MyAtOnce vs Weld
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 19, 2026 for MyAtOnce, Oct 13, 2026 for Weld.
The short answer
- MyAtOnce lists 10 features Weld’s listing doesn’t mention, including Automated alerts, Automatic, Fulfillment.
Head to head
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSave time and eliminate errors with two-directional syncing. Product data and inventory will push to Shopify, then when items sell, the inventory will sync back to MyAtOnce and other systems like ERP and 3PL. Orders from Shopify will push into MyAtOnce so the data can be sent to 3PL warehouse to ship and retrieve the fulfillment details then sync back into Shopify and ERP.
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- Sync orders, inventory and fulfillment data between systems like 3PL, ERP and b2
- Maintain inventory between multiple b2c marketplaces like Amazon, Houzz, Wayfair
- Push product data and images from MyAtOnce b2b platform for Shopify when the pro
- Extract all your data from Shopify to your own data warehouse
- Model and aggregate your data even across multiple stores
- Activate your data by pushing it to other systems, like CRM and analytics tools
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 |  MyAtOnce |  Weld |
|---|---|---|
| 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 | MyAtOnce | Weld |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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
MyAtOnce and Weld: common questions
- What features does each app list that the other doesn’t?
- MyAtOnce lists 10 the others don’t mention, such as Automated alerts, Automatic, Fulfillment, Inventory alerts. 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 Feb 19, 2026 for MyAtOnce, Oct 13, 2026 for Weld; 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 Feb 19, 2026 for MyAtOnce, Oct 13, 2026 for Weld. 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.