Cross • Build Your Own Bundles vs Solid Bundles: Inventory Sync
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 Cross • Build Your Own Bundles, Oct 28, 2026 for Solid Bundles.
The short answer
- Only Solid Bundles lists a free plan. Paid plans start at $49/month for Cross • Build Your Own Bundles and $12.90/month for Solid Bundles.
- Cross • Build Your Own Bundles lists 14 features Solid Bundles’s listing doesn’t mention, including BOGO, Build a box, Bulk pricing.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Performance
Free
- · Automatic bundle health checks
- · Cart Transform pricing, set server-side
- · Per-location stock
- · Up to 5 active bundles
Growth
- · Bundle suggestions from your orders
- · Everything in Free
- · Up to 20 active bundles
Unlimited
- · Bundle suggestions from your orders
- · Everything in Growth
- · Unlimited active bundles
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCrossBundle lets merchants create fully customizable product bundles. Shoppers can select items themselves from pre-configured buy, get, and optional slots. Set minimum and maximum selections, quantity limits, and flexible bundle rules. Real-time performance tracking and inventory sync ensure accurate stock management. Compatible with all themes using native app blocks for seamless integration.
Solid Bundles creates each bundle as a normal Shopify product, so it works with your theme, reports, and sales channels. Bundle stock counts only kits that are complete at one of the locations you chose. That number is displayed on the product; it does not block checkout. The bundle total is set server side with Cart Transform, so it cannot drift when your theme changes.
- Customizable bundle builder: Configure bundles with buy, get, and optional items
- Flexible bundle discounts and rules: fixed, percentage and optional discounts
- Real-time performance tracking: Monitor bundle performance and sales
- 2.0+ Theme compatibility: Works with all themes using native app blocks
- Inventory counted per fulfillment location, so bundles never oversell
- Server-side Cart Transform totals that theme changes cannot break
- Automatic health checks every few hours, with an email before customers notice
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 |  Cross • Build Your Own Bundles |  Solid Bundles |
|---|---|---|
| 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 | Cross • Build Your Own Bundles | Solid Bundles |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 4 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Cross • Build Your Own Bundles | Solid Bundles |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $49/month | $12.90/month(ahead) |
| Longest free trial | Not listed | 7 days |
| Plans listed | 1 | 3 |
Listing
| Measure | Cross • Build Your Own Bundles | Solid Bundles |
|---|---|---|
| Shopify category rank | #175 | #420 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Dec 19, 2025 | Jul 27, 2026 |
| Languages | 1 | 10 |
| Developer | CrossApps | addson |
FAQ
Cross • Build Your Own Bundles and Solid Bundles: common questions
- Is Cross • Build Your Own Bundles or Solid Bundles cheaper?
- Only Solid Bundles lists a free plan. Paid plans start at $49/month for Cross • Build Your Own Bundles and $12.90/month for Solid Bundles. 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?
- Cross • Build Your Own Bundles lists 14 the others don’t mention, such as BOGO, Build a box, Bulk pricing, Cart discounts. Solid Bundles lists 1 the others don’t mention, such as Frequently bought together. 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 Cross • Build Your Own Bundles, Oct 28, 2026 for Solid Bundles; 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 Cross • Build Your Own Bundles, Oct 28, 2026 for Solid Bundles. 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.