CartHook Upsell vs Comet: Campaign Funnel Builder
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for CartHook Upsell, Oct 13, 2026 for Comet.
The short answer
- On the Shopify App Store: CartHook Upsell 4.1 from 93 reviews and Comet 5.0 from 3 reviews.
- Only Comet lists a free plan. Paid plans start at $49/month for CartHook Upsell and $49/month for Comet.
- Comet lists 31 features CartHook Upsell’s listing doesn’t mention, including AI generation, Analytics, Announcement bar.
Head to head
Build post-purchase upsells | Accept with 1-click | Boost AOV!
- 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.
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
Install
- · Test features in preview mode
Starter
- · 10,000 monthly sessions
- · 14+ customizable sections
- · Boost CVR 2 with tailored product pages
- · Experiment with up to 5 funnel AB tests
- · Increase AOV with promotions & upsell
- · Increase CRV 1 with custom landing pages
Growth
- · 25 A/B tests
- · 3 Shopify Parent Stores
- · 5 team members
- · 50,000 monthly sessions
- · Launch Micro-stores with Claude & Codex
- · Unlimited micro-stores
Pro
- · 200,000 monthly sessions
- · Bulk Micro-store generation for creators
- · Connect multiple parent Shopify stores
- · Launch Micro-stores with Claude & Codex
- · Unlimited A/B test tests
- · Unlimited team members
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCarthook 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.
Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates.
- 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
- Build tailored social commerce funnels for social ads or influencers.
- Customize every step of the funnel with our no-code drag&drop builder.
- Track sales, conversion rates and ROI in real time with built-in analytics.
- Create co-branded influencer, affiliate and video shops with custom branding.
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 |  Comet |
|---|---|---|
| Detected stores | 118 | Not published |
| Net store change, 28 days | +1 | 0 |
| Stores added, 28 days | 1 | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | CartHook Upsell | Comet |
|---|---|---|
| App Store rating | 4.1 ★ | 5.0 ★(ahead) |
| App Store reviews | 93(ahead) | 3 |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CartHook Upsell | Comet |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $49/month | $49/month |
| Longest free trial | 14 days | 7 days |
| Plans listed | 3 | 4 |
Listing
| Measure | CartHook Upsell | Comet |
|---|---|---|
| Shopify category rank | #357 | #167 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 9, 2020 | Feb 24, 2025 |
| Languages | 19 | 1 |
| Developer | CartHook | Comet Rocks GmbH |
FAQ
CartHook Upsell and Comet: common questions
- Is CartHook Upsell or Comet cheaper?
- Only Comet lists a free plan. Paid plans start at $49/month for CartHook Upsell and $49/month for Comet. 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, CartHook Upsell or Comet?
- On the Shopify App Store: CartHook Upsell 4.1 from 93 reviews and Comet 5.0 from 3 reviews.
- What features does each app list that the other doesn’t?
- CartHook Upsell lists 1 the others don’t mention, such as Thank you page upsell. Comet lists 31 the others don’t mention, such as AI generation, Analytics, Announcement bar, APIs and webhooks. 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 7, 2026 for CartHook Upsell, Oct 13, 2026 for Comet; 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 7, 2026 for CartHook Upsell, Oct 13, 2026 for Comet. 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.