TouchCaliper Ruler & Caliper
iOS app by Shuhei Yamamoto. Utilities · Shuhei Yamamoto
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.2.2
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
Turn your iPhone into a real-size ruler and caliper. When you don't have a ruler handy, just lay a small object on the screen and pinch it between the two bars - the size is shown in millimetres, big and clear. Great for screws, buttons, batteries, SD cards, sticky notes and other small things. Features - Real-size mm grid (horizontal & vertical) - Two measuring bars with a big millimetre readout - Switch between width and height - Auto-scaled from your device's screen; if it's ever off, calibrate in one tap against a credit card or coin How to use 1. Tap Measure 2. Place an object on the screen 3. Align the two bars to its edges 4. Read the big number Pro (one-time purchase) - Exact 0.1 mm readout (the free version reads to the whole millimetre) - Inches & fractional inches (to the nearest 1/64, shown together with cm) - Share / save the result as an image - Measurement history with labels The grid, calibration and whole-millimetre measuring are always free. Notes - Only objects that fit on the screen can be measured. - Measures flat dimensions (width, diameter, length). - Objects rest directly on the screen - take care not to scratch it.
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