Rul3r

Rul3r

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Rul3r: Your Essential Pocket Toolbox for Precise Measurements

Turn your phone into a versatile Swiss Army knife of utilities. Get professional-grade accuracy with a built-in ruler, spirit level, decibel meter, and more—perfect for DIY enthusiasts and professionals alike.

Publisher

YOYASOFT LLC

Category

Utilities

Downloads

515K+

User Rating

4.4/5

Total Ratings

4K+

Locales

8

Precision at a Glance

Discover the interface used by 515K+ users.

A digital ruler interface showing a measurement of 1.23 inches with a single marker and toggle options for English and Metric units.

A digital ruler interface showing a measurement of 1.23 inches with a single marker and toggle options for English and Metric units.

Digital ruler interface displaying a measurement of 2.5 inches

Digital ruler interface displaying a measurement of 2.5 inches

Digital protractor interface in the Rul3r app showing a measurement of 115.06 degrees.

Digital protractor interface in the Rul3r app showing a measurement of 115.06 degrees.

Digital protractor tool showing a precise angle measurement of forty degrees

Digital protractor tool showing a precise angle measurement of forty degrees

Digital spirit level and tilt angle measurement tool in Rul3r app

Digital spirit level and tilt angle measurement tool in Rul3r app

Interface of the ordinal date converter feature in the Rul3r app

Interface of the ordinal date converter feature in the Rul3r app

Ambient noise meter interface in Rul3r app measuring 101.6 decibels

Ambient noise meter interface in Rul3r app measuring 101.6 decibels

A Professional Toolbox in Your Pocket

The tools that make this app stand out, trusted by 515K+ users.

📏

Instant Precision Measurements

Turn your screen into a highly accurate ruler and spirit level to measure objects and align frames perfectly without a physical tool belt.

🔊

Advanced Acoustic & Environment Monitoring

Quickly check noise levels with the decibel meter or track your elevation and air pressure, providing essential data for both home and outdoor projects.

📐

Professional Alignment Tools

Master every angle with the built-in protractor and plumb line, ensuring vertical accuracy and geometric precision for complex woodworking or design tasks.

Loved by users worldwide

Trusted by 515K+ people who love this app.

"

"I am constantly working on small home projects and this app has become my go-to. Whether I am at the hardware store checking bolt sizes with the ruler or leveling frames at home, it is incredibly accurate and saves me from carrying a bulky tool belt."

Sarah Jenkins
"

"As a property manager, I use the decibel meter to check noise complaints and the spirit level for quick inspections. It is rare to find so many reliable utilities packed into one tiny app. It is like having a digital Swiss Army knife right in my pocket."

David Miller

About the app

Everything you need to know about Rul3r.

Description

Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it. What's more, Rul3r provides a lot more tools: * Protractor * Plumb Line * Spirit Level * Elevation, Air Pressure and Location meter * Decibel Meter * Ordinal Date Converter

Latest Version

1.21

Size

5.7 MB

First Released

Jun 6, 2015

Put a Professional Toolbox in Your Pocket

Join over 515,000 DIYers and professionals who stay prepared. Download Rul3r today and get instant access to precision tools whenever you need them.

Download on App Store
FAQ

Frequently Asked Questions

Everything you need to know about Rul3r

What is the primary purpose of the Rul3r app?

Rul3r provides a portable ruler on your phone for measuring lengths. It also includes tools like a protractor, plumb line, spirit level, and decibel meter for various utility needs.

Does the Rul3r app support both English and Metric units for measurement?

Yes, the Rul3r app supports both English and Metric units for length measurement. Users can select their preferred unit directly within the ruler interface.

Can Rul3r measure angles?

Yes, Rul3r includes a protractor tool. It accurately measures angles and displays them in degrees and radians, providing precise angular readings.

Does Rul3r offer a spirit level feature?

Yes, Rul3r provides a spirit level function that measures the surface tilt angle. It displays both the angle in degrees and minutes for precise leveling.

Is there a decibel meter included in the Rul3r app?

Yes, the Rul3r app features a decibel meter. It measures ambient noise levels and displays them in decibels (dB), showing the relative power of received sound waves.

What is the Ordinal Date Converter feature in Rul3r?

The Ordinal Date Converter in Rul3r displays the week in year, day in week, and day in year for a selected date. It converts standard calendar dates into their ordinal equivalents.

How does Rul3r measure length with single and double markers?

Rul3r measures length using either a single or double marker. Users position these markers on the screen to accurately determine dimensions, displayed in selected units like inches.

Does Rul3r provide environmental readings like elevation or air pressure?

Yes, Rul3r includes an Elevation, Air Pressure, and Location meter. This tool provides readings related to environmental conditions, such as surface tilt angle and elevation.