Caliper&Ruler
Jun Yamabe Utilities iPhoneiPadiPod touch
Caliper&Ruler is a free Utilities app for iPhone and iPad by Jun Yamabe. Rated 5.0/5 from 1 ratings. Requires iOS 18.4. Updated August 11, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Aug 11
- 2026 · v2.1.0
Screenshots
About Caliper&Ruler
Unlock Precision – Your Essential On-Screen Measurement Tool! Turn your iPhone or iPad into a versatile digital caliper. Measure objects accurately in inches and millimeters with an intuitive and easy-to-use interface. Whether you're a DIY enthusiast, student, designer, or professional, Caliper provides precise measurements wherever you need them. Key Features: - Dual Measurement Units: Easily measure in both inches and millimeters. - Intuitive Drag-and-Measure: Simply drag the slider to measure objects instantly. - Accurate Calibration: Calibrate your screen using everyday objects such as credit cards, AA batteries, rulers, or CDs/DVDs/Blu-ray discs. - Custom Calibration: Use any object with a known length for precise adjustment. - Universal Compatibility: Designed for iPhone (landscape only) and iPad (all orientations). Download Caliper and experience accurate measurements anytime, anywhere.
What’s new
Version 2.1.0 · Updated August 11, 2026
• Added the Thanks feature, allowing you to support app development. • Improved calibration, making it easier to adjust the screen size using everyday objects such as credit cards, rulers, AA batteries, and CDs.