Package Name:com.sb.ruler
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About Ruler Studio
Precise ruler, grid, calibration, and ring sizing tools.
Precise measuring tools
Ruler, grid, calibration, and ring sizing in one clean workspace.
Ruler & Grid Studio
High-precision multi-unit rulers with a built-in grid for everyday measurements.
Smart Ring Sizer
Align a real ring with the guide to estimate diameter, circumference, and size.
Card Calibration
Use a standard card edge to improve real-world measurement accuracy.
Free Measuring Toolkit
Full-screen grids, scale presets, and measurement overlays are included for everyone.
Precise ruler, grid, calibration, and ring sizing tools.
What's new in the latest 1.0.1
Last updated on 2026-07-30
Ruler Studio is now completely free. Full-screen grids, scale presets, and measurement overlays are included for everyone.
Videos and Screenshots
Old Versions of Ruler Studio
18.4 MBJul 30, 2026
Super Fast and Safe Downloading via APKPure App
One-click to install XAPK/APK files on Android!
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