Coffee Rings

Perfect espresso made simple

Free · In‑App Purchases · Designed for iPad

Perfect espresso is not a coincidence. With Coffee Rings, you can precisely document, analyze and improve your espresso shots step by step - for consistent, great results. Whether you prefer to experiment yourself or let the app guide you - Coffee Rings combines proven barista knowledge with optional AI analysis for a better understanding of your preparation. Functions: • Create, save and search recipes • Record dose, output, temperature and taste • Offline recommendations based on real barista logic • Optional AI analyses for additional insights • Espresso Tutor as a learning aid for reproducible results • Works offline - without registration, without advertising Whether an amateur or a passionate barista - Coffee Rings helps you understand the language of your espresso and make every cup a little better.

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- Custom taste notes: You can now manage your notes more easily. Additionally, changes are reliably applied to the correct place. The idea for this feature came from an app store review – thanks for the suggestion! - Better entry and more accessibility: We have further improved the entry into the app and its operation. Your coffee preferences, now a little easier to take care of.

The developer, MICHAEL KARL KNOP, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Larger Text

      • Dark Interface

      • Differentiate Without Color Alone

      • Sufficient Contrast

      • Reduced Motion

    Seller
    MICHAEL KARL KNOP
    Size
    11.6 MB
    Category
    Food & Drink
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English and German
    Age Rating
    4+
    In-App Purchases
    Yes
    • Big Support Tip $3.99
    • Tip - Double Espresso $2.99
    • Single Espresso Tip $1.99
    Copyright
    © Michael Karl Knop