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Android Apps > Tools > Ruler App: Measure centimeters
Ruler App: Measure centimeters icon

Ruler App: Measure centimeters

by Nikola Kosev · Tools · Free
On Google Play since November 2013 · Data updated 2026-11-07

Ruler App: Measure centimeters is made and published by Nikola Kosev. AppBrain is an independent app data site and isn't affiliated with Nikola Kosev. The app name, icon, screenshots and description belong to Nikola Kosev and are shown as published on Google Play.

AppBrain's verdict

EstablishedPopularWell rated
Rating on Google Play
4.48
41,336 ratings
Installs
10 million
Last updated
September 4, 2026
Ads
Contains ads
Size
3.68 MB

Ruler App: Measure centimeters is popular, with 10 million installs. Users rate it well: 4.5 stars from 41,336 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Ruler App: Measure centimeters for Android

★★★★★ ** · Mar 13, 2025
I've been using it quite a while now as a ruler on my phone. Tbf. I use it frequently to measure real life objects and have found it to be practical and useful 👌🏾
★★★★★ Carol P · Dec 15, 2025
Handy ruler available quickly, when you need it
★★★★★ DixieAnn Tietje · Apr 1, 2026
Very easy to use just like a physical 6-inch ruler.
★★★★☆ Robert Greene · Sep 8, 2025
Yes, now your phone can measure things. Great to have a ruler. Update ruler is now off true measurement it should be calibrated at 5 inches not 1 now with adds. Update 9-08-25 calibrated with Credit card now working.
★☆☆☆☆ Rahman Khan · Apr 11, 2026
These apps doesn't work, it's just a waste of time, you can download other apps
★☆☆☆☆ Jeff Smith · May 23, 2026
Requiring installing another app or charging $$ for a simple dark theme is ludicrous. Uninstalled.
★★☆☆☆ nathan ruiz · Sep 3, 2025
It does what it needs. Forcing ads and downloads isn't worth it. I'll just stick to trusty tape measuring
★☆☆☆☆ Samuel Joseph · May 24, 2024
Full page video ads pop up spontaneously, and it makes the app hard to use.
★☆☆☆☆ Shane Colon · Dec 7, 2024
Another phone sized ruler. Completely useless!
★★☆☆☆ MR. PRANJAL NEOG (PRAN) · Jul 15, 2026
Not that bad. May be needed some more improvement

Google Play Rating history and histogram

32K
4K
1.2K
1.2K
2.9K

Store listing

By Nikola Kosev, from Google Play

“Ruler app to measure every length with your phone and tablet.”

Ruler App: Measure centimeters Screenshot 1 of 6
Ruler App: Measure centimeters Screenshot 2 of 6
Ruler App: Measure centimeters Screenshot 3 of 6
Ruler App: Measure centimeters Screenshot 4 of 6
Ruler App: Measure centimeters Screenshot 5 of 6
Ruler App: Measure centimeters Screenshot 6 of 6
Screenshots by Nikola Kosev, from the Google Play listing
Description by Nikola Kosev Written by the developer, not by AppBrain. Click to read.
Ruler app for your phone and tablet. Measure everything with a beautiful on-screen ruler. Choose between inches and centimeters. Tap the screen to start using the best multi-touch measuring system and find the size of all curious objects around you. And all this for free.

• Fast and responsive interface with a beautiful modern design that looks great both on phone and tablet
• Imperial (inch) and Metric (centimeter / millimeter) units
• Very simple so everyone can use it - touch the screen and move the left and right handles with your fingers
• Smart history for your latest measurements
• Copy the current length to the clipboard and paste it into another app
• Multi-touch caliper tool functionality
• It is a handy tape measure, always in your pocket
• Calibrate the app if units are inaccurate. Grab a real ruler and follow the instructions in the Settings menu
• Learn more and send feedback at https://ruler.mobi

Recent changes:
Welcome to the latest version of the best ruler app. What was changed:
• Added support for Android 17
• More accurate ruler
• Bug fixes and performance improvements
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
18
App size
3.68 MB
Needs Android
12.1+
Content rating
Everyone

Technologies used by Ruler App: Measure centimeters

11 permissions · 18 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
2.3.1
Launched
November 2013
  • Sep 4, 2026UpdateVersion 2.3.1
  • Mar 28, 2026Installs10,000,000+ installs
  • Dec 28, 2023UpdateVersion 2.2.1
  • Mar 5, 2023UpdateVersion 2.2.0
  • Apr 4, 2020Installs5,000,000+ installs
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
12 thousand
Per day
400
30-day average
Play install range
10+ million
Launched
November 2013

Installs over time

Ruler App: Measure centimeters has been installed 10 million times. Over the past 30 days, it averaged 400 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Ruler App: Measure centimeters

This app is not ranked

About the app and developer

About Ruler App: Measure centimeters

Ruler App: Measure centimeters is a tools app developed by Nikola Kosev.

Install Statistics

Ruler App: Measure centimeters has been installed 10 million times. In the last 30 days, the app was installed 12 thousand times.

User Ratings

Ruler App: Measure centimeters is rated 4.48 out of 5 stars. The rating is based on 41 thousand ratings.

App Information

Ruler App: Measure centimeters is freely available from Google Play. The app size is 3.68 MB. The latest version available is 2.3.1. The last update was on September 4, 2026.

Technical Requirements

Ruler App: Measure centimeters requires Android 12.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since November 2013.

App Performance Report

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Developer information for Nikola Kosev

Nikola Kosev

nikola@kosev.net

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