Ruler Studio
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About this app
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.
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.
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No data shared with third parties
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No data collected
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What’s new
Ruler Studio is now completely free. Full-screen grids, scale presets, and measurement overlays are included for everyone.
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About the developer
FOTIOS SIOUTAS
sioutasapps@gmail.com
ΚΑΠΟΔΙΣΤΡΙΟΥ 8
ATHENS 16345
Greece
