NumSys is made and published by Sandello. AppBrain is an independent app data site and isn't affiliated with Sandello. The app name, icon, screenshots and description belong to Sandello and are shown as published on Google Play.
AppBrain's verdict
EstablishedLoved by users- Rating on Google Play
- 4.88
- 529 ratings
- Installs
- 170 thousand
- Last updated
- May 14, 2026
- Ads
- No ads
- Size
- 3.70 MB
NumSys has 170 thousand installs. Users love it: 4.9 stars from 529 ratings.
User feedback
Ratings and reviews on Google PlayComments on NumSys for Android
Google Play Rating history and histogram
Store listing
By Sandello, from Google Play“Number Systems Converter and Calculator with solution.”
Description by Sandello Written by the developer, not by AppBrain. Click to read.
Fast transfer from one number system to another (from 2 to 36) with support for decimal fractions.
Ability to perform mathematical operations: addition, subtraction, multiplication, division.
Contribute: https://github.com/jedi1150/number-systems
Recent changes:
• Support for Android 17.
• Improved stability and performance.
• Minor UI updates and bug fixes.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 14
- App size
- 3.70 MB
- Needs Android
- 5.0+
- Content rating
- Everyone
Technologies used by NumSys
Releases
Updates seen on Google Play- Version
- 2.5.0
- Launched
- January 2016
Alternatives
Similar apps and more from SandelloAlternatives to NumSys
More from Sandello
Installs
Tracked by AppBrain- Last 30 days
- 1.1 thousand
- Per day
- 35
- 30-day average
- Play install range
- 100+ thousand
- Launched
- January 2016
Installs over time
NumSys has been installed 170 thousand times. Over the past 30 days, it averaged 35 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for NumSys
About the app and developer
About NumSys
NumSys is a tools app developed by Sandello.
Download Statistics
NumSys has been downloaded 170 thousand times. In the last 30 days, the app was downloaded 1.1 thousand times.
User Ratings
NumSys is rated 4.88 out of 5 stars. The rating is based on 530 ratings.
App Information
NumSys is freely available from Google Play. The APK size is 3.70 MB. The latest APK version available is 2.5.0. The last update was on May 14, 2026.
Technical Requirements
NumSys requires Android 5.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since January 2016.
App Performance Report
Get a detailed PDF report for NumSys with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Sandello
Frequently asked questions about NumSys
Is NumSys free?
Yes. NumSys is free on Google Play.
Is NumSys still available?
Yes. NumSys is on Google Play, and the last update we saw was on May 14, 2026.
Does NumSys contain ads?
No. Google Play does not list NumSys as containing ads.
What Android version does NumSys require?
NumSys runs on Android 5.0 and higher.
How large is NumSys?
NumSys is 3.70 MB.
Is NumSys suitable for children?
Google Play rates the content of NumSys as suitable for everyone.
How many times has NumSys been installed?
Google Play lists 100,000+ installs for NumSys.
How do people rate NumSys?
NumSys scores 4.88 out of 5 stars, from 529 ratings on Google Play.
Who made NumSys?
NumSys was developed by Sandello. It is listed in the tools category on Google Play.
What are the best alternatives to NumSys?
People looking at NumSys also look at these tools apps: Fractions School Calculator, Prime factors, Fraction Converter, Number System: Learn & Convert, Calculer - Calculator.