus
- · Pop-ups on ATC or Checkout button clicks
- · Post purchase surveys and analytics
- · Product Page Upsells
- · Slide cart drawer with upsells
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureShow the right add-on at every step: product and cart pages, a one-click post-purchase offer, and the Thank you and Order status pages, on every plan. Plus stores also get checkout offers and a free-shipping bar. Pick from 6 native-looking layouts, trigger by product, cart value, or customer tag, and A/B test. Discounts apply automatically, no codes.
AMP Post Purchase Upsell turns every order into a bigger order. Show a one-click post purchase upsell where buying intent is highest. Add product page upsells and pop-ups, and on Shopify Plus, add checkout upsells with a free-shipping progress bar. Use one-click add-ons, frequently bought together recommendations & cross-sell offers across the journey.
- Upsell offers shown natively in checkout
- Trigger offers by product, cart value, or show to all customers
- Choose from card, compact, or banner widget layouts
- Attach percentage or fixed amount discounts
- Create Post Purchase One-Click Upsells (single & multi-product)
- Upsell everywhere: Product page, Cart, Thank You page
- Supercharge Checkout page with upsells and social proof (Shopify Plus Exclusive)
- Customize Thank You & Order Status page: Upsells, Surveys & more
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 |  Checkout Order Booster | AMP Post Purchase Upsell |
|---|---|---|
| Detected stores | Not published | 537 |
| Net store change, 28 days | 0 | −12 |
| Stores added, 28 days | Not enough data | 2 |
| Big-brand share | Not enough data | 32% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, United Kingdom, Australia |
Reviews
| Measure | Checkout Order Booster | AMP Post Purchase Upsell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 94 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Checkout Order Booster | AMP Post Purchase Upsell |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 1 | 2 |
Listing
| Measure | Checkout Order Booster | AMP Post Purchase Upsell |
|---|---|---|
| Shopify category rank | #1075 | #186(ahead) |
| Shopify App Charts | Not on this week’s charts | #3 on Big-brand picks in Upsell and cross-sell |
| Built for Shopify | No | No |
| Launched | May 28, 2026 | Jul 21, 2023 |
| Languages | 1 | 1 |
| Developer | Sky Apps | App HQ Pte. Ltd. |
FAQ
Checkout Order Booster and AMP Post Purchase Upsell: common questions
- Is Checkout Order Booster 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.
- What features does each app list that the other doesn’t?
- AMP Post Purchase Upsell lists 30 the others don’t mention, such as A/B testing, Announcement bar, Bundles, Cart drawer. 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 Oct 29, 2026 for Checkout Order Booster, Nov 9, 2026 for AMP Post Purchase Upsell; 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 Oct 29, 2026 for Checkout Order Booster, Nov 9, 2026 for AMP Post Purchase Upsell. 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.