Ruler Studio

Spyridon Bousios Utilities iPhoneiPadiPod touch

Ruler Studio is a free Utilities app for iPhone and iPad by Spyridon Bousios. Requires iOS 13.0. Updated July 21, 2026.

Price: Free; on the App Store
Size: 19 MB; Age 4+
Updated: Jul 21; 2026 · v1.0.1

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Screenshots

About Ruler Studio

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

Version 1.0.1 · Updated July 21, 2026

Ruler Studio is now completely free. Full-screen grids, scale presets, and measurement overlays are included for everyone.

App privacy

The developer, Spyridon Bousios, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

Ruler Studio is a free Utilities app for iPhone, iPad and iPod touch, developed by Spyridon Bousios. It requires iOS 13.0 or later and is 19 MB to download. It was first released on June 10, 2026 and last updated on July 21, 2026.

Category: Utilities
Price: Free
Version: 1.0.1
Size: 19 MB
Requires: iOS 13.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: June 10, 2026
Last updated: July 21, 2026
Developer: Spyridon Bousios

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