At Once Inventory vs BulkStock
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026.
The short answer
- Paid plans start at $125/month for At Once Inventory and $8/month for BulkStock.
- At Once Inventory lists 7 features BulkStock’s listing doesn’t mention, including Barcodes, Import and export, Multi-location.
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
$8/month
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.
How BulkStock helps merchants Updating inventory in Shopify usually means editing products one by one, which is slow for stores with many SKUs. BulkStock lets merchants filter by tag, title, low stock, or location, then set quantities for up to 1,000 matching products in one action. That cuts manual work and helps keep stock accurate across locations.
- 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
- Bulk updates — Set inventory for up to 1,000 products in one action.
- Smart filters — Target products by tag, title, or low-stock threshold.
- Location-specific — Update stock for a single warehouse or location.
- Update all matching — Apply filters and update every matching product in one ste
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 |  BulkStock |
|---|---|---|
| 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 | BulkStock |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | 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 | BulkStock |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $125/month | $8/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 1 | 1 |
Listing
| Measure | At Once Inventory | BulkStock |
|---|---|---|
| Shopify category rank | #248(ahead) | #256 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Apr 30, 2026 | Mar 31, 2026 |
| Languages | 1 | 1 |
| Developer | At Once | Blackbird IT Consultants |
FAQ
At Once Inventory and BulkStock: common questions
- Is At Once Inventory or BulkStock cheaper?
- Paid plans start at $125/month for At Once Inventory and $8/month for BulkStock. 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 7 the others don’t mention, such as Barcodes, Import and export, Multi-location, Real-time updates. BulkStock lists 1 the others don’t mention, such as Inventory planning. 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; 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. 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.