Checkout Order Booster: Upsell vs UpsellPlus Checkout 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 UpsellPlus Checkout Upsell.
The short answer
- Only UpsellPlus Checkout Upsell lists a free plan.
- UpsellPlus Checkout Upsell lists 20 features Checkout Order Booster’s listing doesn’t mention, including A/B testing, Announcement bar, Cart drawer.
Head to head
Grow AOV, post-purchase, BOGO, offers, funnels, gifts
- United States
- United Kingdom
- Sweden
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
- · Analytics
- · Build for free. Launch with a free trial
- · Checkout Upsells (Plus only)
- · Choose from all 12 upsell types
- · Product, Cart, Post-purchase upsells
Launch
- · Cart Page, Pop-up & Drawer Upsells
- · Earn back fees with UpsellPlus Earn
- · Free Gifts
- · Multivariate A/B testing
- · Post-purchase Upsells
- · Product Page Upsells
Shopify Plus
- · AI recommendations
- · Checkout Customization
- · Checkout Upsells
- · Earn back fees with UpsellPlus Earn
- · Everything in Basic, plus:
- · Thank You Page Customizations
Scale
- · Checkout & TY page Customization
- · Checkout Upsells
- · Earn back fees with UpsellPlus Earn
- · Everything in Basic, plus:
- · Live support with 30s replies
- · Multivariate A/B Testing
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.
UpsellPlus helps increase average order value with personalized upsells and cross sells across product pages, cart drawers, checkout, post purchase, thank you, order status and customer account pages. Staff can also upsell in store with offers on the Shopify POS home screen, added in one tap. Create one click post purchase offers, free gifts, subscription upgrades and checkout customizations.
- 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
- Customize checkout, cart and post-purchase page with upsells and customizations
- Upsell one-off purchases to subscriptions to grow your recurring revenue
- Add custom fields to checkout page for gift message, delivery date/notes
- A/B test checkout upsells to learn what works best
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 |  UpsellPlus Checkout Upsell |
|---|---|---|
| Detected stores | Not published | 108 |
| Net store change, 28 days | 0 | +15 |
| Stores added, 28 days | Not enough data | 17 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, United Kingdom, Sweden |
Reviews
| Measure | Checkout Order Booster | UpsellPlus Checkout Upsell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 151 |
| New reviews, 28 days | Not enough data | 6 |
| Reviewers a year or more in | Not enough data | 11% |
Pricing
| Measure | Checkout Order Booster | UpsellPlus Checkout Upsell |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $49/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Checkout Order Booster | UpsellPlus Checkout Upsell |
|---|---|---|
| Shopify category rank | #1075 | #22 |
| Shopify App Charts | Not on this week’s charts | #10 in Checkout - Other |
| Built for Shopify | No | Yes |
| Launched | May 28, 2026 | Nov 3, 2021 |
| Languages | 1 | 1 |
| Developer | Sky Apps | UpsellPlus |
FAQ
Checkout Order Booster and UpsellPlus Checkout Upsell: common questions
- Is Checkout Order Booster or UpsellPlus Checkout Upsell cheaper?
- Only UpsellPlus Checkout 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?
- UpsellPlus Checkout Upsell lists 20 the others don’t mention, such as A/B testing, Announcement bar, Cart drawer, Cart upsell. 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 UpsellPlus Checkout 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 UpsellPlus Checkout 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.