JustRuler - 実寸定規

v2.1 adds sequential measurement, reference mode, and voice readout. Turn your iPhone into a real-size ruler, level & protractor.

JustRuler turns your iPhone screen into a real-size ruler. When you forgot your tape measure but need a quick check on length, angle, or level, this is the one tool to keep handy.

[Key features]

• Real-size ruler mode — Place an object on the screen and read the scale. Toggle cm/inch instantly.
• Two-line measure mode — Pinch an object between the on-screen lines and read the gap to the millimeter.
• Protractor (0°–180°) — Drag the on-screen arm to measure angles. Great for DIY and furniture assembly.
• Spirit level — Lay the device flat and the bubble centers. Hold it vertical for a bar-style level.
• Calibration — Match your real ruler once and every measurement becomes more accurate.
• 5 styles — Classic / Modern / Dark / Metal / Custom Color.

[New in v2.1]

• Sequential measurement: stack multiple segments and read the running total
• Reference mode: set a target value and see the live diff against it
• Voice readout: hear values spoken aloud when your hands are full
• 31 languages supported

[Who it's for]

• DIY and craft enthusiasts
• Anyone who doesn't want to carry a ruler around
• Students, designers, makers

Free with one launch interstitial ad. A one-time $0.99 purchase removes ads forever.

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