Cartfix: Cart Drawer & Upsell vs CartStar Slide Cart & Upsell
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 Cartfix, Oct 13, 2026 for CartStar Slide Cart & Upsell.
The short answer
- Only Cartfix lists a free plan. Paid plans start at $7.99/month for Cartfix and $5/month for CartStar Slide Cart & Upsell.
- Cartfix lists 12 features CartStar Slide Cart & Upsell’s listing doesn’t mention, including Additional fees, Countdown timers, Custom CSS.
Head to head
Free
- · Every feature included
- · Live editor and 13 languages
- · Never switched off at the limit
- · Rewards bar, upsells and add-ons
- · Up to 50 orders per 30 days
Starter
- · Every feature included
- · Up to 200 orders per 30 days
Growth
- · Every feature included
- · Up to 1,000 orders per 30 days
Pro
- · Every feature included
- · Unlimited orders
Basic
- · Every feature included
- · Free gift & discount tiers
- · Full design control
- · Post-purchase upsell offers
- · Product recommendations
- · Revenue reports
Starter
- · Every feature included
- · Free gift & discount tiers
- · Full design control
- · Post-purchase upsell offers
- · Product recommendations
- · Revenue reports
Growth
- · Every feature included
- · Free gift & discount tiers
- · Full design control
- · Post-purchase upsell offers
- · Product recommendations
- · Revenue reports
Scale
- · Every feature included
- · Free gift & discount tiers
- · Full design control
- · Post-purchase upsell offers
- · Product recommendations
- · Revenue reports
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCartfix replaces your theme's cart with a fast slide-out drawer that never clashes with your theme. Set up to 4 reward tiers – free shipping, a % discount or a free gift – applied at checkout by the app's discount function. Show recommended products, your own picks and rules, with an optional discount and subscribe & save. Add gift wrap or shipping protection as switches.
CartStar replaces your theme's cart with a slide-out drawer: recommendations, a progress bar toward free shipping, free gift, and discounts. Gifts run on a Shopify Function, so nobody reaches the threshold by adding the gift itself. After checkout, one more offer can charge the same card, so what a shopper accepts joins the order they just placed.
- Rewards bar with up to 4 tiers, applied at checkout by a discount function
- Upsells from recommendations, your picks and rules, with optional discount
- Free gift added and removed automatically, subscribe & save on the line
- EU-ready: no pre-ticked extras or fake timers for EU buyers, 13 languages
- Slide-out cart drawer that replaces your theme cart, or works alongside it
- Progress bar toward free shipping, gift or a percentage off
- Product recommendations drawn from what your customers buy together
- Post-purchase upsell that adds to the order a shopper has already paid for
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 |  CartStar Slide Cart & Upsell | |
|---|---|---|
| Detected stores | Not published | Not published |
| 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 | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | CartStar Slide Cart & Upsell | |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 2 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CartStar Slide Cart & Upsell | |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $7.99/month | $5/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 4 | 4 |
Listing
| Measure | CartStar Slide Cart & Upsell | |
|---|---|---|
| Shopify category rank | Not enough data | #194 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 7, 2026 | Aug 28, 2026 |
| Languages | 2 | 1 |
| Developer | Appsentials | Appify Market |
FAQ
Cartfix and CartStar Slide Cart & Upsell: common questions
- Is Cartfix or CartStar Slide Cart & Upsell cheaper?
- Only Cartfix lists a free plan. Paid plans start at $7.99/month for Cartfix and $5/month for CartStar Slide Cart & 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?
- Cartfix lists 12 the others don’t mention, such as Additional fees, Countdown timers, Custom CSS, Custom HTML. CartStar Slide Cart & Upsell lists 3 the others don’t mention, such as Announcements, Buy more, save more, One-click 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 Nov 7, 2026 for Cartfix, Oct 13, 2026 for CartStar Slide Cart & 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 7, 2026 for Cartfix, Oct 13, 2026 for CartStar Slide Cart & 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.