CartSync ‑ Persistent Cart vs R+ Persistent Cart | Headless
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Sep 11, 2026 for CartSync, Oct 16, 2026 for R+ Persistent Cart.
The short answer
- On the Shopify App Store: CartSync 5.0 from 3 reviews and R+ Persistent Cart 5.0 from 4 reviews.
- R+ Persistent Cart lists 3 features CartSync’s listing doesn’t mention, including Automated workflows, Multi-language, Triggers.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Shopify Basic/Grow
- · Browser API Access
- · Cross-Device browser Cart Sync
- · Free for development stores
- · No limit on cart lifetime
- · No limit on cart numbers
- · Optional customer notifications
Shopify Advanced
- · Browser API Access
- · Cross-Device browser Cart Sync
- · Free for development stores
- · No limit on cart lifetime
- · No limit on cart numbers
- · Optional customer notifications
Shopify Plus
- · Browser API Access
- · Cross-Device browser Cart Sync
- · Free for development stores
- · No limit on cart lifetime
- · No limit on cart numbers
- · Optional customer notifications
Headless
- · /headless/sync: 10 rps per API key
- · Free for development stores
- · Headless and Browser API Access
- · Headless and browser cart sync
- · Long-term cart lifetime
- · No limit on cart numbers
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCartSync saves every logged-in customer's cart and restores it on any device — automatically. Set merge or replace mode, sync in the background on every cart change, and send automated emails for price drops, back-in-stock alerts, and idle carts. Connects to Klaviyo or your own SMTP. Works with any Shopify theme, no code required. Built with official Shopify APIs.
Carts follow the customer across browsers and devices, and now across sales channels too, through the new Headless API. Install on your Shopify theme and browser-to-browser sync runs straight away, nothing to configure. Add the Headless API when you want the same cart in mobile app builders, native iOS and Android apps, or Hydrogen stores.
- Saves logged-in customer carts to their account automatically
- Restores saved carts on any device a customer signs in from
- Choose merge or replace when a saved cart is restored
- Syncs in the background on every cart add, update, or remove
- Real-time updating of your customers’ carts on both mobile & desktop
- Stores unlimited carts for an unlimited duration. No caps, no expiry
- API access included, offering full flexibility and seamless integration
- Works with any Shopify theme immediately, with no additional modifications








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 | CartSync | R+ Persistent Cart |
|---|---|---|
| Detected stores | Not published | 5 |
| 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 | Apparel & Accessories, Electronics |
| Top store countries | Not published | Saudi Arabia |
Reviews
| Measure | CartSync | R+ Persistent Cart |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 3 | 4(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CartSync | R+ Persistent Cart |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $15/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | Not published | 4 |
Listing
| Measure | CartSync | R+ Persistent Cart |
|---|---|---|
| Shopify category rank | #50(ahead) | #83 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 6, 2026 | Jan 13, 2026 |
| Languages | 1 | 1 |
| Developer | ecom | Refactor Plus Systems and Software LLC |
FAQ
CartSync and R+ Persistent Cart: common questions
- Which has better reviews, CartSync or R+ Persistent Cart?
- On the Shopify App Store: CartSync 5.0 from 3 reviews and R+ Persistent Cart 5.0 from 4 reviews.
- What features does each app list that the other doesn’t?
- R+ Persistent Cart lists 3 the others don’t mention, such as Automated workflows, Multi-language, Triggers. 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 Sep 11, 2026 for CartSync, Oct 16, 2026 for R+ Persistent Cart; 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 Sep 11, 2026 for CartSync, Oct 16, 2026 for R+ Persistent Cart. 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.










