CartSync ‑ Persistent Cart vs OmniCart: Persistent Cart Sync
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 13, 2026 for OmniCart.
The short answer
- Only OmniCart lists a free plan.
- CartSync and OmniCart list the same 1 features.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · 25 Storefront Cart Syncs Total
- · Cross-device cart sync
- · Free & unlimited for dev stores
- · Guest-to-account cart merge
- · KPI Dashboard
- · Unsynced Shopper Detection
Growth
- · Cross-device cart sync
- · Customer Device Breakdown
- · Device & Browser Analytics
- · Free & unlimited for dev stores
- · Guest-to-account cart merge
- · KPI Dashboard
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.
Customers don't shop on just one device anymore. They browse on mobile, continue on their laptop, and complete their purchase later. OmniCart automatically keeps shopping carts synchronized across devices and sessions after customers sign in—creating a seamless shopping experience that helps reduce cart abandonment and improves customer satisfaction.
- 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
- Cart follows customers across devices
- Restore carts automatically after login
- Reduce abandoned carts
- Faster checkout for returning customers
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 |  OmniCart |
|---|---|---|
| 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 | CartSync | OmniCart |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 3 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
CartSync and OmniCart: common questions
- Is CartSync or OmniCart cheaper?
- Only OmniCart lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- 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 13, 2026 for OmniCart; 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 13, 2026 for OmniCart. 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.