ZTE Blade - Nubia Advanced Protractor Pro version4.0 APK Download

Advanced Protractor Pro

1. Beautiful steel or copper protractor/level.
2. Two moveable protractor hands
3. Camera mode to measure angles in camera
4. Optionally display degree in pitch/percentage/focal-length
5. Support both phones and tablets. 
6. (New) Picture mode to load an existing picture to the app to measure the angle in this picture
7. (New) Support displaying the angle in focal length which is useful for photographer to decide what lens to bring for a particular location. If you are interested in this tool, you may also be interested in Photographer's Field Tools at https://play.google.com/store/apps/details?id=com.yingwen.photographertools. It basically expand this focal length feature to include a lot more other features that will benefit photographers and travelers.


1. Internet access is for crash report

Ying Wen Technologies part of our zteTools and have average installs from 1000 to 5000. Update for ZTE phones Oct. 21, 2013. ZTE rating is 86.4. Verison is 4.0. Actual size 1.0 MB.

Whats new

    v4.0 A major update. Allow user to choose the sensor in case some sensors don't work on certain phones/tablets, bring back the bubble level in camera mode, use one click to toggle mode.
    v3.4 fixed problem showing percentage in settings, fixed bug when save/share
    v3.3 support more newer phones
Download advanced-protractor-pro.apk 1.0 MB


Neat Has been very useful on several occasions at work.

  • May 27, 2014

As a physical therapist I love this app, I can measure angles I never could before. Would love portrait mode for better posture photos, only reason I have it four stars.

  • Dec. 31, 2011

Would be a lot better if it supported the galaxy tab display resolution too, good useful app though.

  • March 4, 2011

Great for roof pitch Great for insurance adjusters

  • Aug. 16, 2011

This is a very useful and original idea. Works great. Highly recommended...(HTC - EVO) Excellent customer service too! Emails promptly answered!

  • Dec. 27, 2010

Looks cool but don't work so well on my DroidX. Very choppy movment and slightest tilt to the back or face thows it off. Can be fixed?

  • Dec. 2, 2010

Most excellent utility! Please add zoomed view window in top right corner when finger is blocking movable handle placement!

  • Aug. 10, 2010

Small bug other than that what else can make you use your phone at work?

  • July 25, 2010

Way cool, and EVO compatible!

  • June 12, 2010

Bummer Doesn't work on nexus 4

  • Dec. 11, 2012

This is a must have

  • Aug. 15, 2010

Awesome app, very accurate on my Droid.

  • May 7, 2010

Looks great and works great. Responsive developer

  • April 28, 2010

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