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Checkmate - Cashback, Savings & Rewards. version history - 4 versions

Checkmate - Cashback, Savings & Rewards. by Checkmate

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Checkmate - Cashback, Savings & Rewards. version history - 4 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 9.8.0

    Released Sep 24, 2026 - 1.47 MB
    Works with firefox 140.0 and later, android 142.0 and later
    Checkmate no longer opens a panel on the side of the page by itself. Click the Checkmate toolbar button whenever you want your codes and cashback.

    Source code released under All Rights Reserved

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 9.7.3

    Released Sep 21, 2026 - 1.47 MB
    Works with firefox 140.0 and later, android 142.0 and later
    Fixed Firefox startup and checkout sessions that could remain on “Starting up…”. Partner offers now generate a code directly in the extension without requiring sign-in. At supported checkouts, Checkmate applies the partner code and confirms the actual savings, or keeps your existing code when it gives a better discount. Improved retry and checkout-refresh handling.

    Source code released under All Rights Reserved

    Download file

  • Version 9.6.1

    Released Sep 2, 2026 - 1.47 MB
    Works with firefox 140.0 and later, android 142.0 and later
    Fixed up a few small bugs

    Source code released under All Rights Reserved

    Download file

  • Version 9.3.0

    Released Aug 27, 2026 - 1.46 MB
    Works with firefox 140.0 and later, android 142.0 and later

    Source code released under All Rights Reserved

    Download file