At Once Inventory vs MT: Stocktake & Stock Count
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for At Once Inventory, Oct 27, 2026 for MT.
The short answer
- Only MT lists a free plan. Paid plans start at $125/month for At Once Inventory and $9/month for MT.
- At Once Inventory lists 6 features MT’s listing doesn’t mention, including Import and export, Inventory sync, Real-time updates.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Monthly Plan
- · CSV Import & Exports
- · Forecasting & low stock notifications
- · Inventory drift log from Shopify errors
- · Multi-location stock tracking
- · Purchase Orders & Receiving
- · Stock takes
Free
- · 2 devices per count
- · 30-day history
- · 5,000 variants per count
- · All locations
- · Blind counts, count by collection/tag
- · Phone scanner in 6 languages
Standard
- · 1-year history
- · 10,000 variants per count
- · 5 devices per count
- · Excel/CSV export, printable reports
- · Scheduled cycle counting
- · Unlimited locations
Plus
- · 2-year history
- · Excel/CSV export, printable reports
- · Scheduled cycle counting
- · Unlimited locations, variants, devices
- · Zones and shrinkage report
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAt Once gives Shopify merchants complete inventory control. Track stock live across all locations, manage your full product catalog, and create products with auto-generated SKUs and barcodes. Scan barcodes for stocktakes and receiving. Import and export via CSV, bulk edit variants, run detailed stocktakes, and transfer stock between locations. Purchase orders, returns, edits, and cancellations sync automatically.
Replacing Stocky? Free plan with no trial and no time limit, for the shop floor and the stockroom. Any iPhone or Android phone becomes a scanner, or count from the Shopify POS till: no login, no scanner gun. No barcode? Type its name. Blind counts hide the expected quantity. Offline scans stay on the phone until sent.
- Build and manage your full product catalog with auto-generated SKUs and barcodes
- Create purchase orders by location, scan to receive, and push stock to Shopify
- Adjust inventory across all locations in real time with bulk edit and CSV export
- Run multi-user stocktakes by location with barcode scanning and auto-save
- Count with any phone camera via a QR code — no app to install, works offline
- Several phones count the same session; every scan logged and undoable
- Review over, under, not counted and unknown codes before anything is written
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 |  At Once Inventory |  MT |
|---|---|---|
| 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 | At Once Inventory | MT |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 2 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | At Once Inventory | MT |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $125/month | $9/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 1 | 3 |
Listing
| Measure | At Once Inventory | MT |
|---|---|---|
| Shopify category rank | #245(ahead) | #284 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Apr 30, 2026 | Sep 17, 2026 |
| Languages | 1 | 1 |
| Developer | At Once | Merchant tools |
FAQ
At Once Inventory and MT: common questions
- Is At Once Inventory or MT cheaper?
- Only MT lists a free plan. Paid plans start at $125/month for At Once Inventory and $9/month for MT. 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?
- At Once Inventory lists 6 the others don’t mention, such as Import and export, Inventory sync, Real-time updates, SKUs. MT lists 1 the others don’t mention, such as Scanners. 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 14, 2026 for At Once Inventory, Oct 27, 2026 for MT; 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 14, 2026 for At Once Inventory, Oct 27, 2026 for MT. 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.