Millimeter Pro - screen ruler

4.8
1.07K reviews
100K+
Downloads
Content rating
Everyone
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About this app

Millimeter is a screen ruler app. It uses the full screen of Android devices for distance and length measurements as a caliper or tape measure. Place an object on the scale paper screen and simply touch and move rulers to measure it. Check features for more details. Pro version measures area, circle, radius and diameter, angle, ratio, and splits into equal parts.

NO POP-UP ADS on your screen in the app unlike other free ruler apps on market. The best and real full-screen ruler.

โ˜› 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.

More about the app: goo.gl/aF9L9Q
Posts about the app: http://goo.gl/304nJB

๐Ÿ“ What you can do in Pro version:

- Calibrate Millimeter with custom or standard objects (๐Ÿ’ณ)
- Ruler Mode for measure in metric and imperial units: mm and inch
- Use fractions for inch units
- Use the app as a standard ruler
- Use full-screen mode for better user experience in Ruler mode
- Additional vertical ruler for 2D measurements (๐Ÿ“)
- Area measurement for 2D measurements (โฌ›)
- Calculate the W/H ratio of the rectangular objects in 2D
- Parts Mode to split length into equal parts
- Thread per inch ( TPI ) measurement pattern (๐Ÿ”ฉ) in Parts mode (https://youtu.be/M1Qrbs2bgCY)

- Spirit/bubble level for checking incline or tilt angle ๐Ÿ”ฎ
- Circle Mode to measure circular objects (๐Ÿ”ด)
- Split circle into equal sectors
- Protractor / Goniometer Mode to measure angles (โšช)
- Lock / Unlock rulers in any mode for better usability (๐Ÿ”’)
- Set exact size, length, diameter, number of parts manually with keyboard input (โŒจ)
- Change background to BW night mode for power saving (๐Ÿ”‹) and better visualization (๐ŸŒ“)
- turn on/of the fine grid (1 mm for millimeter units)
- Read interactive Help / Guide about all available features in a mode

Use this screen ruler in different projects where you need to measure small objects that fit your screen: jewelry, rings ๐Ÿ’, screws and bolts, buttons and beads, nuts and washers, knitting pattern, insects, hooks, thread, etc.

Units: millimeter (mm), inch (in). Fractions are supported for inch units.

Supported languages:
- English, German, Russian, Japanese, and French.


โ˜Ž If you have any problems with the app on your device, please contact support@vistechprojects.com first and we will help you. Thank you.

VisTech.Projects Team.


Note:
measurement range limited by the size of your screen and with fine calibration, the app gives you accuracy comparable to a standard ruler or measure tape.
Updated on
Jan 23, 2019

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location and App activity
Data is encrypted in transit
Data canโ€™t be deleted
4.8
1.07K reviews
A Google user
November 11, 2019
Very very well put together. Minimalist and extremely user friendly. There's nothing I would change or add. Completely free of ads and privacy intrusions. This app should be part of every phone's toolset and I sincerely hope the developers keep the excellence flowing.
30 people found this review helpful
Did you find this helpful?
vistech.projects
November 11, 2019
We are glad you found it useful. Thank you very much for taking time for sharing your experience with the app and for supporting us! VisTech.Projects Team.
Josh O'Niell
August 31, 2020
One feature I'd enjoy to have would be to save some of the measurements for quick excess when looking for the size/diameter of bit or bolt etc! At toolbox or store Smooth setup that can screenshot or hit lock simple to get hang of one would feel a lot more accurate getting a bolt a bit size. When at the toolbox or hardware store. like any beloved app update welcome but this is simply smooth well made app
37 people found this review helpful
Did you find this helpful?
vistech.projects
August 31, 2020
Josh, Thank you for your suggestion and support! We understand you are looking for some kind of measurement history with a screenshot option (please correct if we misunderstood it) for quicker and more accurate comparison at a hardware store. We will consider your suggestions for future updates. For any questions contact support@vistechprojects.com
A Google user
April 15, 2020
Love all the features. Although I'd rarely use it, for $1.39 it's good to just have the tool. Only suggestion is to change the app icon to match the app's minimalist nature. I think it would also make the app more attractive on the Play Store. :)
40 people found this review helpful
Did you find this helpful?
vistech.projects
April 16, 2020
Thank you for your feedback, support and suggestion! Have any specific ideas? contact us directly support@vistechprojects.com ;)

What's new

v2.3
- new Level feature
- fixes and improvements

v2.2 New features:
- Fine grid
- multi touch support (for easy measurements when object touches screen)
- fixes and improvements
v2.1 - new Protractor Mode for angle measurements: https://goo.gl/wquu2s