Millimeter - screen ruler app

2.3.6

vistech.projects

4.15

1,815 reviews

500,000+
Downloads

Free

Full screen ruler app with inch and millimeter units. NO POP-UP ADs.

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Screenshots by vistech.projects, from the Google Play listing

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About Millimeter - screen ruler app

Millimeter - screen ruler app is a productivity app developed by vistech.projects.

Download Statistics

Millimeter - screen ruler app has been downloaded 820 thousand times. In the last 30 days, the app was downloaded 1.9 thousand times.

User Ratings

Millimeter - screen ruler app is rated 4.15 out of 5 stars. The rating is based on 1.8 thousand ratings.

App Information

Millimeter - screen ruler app is freely available from Google Play. The APK size is 9.75 MB. The latest APK version available is 2.3.6. The last update was on October 8, 2025.

Technical Requirements

Millimeter - screen ruler app requires Android 9.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since September 2012.

Millimeter - screen ruler app is made and published by vistech.projects. AppBrain is an independent app data site and isn't affiliated with vistech.projects. The app name, icon, screenshots and description belong to vistech.projects and are shown as published on Google Play.

Description by vistech.projects (from Google Play)

Millimeter is a free, easy-to-use screen ruler app that lets you measure small objects that fit on your phone or tablet screen.

More data about Millimeter - screen ruler app

Price	Free
Total installs	820 thousand
Recent installs	1.9 thousand
Rating	4.15 based on 1.8 thousand ratings
Ranking	Not ranked
Version	2.3.6
App size	9.75 MB
Number of libraries	24
Designed for Android	9.0+
Suitable for	Everyone
Ads	No ads

App Performance Report

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Alternatives to Millimeter - screen ruler app

More like this: Best Measuring Apps for Android

Google Play Rating history and histogram

1.2K

250

220

Installs over time

Millimeter - screen ruler app has been installed 820 thousand times. Over the past 30 days, it averaged 65 installs per day.

Changelog of Millimeter - screen ruler app

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Developer information for vistech.projects

vistech.projects

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Comments on Millimeter - screen ruler app for Android

★★★★★ X · May 9, 2024

Works as good as I need it to! Checked with a caliper, the initial generic calibration was actually within about 0.2% of being correct (was set initially upon app startup at 4.07"). A clear ruler that can fit flat on your screen would work well for your calibration. Remember, calibrate at the largest size measurement device you can accurately align with on the screen. While app can calibrate with a coin, calibration will have less error at I.E., 5.00" vs 0.75".

★★★★★ RK Ohashi · Apr 24, 2021

When you need to measure something and not carrying a tape measure, what does everyone always carry? Their phone! Shows in either millimeter /centimeter or inches. Highly recommend!

★★★★★ jessica siu · Feb 25, 2023

I used a 8 mm earring for measurement and it's really accurate. Even with default calibration it shows what it has to show. With the size of a credit card for calibration it comes as a handy tool too if the default falls short, so it's a well done indeed. So now I can at least have an idea when I online shop how big an object is.

★★☆☆☆ Karthikeyan K · Jan 6, 2022

Not having any instruction on how to measure. Can we take photo to measure? Or it is possible to upload? What can we do just with ruler?

★☆☆☆☆ Debbie Judy · Jun 20, 2022

I installed this app along with other apps, and I'll be damned if I can figure any of them out. No real instructions.

★☆☆☆☆ Eddy Neuret · Jan 13, 2026

Sorry but not being able to do one or two measurements w/o buying a subscription is ... Just encouraging to develop my own app

★★☆☆☆ Dennis Keppner · Nov 29, 2025

$30 a year? Yea, tell you what, I'll trade you a bridge. If I wanted only a display I could have taken a picture of a ruler.

★☆☆☆☆ City First · Jun 5, 2026

Its installation is free. Everything is paid

Google Play Rankings for Millimeter - screen ruler app

This app is not ranked

Technologies used by Millimeter - screen ruler app

8 permissions · 24 libraries

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