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.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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+
- 4+
- Copyright
- © 2025 Hideo Nose
