UnitStack

Convert Units & Currency

Free · Designed for iPad

UnitStack lets you stack multiple unit conversions at once—so you never have to switch units or reselect conversions again. Your conversions are always saved. Open the app and start typing. Add custom units too—like that old reliable sauce spoon. Built for speed and clarity • Stack multiple conversions at once • Persistent values — pick up where you left off • Minimal, distraction-free interface • Custom color themes, including your own • Support for custom units of measure Whether you’re comparing measurements, converting currencies, or working across systems, UnitStack keeps everything visible and friction-free. Currency exchange rates are provided by Frankfurter (ECB reference rates).

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Support iOS 18

Version 1.2

The developer, Michael Yang, 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

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Michael Yang
    • Size
      • 4.7 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 18.6 or later.
      • iPhone
        Requires iOS 18.6 or later.
      • iPad
        Requires iPadOS 18.6 or later.
      • Mac
        Requires macOS 15.6 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 2.6 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2026 Michael Yang. All rights reserved.
  • Privacy Policy

    • More by Michael Yang