StockTwin vs Trunk ‑ Stock Sync & Bundling
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for StockTwin, Oct 31, 2026 for Trunk.
The short answer
- Only StockTwin lists a free plan. Paid plans start at $9.99/month for StockTwin and $35/month for Trunk.
- Trunk lists 12 features StockTwin’s listing doesn’t mention, including Auto-updates, Automated alerts, Bulk.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
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
Essential
- · 14-day free trial
- · Live chat and email support
- · Low stock level alerts
- · Real-time stock level syncing
- · Unlimited sales channels
Pro
- · 14-day free trial
- · Bundling & kitting
- · Duplicate SKU syncing
- · Everything in the Essential plan, plus:
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSelling 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.
Never oversell again and let Trunk give an extra helping hand with your inventory, giving you back the bandwidth to grow and sell on even more places. Connect all your sales channels with Shopify including: multiple Shopify shops, Amazon, Bandcamp, BigCommerce, eBay, Etsy, Faire, QuickBooks Online, Square POS, Squarespace, TikTok, Walmart, Wix, WooCommerce, Xero, and more. Not selling elsewhere?
- 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
- Automatically keeps stock levels synced in real-time between matching SKUs
- Powerful bundling and kitting to track components and materials
- Low stock level alerts to let you know when to replenish your inventory
- Simple and beautiful interface that puts everything at your fingertips
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 |  StockTwin |  Trunk |
|---|---|---|
| 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 | StockTwin | Trunk |
|---|---|---|
| App Store rating | Not published | 4.9 ★ |
| App Store reviews | Not published | 408 |
| New reviews, 28 days | Not enough data | 1 |
| Reviewers a year or more in | Not enough data | 0% |
FAQ
StockTwin and Trunk: common questions
- Is StockTwin or Trunk cheaper?
- Only StockTwin lists a free plan. Paid plans start at $9.99/month for StockTwin and $35/month for Trunk. 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 11 the others don’t mention, such as Analytics, Barcodes, Detailed logs, Import and export. Trunk lists 12 the others don’t mention, such as Auto-updates, Automated alerts, Bulk, Email 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 Oct 13, 2026 for StockTwin, Oct 31, 2026 for Trunk; 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 13, 2026 for StockTwin, Oct 31, 2026 for Trunk. 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.