CartBoost: Checkout Upsell vs CartHook Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026 for CartBoost, Nov 5, 2026 for CartHook Upsell.
The short answer
- Only CartBoost lists a free plan. Paid plans start at $9.99/month for CartBoost and $49/month for CartHook Upsell.
- CartHook Upsell lists 6 features CartBoost’s listing doesn’t mention, including A/B testing, Drag-and-drop editor, Funnel performance.
Head to head
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1-Click checkout order bump
- · Checkout milestone progress bar
- · Native Checkout Extensibility
- · Standard email support
Pro
- · 1-Click post-purchase upsells
- · Multi-tier milestone rewards
- · Priority developer support
- · Unlimited checkout orders
Pay as you go
- · 20 orders free every month
- · A/B test your offers
- · Analytics
- · Post-purchase, checkout and thank-you pa
- · Shopify Flow, order tags and fulfillment
- · Target by customer type, tags & delivery
Growth
- · 1,000 orders included every month
- · A/B test your offers
- · Checkout upsells (Shopify Plus)
- · Everything in Pay as you go
- · Export your analytics
- · No revenue share on upsells
Scale
- · Every targeting rule included
- · Everything in Growth
- · Lowest rate per order
- · No revenue share on upsells
- · Priority support
- · Unlimited orders, no per-order fees
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCartBoost helps merchants increase Average Order Value directly within Shopify checkout. Set dynamic milestone reward progress bars for free shipping and gift tiers that update live with cart totals. Offer high-converting 1-click checkout order bumps and post-purchase upsells with zero checkout friction. Built 100% natively on Checkout Extensibility with no theme code injection or slow scripts.
Carthook turns every order into a second sale. Show one-click upsells after checkout, in checkout (Shopify Plus) and on the thank you page. Design offers right on the page and let customers choose from up to 12 products in one offer. Add product videos, trust badges, FAQs, links and your best photos. Offer subscribe and save with Recharge or Seal.
- Checkout progress bar with tiered milestone rewards
- One-click order bumps placed directly inside native checkout
- Post-purchase 1-click upsells displayed right after payment
- Visual checkout customizer block with live admin simulator
- Drag & Drop builder to create BOGO, discount and bundle post-purchase offers
- Our One-Click Upsells allow easy repeat purchases without re-entering details
- Effectively refine sales strategies with our A/B Testing feature
- Customize offers based on customer location and tags with advanced funnels
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 |  CartHook Upsell | |
|---|---|---|
| Detected stores | Not published | 118 |
| Net store change, 28 days | 0 | +1 |
| Stores added, 28 days | Not enough data | 1 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco |
| Top store countries | Not published | United States, Australia, United Kingdom |
Reviews
| Measure | CartHook Upsell | |
|---|---|---|
| App Store rating | Not published | 4.1 ★ |
| App Store reviews | Not published | 92 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CartHook Upsell | |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $49/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 2 | 3 |
Listing
| Measure | CartHook Upsell | |
|---|---|---|
| Shopify category rank | Not enough data | #353 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 4, 2026 | Oct 9, 2020 |
| Languages | 1 | 19 |
| Developer | ModApps | CartHook |
FAQ
CartBoost and CartHook Upsell: common questions
- Is CartBoost or CartHook Upsell cheaper?
- Only CartBoost lists a free plan. Paid plans start at $9.99/month for CartBoost and $49/month for CartHook Upsell. 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?
- CartBoost lists 5 the others don’t mention, such as Checkout upsell, Click-through rates, Free gifts, Free shipping. CartHook Upsell lists 6 the others don’t mention, such as A/B testing, Drag-and-drop editor, Funnel performance, Multi-language. 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 4, 2026 for CartBoost, Nov 5, 2026 for CartHook 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 Nov 4, 2026 for CartBoost, Nov 5, 2026 for CartHook 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.