Bundles.app ‑ Inventory Sync vs Variant Stock Sync
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Bundles.app, Oct 14, 2026 for Variant Stock Sync.
The short answer
- Only Variant Stock Sync lists a free plan. Paid plans start at $19/month for Bundles.app and $9.99/month for Variant Stock Sync.
- Bundles.app lists 26 features Variant Stock Sync’s listing doesn’t mention, including Auto-processing, Bulk pricing, Custom pricing.
Head to head
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Shopify shops
- · Bulk import bundles
- · Plan for non-plus shops.
- · Unlimited Bundle views
- · Unlimited Bundles
Shopify Plus 30K
- · Bulk import bundles
- · Shopify Plus: up to 30K orders/month
- · Unlimited Bundle views
- · Unlimited Bundles
Shopify Plus 100K
- · Bulk import bundles
- · Runs on private servers
- · Shopify Plus: with 30-100K orders/month
- · Unlimited Bundle views
- · Unlimited Bundles
Shopify Plus 100K+
- · Bulk import bundles
- · Runs on private servers
- · Shopify Plus: with >100K orders/month
- · Unlimited Bundle views
- · Unlimited Bundles
Free
- · Unlimited variants per product
- · Up to 3 products
- · Webhook synchronization (real time)
Pro
- · Email support
- · Unlimited variants per product
- · Up to 50 products
- · Webhook synchronization (real time)
Business
- · Automatic detection by AI
- · Email support
- · Scheduled synchronization (3PL)
- · Unlimited Products
- · Unlimited variants per product
- · Webhook synchronization (real time)
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBoost sales and increase your average order value by selling product bundles in your store! Offer multipacks, curated sets, tiered pricing and more. Bundles.app provides an adaptable and intuitive bundle product tool – a fast, flexible pathway to more sales. Easily sell multipacks, fixed bundles or “mix and match” bundles that enable your customers to select options such as size or color.
Sync inventory between product variants sold in different quantities. When a customer buys a pack of 6, stock for packs of 1, 3, and 12 updates automatically. Set a multiplier for each variant, pick a reference, and the app keeps everything in sync via webhooks. Scheduled sync is available for stores using 3PL or external fulfillment providers. Ideal for bundles, multipacks, and wholesale quantities.
- Easily create bundles, multipacks, tiered pricing, curated sets and more.
- Allow customers to build their own bundles, picking variants they love.
- Automatically syncs inventory very fast, sell with confidence.
- No discount codes used - Discount codes can still be used in the checkout.
- Multiplier-based stock calculation for any bundle or pack ratio
- Real-time inventory sync between variants via Shopify webhooks
- Scheduled sync for 3PL and external fulfillment workflows
- Multi-location inventory filtering for complex warehouse setups
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 |  Bundles.app |  Variant Stock Sync |
|---|---|---|
| Detected stores | 851 | Not published |
| Net store change, 28 days | −9 | 0 |
| Stores added, 28 days | 34 | Not enough data |
| Big-brand share | 9% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, United Kingdom, Australia | Not published |
Reviews
| Measure | Bundles.app | Variant Stock Sync |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 324 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | 68% | Not enough data |
Pricing
| Measure | Bundles.app | Variant Stock Sync |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $19/month | $9.99/month(ahead) |
| Longest free trial | 15 days | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | Bundles.app | Variant Stock Sync |
|---|---|---|
| Shopify category rank | #78 | #214 |
| Shopify App Charts | #12 in Product bundles | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Mar 10, 2016 | Apr 23, 2026 |
| Languages | 1 | 2 |
| Developer | Gazebo | Topicimes |
FAQ
Bundles.app and Variant Stock Sync: common questions
- Is Bundles.app or Variant Stock Sync cheaper?
- Only Variant Stock Sync lists a free plan. Paid plans start at $19/month for Bundles.app and $9.99/month for Variant Stock Sync. 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?
- Bundles.app lists 26 the others don’t mention, such as Auto-processing, Bulk pricing, Custom pricing, Digital products. Variant Stock Sync lists 12 the others don’t mention, such as AI optimization, Automatic, Bulk, Bulk processing. 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 8, 2026 for Bundles.app, Oct 14, 2026 for Variant Stock Sync; 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 8, 2026 for Bundles.app, Oct 14, 2026 for Variant Stock Sync. 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.