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Android Apps > Tools > Triangle Calculator Pro
Triangle Calculator Pro icon

Triangle Calculator Pro

by November31 · Tools · $1.99
On Google Play since March 2017 · Data updated 2026-10-16

Triangle Calculator Pro is made and published by November31. AppBrain is an independent app data site and isn't affiliated with November31. The app name, icon, screenshots and description belong to November31 and are shown as published on Google Play.

AppBrain's verdict

EstablishedNicheWell rated
Total installs
5.3 thousand
Rating on Google Play
4.47
148 ratings
Last updated
January 2, 2026

Triangle Calculator Pro is a niche app, with 5.3 thousand installs. Users rate it well: 4.5 stars from 148 ratings.

Official page on Google Play

Installs

Tracked by AppBrain
Last 30 days
46
Play install range
5+ thousand
Launched
March 2017

Installs over time

Triangle Calculator Pro has been installed 5.3 thousand times. Over the past 30 days, it has been installed 46 times.

Rankings

Google Play top charts

Google Play Rankings for Triangle Calculator Pro

This app is not ranked

Competitors

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Releases

Updates seen on Google Play
Version
4.4.0
Launched
March 2017
  • Apr 22, 2026Installs5,000+ installs
  • Jan 2, 2026UpdateVersion 4.4.0
  • Oct 1, 2024Price IncreaseNew price: $1.99 ($1.49)
  • Sep 2, 2024UpdateVersion 4.3.5
  • Apr 19, 2023UpdateVersion 4.3.1
Show all changes Show fewer

User feedback

Ratings and reviews on Google Play

Google Play Rating history and histogram

110
17
0
8
8

Comments on Triangle Calculator Pro for Android

★★★★★ Cornpop · Nov 10, 2021
Simple to use, accurate, and easy to configure. Works great for construction, site surveying, etc. Just choose between right triangle or isosceles triangle, then fill in the known values, hit the calculate button and the results are given. To set the calculator outputs, hit the three dots at the top of the screen. Precision: how many digits output (0, 1, 2, 3, 4, or 5). Angle Units: (decimal degrees, rad, grad, deg-min-sec).
★★☆☆☆ Visual Kei · Dec 13, 2019
UI is nice, but for a paid product, this thing rounds off to two digits after the decimal, which is not an acceptable rounding error for me. If I input 3-4 digits after a decimal, I need the answer to not be rounded off to two places, since I'm working with engineering prints and need a precise triangle solving app in the field.

Technology

Found in the app by AppBrain
Ads
No ads
Price
$1.99
Libraries
12
App size
908.5 KB
Needs Android
4.4+
Content rating
Everyone

Technologies used by Triangle Calculator Pro

1 permissions · 12 libraries
Subscribe to see full permission and library details

About the app and developer

About Triangle Calculator Pro

Triangle Calculator Pro is a tools app developed by November31.

How many times has Triangle Calculator Pro been downloaded?

Triangle Calculator Pro has been downloaded 5.3 thousand times. In the last 30 days, the app was downloaded 46 times.

What is the rating of Triangle Calculator Pro?

Triangle Calculator Pro is rated 4.47 out of 5 stars, based on 150 ratings.

Is Triangle Calculator Pro free?

Triangle Calculator Pro costs $1.99. The APK size is 908.50 kB. The latest APK version available is 4.4.0. The last update was on January 2, 2026.

What are the requirements for Triangle Calculator Pro?

Triangle Calculator Pro requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since March 2017.

App Performance Report

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Developer information for November31

November31

info@november31.com

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Store listing

By November31, from Google Play

“Solve triangles - ad free version.”

Triangle Calculator Pro Screenshot 1 of 5
Triangle Calculator Pro Screenshot 2 of 5
Triangle Calculator Pro Screenshot 3 of 5
Triangle Calculator Pro Screenshot 4 of 5
Triangle Calculator Pro Screenshot 5 of 5
Screenshots by November31, from the Google Play listing
Description by November31 Written by the developer, not by AppBrain. Click to read.
Ad free version!

Solve triangles by entering two sides and one angle, two angles and one side or three sides to find remaining values as used in trigonometry.

Angles are available in degrees, radians, grads or degrees with minutes and seconds.

The ▲² button shows second solution if one exists (ambiguous case).

The free version has over 1 million downloads!

Found a translation error or want to help with a new translation? Please contact us through email.

Recent changes:
Android update. Minor bug fixes.
Official page on Google Play
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