NASP Connected Inventory vs StockTwin
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 6, 2026 for NASP Connected Inventory, Oct 13, 2026 for StockTwin.
The short answer
- Only StockTwin lists a free plan. Paid plans start at $9.99/month for NASP Connected Inventory and $9.99/month for StockTwin.
- StockTwin lists 12 features NASP Connected Inventory’s listing doesn’t mention, including Analytics, Automatic, Barcodes.
Head to head
Sync inventory quantity across product, variant and bundle
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic
- · Unlimited bundle groups
- · Unlimited manual groups
- · Unlimited smart groups (same SKU)
Advance
- · Connect your favorite AI agents
- · Everything in the Basic plan
- · Manage inventory groups through the API
Free
- · Limited sync (orders & refunds)
- · Manual SKU discovery
- · Manual sync
- · Up to 5 SKU groups
Pro
- · Auto-reconcile
- · Barcode sync
- · CSV export
- · Full sync mode
- · Low stock alerts
- · Safety stock
Business
- · All Pro features included
- · Bundles & kits
- · CSV import & export
- · Exclusion rules
- · Sync rules
- · Unlimited SKU groups
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureConnected Inventory synchronizes stock levels across your Shopify products and variants. Effortlessly link items by SKU, manually select products to connect, or define components for bundle products like gift hampers or wine boxes. This app fully supports Shopify’s multi-location inventory feature, ensuring accurate stock management.
Selling the same product under multiple listings, photos, or collections? StockTwin links every variant that shares a SKU or barcode and keeps their inventory perfectly in sync across all your locations, in real time. When one sells, the rest update instantly, so you never oversell or show wrong stock counts again.
- Selling bundle and tracking the inventory of base products correctly
- Connect multiple products/variant’s inventory by assigning the same SKU
- Connect multiple products/variant’s inventory by manually picking
- Sync stock across duplicate SKUs and barcodes in real time
- Sell bundles and kits without overselling their components
- Reserve safety stock for wholesale and off-channel sales
- Bulk sync hundreds of SKUs, import/export setup as CSV
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 |  NASP Connected Inventory |  StockTwin |
|---|---|---|
| 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 | NASP Connected Inventory | StockTwin |
|---|---|---|
| App Store rating | 4.0 ★ | Not published |
| App Store reviews | 52 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | NASP Connected Inventory | StockTwin |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $9.99/month | $9.99/month |
| Longest free trial | 7 days | 7 days |
| Plans listed | 2 | 3 |
Listing
| Measure | NASP Connected Inventory | StockTwin |
|---|---|---|
| Shopify category rank | #124(ahead) | #156 |
| Shopify App Charts | #3 on Pricing moves in Inventory optimization | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 9, 2017 | Jun 3, 2026 |
| Languages | 1 | 1 |
| Developer | Not A Side Project | Craft Lab |
FAQ
NASP Connected Inventory and StockTwin: common questions
- Is NASP Connected Inventory or StockTwin cheaper?
- Only StockTwin lists a free plan. Paid plans start at $9.99/month for NASP Connected Inventory and $9.99/month for StockTwin. 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?
- StockTwin lists 12 the others don’t mention, such as Analytics, Automatic, Barcodes, Data import and export. 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 Nov 6, 2026 for NASP Connected Inventory, Oct 13, 2026 for StockTwin; 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 Nov 6, 2026 for NASP Connected Inventory, Oct 13, 2026 for StockTwin. 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.