Millimeter - screen ruler app icon

Millimeter - screen ruler

Accurate Android ruler on screen.

vistech.projects · com.vistechprojects.millimeter

Not rated yet 500K+ downloads v2.3.6 9.8 MB Android 9+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v2.3.6 (32)
Updated
Jan 28, 2026 (8 months ago)
APK size
9.8 MB
Requires
Android 9+ (API 28)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Productivity (app)
Listed since
Mar 21, 2023 (at least)
Permissions
8
Website
vistechprojects.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Millimeter - screen ruler is an app by vistech.projects in the Productivity category, listed since at least March 2023. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.3.0, the minimum Android version rose from 4.0.3 to 9. It asks for 8 permissions, none of them sensitive. Compared with version 2.3.4, it adds 3 new permissions: “Control vibration”, “Google Play install referrer” and “Prevent the device from sleeping”. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v2.3.6

v2.3.6 - fixes and improvements for new versions of Android - snap to fractions option (paid) in Pro - variable slide speed option (fast: top or right, slow: bottom or left) (paid) in Pro - decimal grid in inches(paid) in Pro v2.3: - Level Mode (paid) in Pro v2.2 New features: - Fine grid - lock screen - 2D ruler - multi-touch support (for easy measurements when the object touches the screen) v2.1.0 - new Protractor Mode( paid) in Pro: https://goo.gl/wquu2s

Description

From the listing uploaded by “appupdater”.

Millimeter is a simple free screen ruler app. You can measure small objects that fit the device screen with this ruler. There are NO ADs in the app for the best experience and real full-screen measurements (with subscription). ☛ ANY DEVICE can be calibrated for accurate measurements in Calibration Mode, where common standard objects (coins, credit cards, etc) can be used as a reference. You can also customize your app by purchasing extra features or modes. 📏 What you can do in the free version of the on-screen ruler: - Calibrate Millimeter with custom or standard objects - Ruler Mode for the measure in metric units. 💳 You can upgrade your free version to Pro by subscribing and unlocking extra modules and features that add the following functionality: - Units: millimeter (mm), inch (in). - Additional vertical ruler for 2D measurements (📐) - Area measurement for 2D measurements (⬛) - Calculate W/H ratio of the rectangular objects in 2D - Spirit / bubble level for checking incline or tilt angle 🔮 - Parts Mode to split length or objects in equal parts - Thread per inch ( TPI ) measurement pattern (🔩) in Parts mode (https://youtu.be/M1Qrbs2bgCY) - Circle Mode to measure circular objects (🔴) - Split circle into equal sector / angle - Protractor / Goniometer Mode - measure angles - Lock / Unlock rulers in any mode for better usability (🔒) - Fine grid (1mm for millimeter units) 👍 - Fractions for inch units. - Snap to fractions when moving sliders - Decimal scale for inch units - Variable sliders/rulers speed: top or right side of the screen - fast, bottom and left - slow. - Use full-screen mode for better user experience - Set exact size, length, diameter, number of parts manually with keyboard input (⌨) - Change background to BW night mode for power saving (🔋) and better visualization (🌓) Use this screen ruler in different areas to measure small objects that fit your phone or tablet screen: jewelry, jewels, rings 💍 , stones, screws, bolts, buttons diameter, nuts, knitting needles, knitting patterns, washers, insects, mosaic tile, hooks, thread, frame wrap angle, etc. Supported languages: - English, German, Russian, Japanese, and French languages. 📖 More about the app: http://goo.gl/304nJB ☎ If you have any problems with the app on your device, please contact [email protected] first, and we will help you. Thank you. VisTech.Projects Team.

Version history

4 versions are listed, going back to v2.3.0. Since v2.3.6 it requires Android 9+.

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Jan 28, 2026.
  • Certificate issued to “VisTech.Projects” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Jan 28, 2026
  • Validated against Google Play Jan 28, 2026
  • Signed byCN=Unknown, OU=VisTech.Projects, O=VisTech.Projects, L=Unknown, ST=Unknown, C=Unknown
  • Signing certificate (SHA-1)5F:C6:7C:B2:38:65:1F:7B:67:C3:34:8C:DB:6F:2A:C2:EE:AA:3C:11
  • File MD560d1900baf54710012dc07df5eb368cc
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (8)

Millimeter - screen ruler requests 8 permissions, none of them sensitive.

Required hardware & features

Millimeter - screen ruler APK: questions and answers

Is there a version of Millimeter - screen ruler for older Android phones?

The current version needs Android 9 or later. Version 2.3.3 is the newest listed build that installs on Android 8.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.3.3 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Millimeter - screen ruler free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Millimeter - screen ruler APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 60d1900baf54710012dc07df5eb368cc.

Tags

More Productivity apps