StockBridge ‑ Inventory Sync 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 StockBridge, Oct 31, 2026 for Trunk.
The short answer
- On the Shopify App Store: StockBridge 5.0 from 2 reviews and Trunk 4.9 from 408 reviews.
- Only StockBridge lists a free plan. Paid plans start at $9.99/month for StockBridge and $35/month for Trunk.
- Trunk lists 11 features StockBridge’s listing doesn’t mention, including Auto-updates, Automated alerts, Bulk.
Head to head
Multiple shops, Amazon, eBay, Etsy, Faire, QBO, Square, & more
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 sync rule
- · 2 stores
- · 50 SKUs per connection
- · One-way sync
Starter
- · 2 stores
- · 5 sync rules
- · 500 SKUs per connection
- · Bidirectional sync
- · Real-time webhooks
Growth
- · % sync
- · 5 stores
- · 5,000 SKUs per connection
- · All conflict modes
- · Drift analytics
- · Priority support
Business
- · 10 stores
- · 20,000 SKUs per connection
- · API access
- · Dedicated support
- · Multi-location
- · Shopify Flow (coming soon)
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 featureStockBridge keeps inventory in sync across all your stores automatically. When stock changes in one store after an order, refund, or restock, quantities update in real time on every connected store. Match products by SKU or barcode, set buffer stock, and choose one-way or two-way sync per store or product group. See drift reports and a full activity log so you always know what changed and why.
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?
- Real-time inventory sync between stores via webhooks — updates in seconds
- Auto-detect product matches across stores by SKU or barcode — no manual work
- Bidirectional sync, buffer stock, and custom rules per product or collection
- Drift analytics and full activity log for complete inventory audit trail
- 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 |  StockBridge |  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 | StockBridge | Trunk |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.9 ★ |
| App Store reviews | 2 | 408(ahead) |
| New reviews, 28 days | Not enough data | 1 |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | StockBridge | Trunk |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $35/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 4 | 2 |
Listing
| Measure | StockBridge | Trunk |
|---|---|---|
| Shopify category rank | #255 | #34(ahead) |
| Shopify App Charts | Not on this week’s charts | #5 on Featured by Shopify in Inventory sync |
| Built for Shopify | No | No |
| Launched | May 5, 2026 | Aug 29, 2019 |
| Languages | 1 | 1 |
| Developer | Meridian Apps | Trunk |
FAQ
StockBridge and Trunk: common questions
- Is StockBridge or Trunk cheaper?
- Only StockBridge lists a free plan. Paid plans start at $9.99/month for StockBridge 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.
- Which has better reviews, StockBridge or Trunk?
- On the Shopify App Store: StockBridge 5.0 from 2 reviews and Trunk 4.9 from 408 reviews.
- What features does each app list that the other doesn’t?
- StockBridge lists 4 the others don’t mention, such as Barcodes, Detailed logs, Performance metrics, Real-time status. Trunk lists 11 the others don’t mention, such as Auto-updates, Automated alerts, Bulk, 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 Oct 13, 2026 for StockBridge, 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 StockBridge, 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.