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

    Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
    Pitch
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    Categories
    • Inventory optimization
    • Inventory - Other
    • Inventory - Other
    • Inventory optimization
    Languages
    • English
    • English
    Launched
    Jul 24, 2024
    Dec 28, 2023
    Built for Shopify
    Not badged
    Not badged
    Reviews per month
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    Detected stores
    0active installs
    0active installs
    Most common store size
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    Top countries
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    Free options
    Free planFree trial
    Free planFree trial
    Monthly range
    $4.99/month
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    Plans
    CaseBreaker$4.99/month
    14-day free trial
    • · One simple plan, unlimited everything!
    Free
    Coverage
    0 of 0 features0%
    0 of 0 features0%
    Unique strengths
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    000onlybothonly
    CaseBreakerMasterStock0 features listed across both App Store listings

    Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

    See every feature
    Works with also listed by another
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    How it sells itself

    Bulk 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

    Key points
    • 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
    Screenshots
    Unpack history
    DashboardManage variants relationshipCaseBreaker Features
    automaicallty set up
    set product out of stock with one clickeasy to use interfaceeasily set products out of stock by linking them

    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.

    Showing only the rows where the apps differ.

    Adoption

    MeasureCaseBreakerMasterStock
    Detected storesNot publishedNot published
    Net store change, 28 days0estimated0estimated
    Stores added, 28 daysNot enough dataNot enough data
    Big-brand shareNot enough dataNot enough data
    Top store categoriesNot publishedNot published
    Top store countriesNot publishedNot published

    Reviews

    MeasureCaseBreakerMasterStock
    App Store ratingNot publishedNot published
    App Store reviewsNot publishedNot published
    New reviews, 28 daysNot enough dataNot enough data
    Reviewers a year or more inNot enough dataNot enough data

    Pricing

    MeasureCaseBreakerMasterStock
    Free planNot listedNot listed
    Lowest paid monthly plan$4.99/monthNo monthly plan listed
    Longest free trial14 daysNot listed
    Plans listed1Not published

    Listing

    MeasureCaseBreakerMasterStock
    Shopify category rank#394in Inventory optimization#132in Inventory - Other
    Shopify App ChartsNot on this week’s chartsNot on this week’s charts
    Built for ShopifyNoNo
    LaunchedJul 24, 2024Dec 28, 2023
    Languages1English1English
    DeveloperZapfor AppsLYONIK

    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.