BundleSync 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 23, 2026 for BundleSync, Nov 8, 2026 for Trunk.
The short answer
- Only BundleSync lists a free plan. Paid plans start at $9.99/month for BundleSync and $35/month for Trunk.
- Trunk lists 11 features BundleSync’s listing doesn’t mention, including Auto-updates, Data import and export, Email alerts.
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
Pro
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 featureBundleSync automatically keeps your bundle product inventory in sync with component stock levels. It calculates available quantity for each bundle based on the minimum stock of its components, ensuring you never oversell. Inventory changes are monitored in real-time through webhooks. Manual syncs and scheduled hourly syncs are also available for accuracy.
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 bundle inventory sync based on component stock levels
- Low stock alerts when component inventory falls below your set threshold
- Manual and scheduled sync options for flexible inventory management
- 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 |  BundleSync |  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 | BundleSync | Trunk |
|---|---|---|
| App Store rating | Not published | 4.9 ★ |
| App Store reviews | Not published | 408 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | BundleSync | Trunk |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $35/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 2 | 2 |
Listing
| Measure | BundleSync | Trunk |
|---|---|---|
| Shopify category rank | Not enough data | #34 |
| Shopify App Charts | Not on this week’s charts | #4 on Featured by Shopify in Inventory sync |
| Built for Shopify | No | No |
| Launched | Mar 5, 2026 | Aug 29, 2019 |
| Languages | 2 | 1 |
| Developer | IncreoScale | Trunk |
FAQ
BundleSync and Trunk: common questions
- Is BundleSync or Trunk cheaper?
- Only BundleSync lists a free plan. Paid plans start at $9.99/month for BundleSync 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?
- BundleSync lists 4 the others don’t mention, such as Alert settings, Auto-alerts, Custom notifications, Scheduled. Trunk lists 11 the others don’t mention, such as Auto-updates, Data import and export, Email alerts, 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 Oct 23, 2026 for BundleSync, Nov 8, 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 23, 2026 for BundleSync, Nov 8, 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.