Prime Sync ‑ CM vs syncX: Stock Sync & Inventory
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of May 1, 2026 for Prime Sync, Nov 9, 2026 for syncX.
The short answer
- Only syncX lists a free plan.
- syncX lists 46 features Prime Sync’s listing doesn’t mention, including Arts and crafts, Australia, Automatic.
Head to head
Automated inventory update from Google, SFTP,XLSX or ANY feeds
- United States
- United Kingdom
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free Plan
- · 1 update feed/supplier
- · Duplicate SKU sync
- · Import new products
- · Limit 2,000 products
- · Low stock alert
- · Only manual update
Starter
- · 1 to 5 update feed/supplier
- · 60+ connection method
- · Duplicate SKU sync
- · Import new products
- · Limit 500 - 2,500 products
- · Low stock alert
Expert
- · 1 - 25 update feeds/suppliers
- · 60+ connection method
- · AI generated content
- · Advance pricing rules
- · Duplicate SKU sync
- · Limit 5,000 - 100,000 products
Scale
- · 300,000 import new products
- · 60+ connection method
- · Custom API integration & setup
- · Full-stack ERP sync tailored
- · Unlimited Real-time sync priority
- · Unlimited products sync
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStock Sync connects your supplier feeds to your Shopify store and keeps your inventory accurate — automatically. Whether you work with a single supplier or dozens, Stock Sync reads your CSV or Excel files and updates product stock levels in real time, mapped by SKU.
SyncX: Stock Sync is an all-in-one inventory sync & automation app for Shopify. Stop overselling with real-time inventory sync across multiple stores and data sources. Connect Google Sheets, FTP/SFTP, Google Drive, Dropbox, or REST API.
- Automatic Sync Schedule syncs every 1, 6, 12, or 24 hours.
- Any CSV or Excel Feed Point to any publicly accessible URL
- Full Sync History & Change Tracking
- Automate inventory updates seamlessly, minimizing manual work
- Set quantity rules to prevent overselling, ensuring stock accuracy
- Easily remove discontinued products to keep your store updated
- Export stock data to suppliers for accurate inventory tracking
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 |  Prime Sync |  syncX |
|---|---|---|
| Detected stores | Not published | 401 |
| Net store change, 28 days | 0 | −3 |
| Stores added, 28 days | Not enough data | 10 |
| Big-brand share | Not enough data | 12% |
| Top store categories | Not published | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | Not published | United States, United Kingdom, Canada |
Reviews
| Measure | Prime Sync | syncX |
|---|---|---|
| App Store rating | Not published | 4.8 ★ |
| App Store reviews | Not published | 941 |
| New reviews, 28 days | Not enough data | 14 |
| Reviewers a year or more in | Not enough data | 41% |
Pricing
| Measure | Prime Sync | syncX |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $7/month |
| Longest free trial | Not listed | 3 days |
| Plans listed | Not published | 4 |
Listing
| Measure | Prime Sync | syncX |
|---|---|---|
| Shopify category rank | #230 | #3(ahead) |
| Shopify App Charts | Not on this week’s charts | #1 in Inventory sync |
| Built for Shopify | No | Yes |
| Launched | May 1, 2026 | May 15, 2014 |
| Languages | 2 | 4 |
| Developer | Convert Marketing | SyncX |
FAQ
Prime Sync and syncX: common questions
- Is Prime Sync or syncX cheaper?
- Only syncX 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.
- What features does each app list that the other doesn’t?
- Prime Sync lists 7 the others don’t mention, such as Attribute mapping, Custom, Custom notifications, Data import and export. syncX lists 46 the others don’t mention, such as Arts and crafts, Australia, Automatic, Baby products. 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 May 1, 2026 for Prime Sync, Nov 9, 2026 for syncX; 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 May 1, 2026 for Prime Sync, Nov 9, 2026 for syncX. 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.