ESC Cart Convert vs Cartboost ‑ Cart Upselling
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 30, 2026 for ESC Cart Convert, Nov 7, 2026 for Cartboost.
The short answer
- Only ESC Cart Convert lists a free plan. Paid plans start at $19/month for ESC Cart Convert and $7/month for Cartboost.
- Cartboost lists 8 features ESC Cart Convert’s listing doesn’t mention, including Checkout upsell, Click-through rates, Conversion rates.
Head to head
Product Upsell & Cross sell
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic
- · Display as a pop up or on the page
- · Offer products by type, collection or product
- · Spend threshold offers
- · Unlimited product recommendations
Premium
- · All Basic plan features
- · Build complex custom offers
- · Customer group offers
- · Returning customer offers
- · Upsell and cross sell offers
Basic Plan
- · 1 Active Upsell at a time
- · CartBar Upsells
- · Incart Upsells
- · Includes
Enterprise
- · 3 Active Upsells at a time
- · Analytics
- · CartBar Upsells
- · Incart Upsells
- · Includes
Shopify Plus
- · Analytics
- · CartBar Upsells
- · Incart Upsells
- · Includes
- · Unlimited Active Upsells at a time
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMaximise the opportunity to cross-sell and upsell related products relevant to an ongoing purchase. For example, a customer buys a wool jumper, so you might upsell to a more expensive item by recommending a cashmere jumper, or cross sell them a matching scarf. If you offer free shipping based on a minimum spend, Cart Convert can present recommended products that will help them meet the free delivery requirements.
Getting people to come to your online store to buy your items can be difficult. That's where Cartboost comes in. Using Cartboost, online e-commerce stores are able to create in-cart upsells and cart page optimizations. The app is able add upsells to your cart funnel process from browsing to checkout, creating a seamless experience for your customers.
- Create offers for customers, to increase average order value.
- Upsell higher value products, or cross-sell based on what's been added to cart.
- Recommend related products to encourage more items to be added to cart.
- Create smart in cart upsells to enhance your store’s AOV
- Add CartBar on your cart page to enhance conversions
- View Analytics from an easy to use dashboard
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 |  ESC Cart Convert |  Cartboost |
|---|---|---|
| Detected stores | Not published | 4 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Health & Beauty, Services |
| Top store countries | Not published | United States |
Reviews
| Measure | ESC Cart Convert | Cartboost |
|---|---|---|
| App Store rating | 4.8 ★ | Not published |
| App Store reviews | 24 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | ESC Cart Convert | Cartboost |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $19/month | $7/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 2 | 3 |
Listing
| Measure | ESC Cart Convert | Cartboost |
|---|---|---|
| Shopify category rank | #417(ahead) | #652 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 16, 2016 | Aug 6, 2025 |
| Languages | 1 | 1 |
| Developer | Eastside Co® | Cartboost |
FAQ
ESC Cart Convert and Cartboost: common questions
- Is ESC Cart Convert or Cartboost cheaper?
- Only ESC Cart Convert lists a free plan. Paid plans start at $19/month for ESC Cart Convert and $7/month for Cartboost. 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 8 the others don’t mention, such as Checkout upsell, Click-through rates, Conversion rates, Free gifts. 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 30, 2026 for ESC Cart Convert, Nov 7, 2026 for Cartboost; 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 30, 2026 for ESC Cart Convert, Nov 7, 2026 for Cartboost. 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.