Simple Calculator

Simple Calculator
Simple Calculator
Developer: SIMPLE APPS
Category: Productivity
22.1M installs
65.8K ratings
412.6K monthly active users
$50K+ monthly revenue est.
IAP 49% · Ad 51%
Install Trends
Weekly +43.1K
Steady
Monthly +166.3K
Steady

Simple Calculator Summary

Simple Calculator is a ad-supported, with in-app purchases Android app in Productivity by SIMPLE APPS. Released in Dec 2018 (7 years ago). It has about 22.1M+ installs and 65.8K ratings with a 4.40★ (good) average. Based on AppGoblin estimates, it reaches roughly 412.6K monthly active users and generates around $50K+ monthly revenue (49% IAP / 51% ads). Store metadata: updated Mar 10, 2026, version 110.

Recent activity: 43.1K installs this week (166.3K over 4 weeks) showing steady growth , and 78 new ratings this week View trends →

Data tracking: SDKs and third-party integrations were last analyzed on Mar 6, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Nov 5, 2025.

Store info: Last updated on Google Play on Mar 10, 2026 (version 110).


4.4★

Ratings: 65.8K

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Screenshots

App screenshot
App screenshot
App screenshot
App screenshot

App Description

Do simple and scientific calculations easily.

[Key features]
Perform four fundamental operations and engineering calculations.

To start the engineering calculator, tap the engineering calculator icon.

To check the calculation history, tap the calculation history icon.

You can use all the previously inputted formulas. Tap the formula you need from the calculation history.

[Additional features]
To convert units, tap the unit calculator button. You can easily convert various types of
Currency,
Area,
Length,
Temperature,
Volume,
Mass,
Data,
Speed,
Time,
Date,
BMI,
Discount,
Age,
Numeral System,
GST,
Split bill,
Frequency,
Fuel,
Angle,
Pressure,
Force,
Power,
Loan


To change theme mode, tap the night mode icon.

To specify the time of night mode, select time range from settings.

To change color, chose the color you want from settings

To delete a history, long press on it in the history page

To change language, select preferred language from settings.

To play a beep or vibrate when pressing a button, go to settings.

To change numerals, select preferred numerals from settings (All numerals are supported)

To change number format, select the preferred format from settings

To change decimal places after the comma, select the number of decimal places from settings

To enable / disable full screen, enable / disable it from settings.

To keep calculation record, enable/disable it from settings.

To keep the screen on, enable/disable it from settings.
To hide an icon, go to settings.

*****
Last but not least, all of these features come in small size and it is completely free.