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Android Apps > Tools > Calculator App
Calculator App icon

Calculator App

1.43
OnTheGo Invoice Maker Lab
4.28
1,718 reviews
500,000+
Downloads
Free

Fast, accurate scientific calculator for daily math, study, and work.

Calculator App Screenshot 1 of 7
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Calculator App Screenshot 7 of 7
Screenshots by OnTheGo Invoice Maker Lab, from the Google Play listing
View on Google Play

AppBrain's verdict

Well rated
Rating on Google Play
4.28
1,718 ratings
Installs
840 thousand
Last updated
May 29, 2026
Ads
Contains ads
Size
11.3 MB

Calculator App has 840 thousand installs. Users rate it well: 4.3 stars from 1,718 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Calculator App for Android

★★★★★ Richard Phiri · Oct 18, 2026
Enjoying my self with you guys keep up the good work people
★★★★★ Nafna Nazrin · Apr 28, 2026
Good and super. I loved this calculator. Easy to calculate
★☆☆☆☆ subash Sunar · Feb 26, 2026
Thanks for letting me have the same to work out what time is the plan for tomorrow morning for a coffee 😄 and I will
★☆☆☆☆ Essuman-Nelson Francis Oheneba · Apr 30, 2026
Not indicating how to buy. Crazy n too much advertising

Google Play Rating history and histogram

1.3K
53
53
0
270

Store listing

By OnTheGo Invoice Maker Lab, from Google Play
Description by OnTheGo Invoice Maker Lab Written by the developer, not by AppBrain. Click to read.
Looking for a fast, reliable calculator for school, work, or everyday math?

The Scientific Math Calculator app delivers accurate results instantly, whether you’re a student, professional, or daily user. Solve basic arithmetic, advanced math, and technical calculations with ease. This app works offline, loads instantly, and delivers precise results whenever you need them with a clean, easy-to-use interface.

🔢 Everyday Math Calculator
- Perform addition (+), subtraction (−), multiplication (×), and division (÷) instantly.
- Perfect for shopping, billing, office work, and quick calculations.
- Simple layout reduces mistakes and saves time.

📐 Advanced Scientific Functions
- Ideal for students, exams, engineers, and professionals.
- Supports exam prep and technical calculations.
• Features include:
– Trigonometry (sin, cos, tan).
– Logarithms, powers, and square roots.
– Factorials and other advanced functions.

🧾 Calculation History
- Automatically saves your recent calculations.
- Review, copy, or reuse results anytime.

📞 Instant Calculator After Calls
- Open the calculator app immediately after phone calls for quick pricing, billing, or estimates.
- Ideal for business and professional users.

🌐 Offline & Lightweight
- Works without internet connection.
- Small app size & fast performance on all Android devices.
- Clean, eye-friendly interface for comfortable long use.

⚡ Why Choose This App?
- Combines basic and scientific calculator in one.
- Fast, accurate, and reliable results.
- Offline functionality. Use anywhere, anytime.
- Designed for students, professionals, and everyday users.

Make math simple, fast, and efficient with a calculator built for your daily needs.

Recent changes:
Simple calculator

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
?
App size
11.3 MB
Content rating
Everyone

Technologies used by Calculator App

39 permissions
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.43
Launched
November 2025
  • May 29, 2026UpdateVersion 1.43
  • May 13, 2026UpdateVersion 1.42
  • Apr 23, 2026UpdateVersion 1.41
  • Apr 14, 2026Installs500,000+ installs
  • Apr 13, 2026UpdateVersion 1.40
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
4 thousand
Per day
130
30-day average
Play install range
500+ thousand
Launched
November 2025

Installs over time

Calculator App has been installed 840 thousand times. Over the past 30 days, it averaged 130 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Calculator App

This app is not ranked

About the app and developer

About Calculator App

Calculator App is a tools app developed by OnTheGo Invoice Maker Lab.

Install Statistics

Calculator App has been installed 840 thousand times. In the last 30 days, the app was installed 4 thousand times.

User Ratings

Calculator App is rated 4.28 out of 5 stars. The rating is based on 1.7 thousand ratings.

App Information

Calculator App is freely available from Google Play. The app size is 11.29 MB. The latest version available is 1.43. The last update was on May 29, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since November 2025.

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

App Performance Report

Get a detailed PDF report for Calculator App with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

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Developer information for OnTheGo Invoice Maker Lab

OnTheGo Invoice Maker Lab

sureshkheni93@gmail.com

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Frequently asked questions about Calculator App

Is Calculator App free?

Yes. Calculator App is free on Google Play.

Is Calculator App still available?

Yes. Calculator App is on Google Play, and the last update we saw was on May 29, 2026.

Does Calculator App contain ads?

Yes. Google Play lists Calculator App as containing ads.

How large is Calculator App?

Calculator App is 11.29 MB.

Is Calculator App suitable for children?

Google Play rates the content of Calculator App as suitable for everyone.

How many times has Calculator App been installed?

Google Play lists 500,000+ installs for Calculator App.

How do people rate Calculator App?

Calculator App scores 4.28 out of 5 stars, from 1,718 ratings on Google Play.

Who made Calculator App?

Calculator App was developed by OnTheGo Invoice Maker Lab. It is listed in the tools category on Google Play.

What are the best alternatives to Calculator App?

People looking at Calculator App also look at these tools apps: Calculator, Calculator, Calculator・Simple Calculator, CALCU Stylish Basic Calculator, Simple Calculator: Math Solver.

Share Calculator App

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