EZ Inventory ‑ Quantity Update vs Prime Sync ‑ CM
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for EZ Inventory, May 1, 2026 for Prime Sync.
The short answer
- Prime Sync lists 9 features EZ Inventory’s listing doesn’t mention, including Attribute mapping, Automated alerts, Custom.
Head to head
Automated inventory updates and low stock alerts. Made easy.
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic
- · 2,500 Variants in Shopify
- · 25 MB Max File Size
- · 3 Data Feeds / Scheduled Updates
- · FTP / SFTP / Web Feeds
- · Hourly / Daily Schedule
- · Map Variants by Metafield
Professional
- · 10 Data Feeds / Scheduled Updates
- · 10,000 Variants in Shopify
- · 50 MB Max File Size
- · Error Notifications via Email
Advanced
- · 100 MB Max File Size
- · 15 Data Feeds / Scheduled Updates
- · 25,000 Variants in Shopify
Custom 250K
- · 250 MB Max File Size
- · 250,000 Variants in Shopify
- · 30 Data Feeds / Scheduled Updates
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBulk update the "Available" or "On Hand" inventory quantities in Shopify by manually uploading a file or automatically pulling the data from an FTP/SFTP server or a website URL (such as a Google Sheets or Dropbox shared link). Supports CSV, Excel, JSON, and XML formats. Set up multiple supplier feeds / inventory feeds, multi-location support, and schedule automated inventory sync hourly or daily.
Stock 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.
- Automate inventory updates or manually upload a file to do a bulk update.
- Simple setup, only requires 2 fields: the item ID (e.g. SKU) and quantity.
- Supports CSV/TSV/TXT, XLS, XLSX, XML, and JSON feed formats.
- Supports reading data feeds from an FTP/SFTP server or a public website URL.
- 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
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 |  EZ Inventory |  Prime Sync |
|---|---|---|
| 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 | EZ Inventory | Prime Sync |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 17 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | EZ Inventory | Prime Sync |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $19.95/month | No monthly plan listed |
| Longest free trial | 7 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | EZ Inventory | Prime Sync |
|---|---|---|
| Shopify category rank | #168(ahead) | #230 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 22, 2018 | May 1, 2026 |
| Languages | 1 | 2 |
| Developer | Highview Apps LLC | Convert Marketing |
FAQ
EZ Inventory and Prime Sync: common questions
- What features does each app list that the other doesn’t?
- EZ Inventory lists 5 the others don’t mention, such as Automatic, Bulk, Manual, Scheduled. Prime Sync lists 9 the others don’t mention, such as Attribute mapping, Automated alerts, Custom, Custom notifications. 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 13, 2026 for EZ Inventory, May 1, 2026 for Prime Sync; 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 13, 2026 for EZ Inventory, May 1, 2026 for Prime Sync. 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.