Assembly Line Pro vs StockFlow
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Jul 13, 2026 for Assembly Line Pro, Aug 17, 2026 for StockFlow.
The short answer
Head to head
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStop tracking components for your kits or manufactured products by hand. Assembly Lin Pro brings advanced Bill of Materials (BOM) management straight into Shopify. Easily create product recipes and keep inventory in sync automatically with every order, refund, or cancellation. Get accurate, real-time insights into your material inventory.
StockFlow helps retailers manage purchasing and inventory inside Shopify admin. Create purchase orders and generate branded PDFs for suppliers. Receive full or partial shipments, log rejections, and sync received quantities to the correct Shopify location so on-hand counts stay accurate. StockFlow updates landed cost per unit as you receive stock and suggests reorder quantities from your sales history.
- Inventory updates push to Shopify the moment your stock changes.
- Incoming orders reserve raw materials instantly, cascading to sellable products.
- Define your Bill of Materials, the app will track the rest.
- Refunds/Cancellation will add raw material stock back into inventory.
- Create purchase orders and generate branded PDFs for your suppliers
- Receive full or partial shipments and log rejections with reasons
- Sync received quantities to the correct Shopify location automatically
- Track landed cost per unit and COGS as you receive stock
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 |  Assembly Line Pro |  StockFlow |
|---|---|---|
| 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 | Assembly Line Pro | StockFlow |
|---|---|---|
| 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 |
Pricing
| Measure | Assembly Line Pro | StockFlow |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Assembly Line Pro | StockFlow |
|---|---|---|
| Shopify category rank | #211(ahead) | #252 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 18, 2026 | Aug 17, 2026 |
| Languages | 1 | 1 |
| Developer | Tofu Solution | Plinth |
FAQ
Assembly Line Pro and StockFlow: common questions
- 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 Jul 13, 2026 for Assembly Line Pro, Aug 17, 2026 for StockFlow; 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 Jul 13, 2026 for Assembly Line Pro, Aug 17, 2026 for StockFlow. 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.