Easy Reference Measure

Snap. Reference. Measure!

Free · Designed for iPad

Measure objects directly from your photos. This app lets you calculate the real-world size of items by including a reference object such as a ruler in the same photo. Measure real-world lengths directly from your photos—fast and simple! This app turns your smartphone into a powerful measuring tool. By including a reference object such as a ruler or a coin in your photo, you can instantly calculate the actual size of any object captured. Whether for research, DIY, or hobbies, this app makes measuring more accessible than ever. *Key Features Accurate length measurement from photos Use reference objects (rulers, coins, cards, etc.) to set the scale Zoom, pan, and reset gestures for precise control Double-tap to reset zoom and position Save and share annotated images with measurement results *How It Works Capture or Select a Photo Take a new photo with your camera or select one from your gallery. Make sure to include a reference object such as a ruler or a coin. Set Calibration Points Tap the start and end points of the reference object (e.g., the 0 cm and 10 cm marks of a ruler). Enter the real-world length between these two points to calibrate the scale. Measure the Object Tap the start and end points of the object you want to measure. The app instantly calculates and displays the actual length. Save and Share The measurement result is added as a clear annotation on the photo. Save the annotated image and share it via email, messaging apps, or social media. *Use Cases Check the size of pipes, screws, gaskets, etc. Measure materials and objects for DIY projects Document lengths for study and research Assist in laboratory, or experimental records Complex Shape Length Simple, intuitive, and reliable. With this app, your smartphone becomes a portable digital ruler—always ready when you need it.

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Added a real ruler screen. Once you calibrate the scale using a physical ruler, you can easily measure lengths anytime, even without having a ruler on hand. In addition, several minor bugs have been fixed.

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

    • Seller
      • Hideo Nose
    • Size
      • 4.1 MB
    • Category
      • Productivity
    • Compatibility
      Requires iOS 16.6 or later.
      • iPhone
        Requires iOS 16.6 or later.
      • iPad
        Requires iPadOS 16.6 or later.
      • Mac
        Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English and Japanese
    • Age Rating
      4+
    • Copyright
      • © 2025 Hideo Nose