CaseBreaker ‑ Case Breaks vs MasterStock: Inventory Manager
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 CaseBreaker, Feb 18, 2026 for MasterStock.
The short answer
Head to head
CaseBreaker
- · One simple plan, unlimited everything!
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBulk cases and individual units are often treated as separate variants without establishing a direct relationship between them for inventory management purposes. CaseBreaker lets merchants define a relationship between bulk cases and individual units. Based on the defined relationship merchants can adjust case quantities when units are sold, ensuring accurate stock management.
Easily manage your stores inventory with a single click! Effortlessly link a master product to multiple products in your store; when you mark the master product as "out of stock", all linked products will automatically be updated. No more time-consuming, manual adjustments or forgetting to take a product of your store when inventory is low. Manage everything within MasterStock
- Manage the relationship between bulk cases and individual units effectively.
- Accurately adjusting bulk cases quantities when individual units are sold.
- Saves merchants time and effort in reconciling stock levels.
- Seamless Inventory Control - Link products to mark them out of stock
- Save Time and Money - Prevent running out stock and marking products out of stock
- Flexibility and control - Set products in stock and out of stock quickly
- User-Friendly Interface - Easy to use and sets up within seconds








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 | CaseBreaker | MasterStock |
|---|---|---|
| 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 | CaseBreaker | MasterStock |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 | CaseBreaker | MasterStock |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $4.99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | CaseBreaker | MasterStock |
|---|---|---|
| Shopify category rank | #394 | #132 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 24, 2024 | Dec 28, 2023 |
| Languages | 1 | 1 |
| Developer | Zapfor Apps | LYONIK |
FAQ
CaseBreaker and MasterStock: common questions
- 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 CaseBreaker, Feb 18, 2026 for MasterStock; 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 CaseBreaker, Feb 18, 2026 for MasterStock. 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.





