Calculator by iSung delivers an all-in-one math and unit-conversion tool in a clean, fast Android app. It combines a basic and scientific calculator with a built-in unit converter, enabling quick solutions for everyday math and conversions. With 1,000,000+ total downloads and 220K in the last 30 days, it remains a popular choice for students and professionals alike.
Pros & Cons
All-in-one solution: math and unit conversions in a single app
Fast, responsive calculations with a clean, easy-to-use interface
Free to use with no subscription or paid barriers
Supports both basic arithmetic and scientific functions for students and professionals
No built-in currency converter or finance-focused tools highlighted
No explicit history/recall feature mentioned
Some users may prefer more specialized financial calculators beyond math and unit conversions
About Calculator
Calculator is a tools app developed by PrivateZone.
How many times has Calculator been downloaded?
Calculator has been downloaded 2.2 million times. In the last 30 days, the app was downloaded 220 thousand times.
What is the rating of Calculator?
Calculator is rated 4.16 out of 5 stars, based on 5.8 thousand ratings.
Is Calculator free?
Calculator is free to download. The APK download size is 18.46 MB. The latest version available is 1.15. The last update was on July 13, 2026.
What are the requirements for Calculator?
The app has a content rating of Everyone. The app has been available on Google Play July 2023.
Description
Calculator is a simple and reliable calculator app designed to help you perform everyday calculations quickly and accurately. It is suitable for students, professionals, and anyone who needs an easy way to solve math problems on their mobile device.
The app includes a basic calculator for standard arithmetic operations such as addition, multiplication, division, and percentage calculations. For more advanced needs, the scientific calculator provides functions like square root, trigonometry, logarithms, and exponential calculations, making it useful for a wide range of math tasks.
Calculator also features a built-in unit converter, allowing you to convert values across multiple categories without using separate apps. You can easily work with area, length,Temperature, volume, speed, and mass, making it a practical tool for everyday conversions.
The after-call feature provides quick access to basic and scientific calculators. It allows users to perform necessary calculations immediately after a phone call with ease.
With a clean layout and responsive performance, this simple math app focuses on clarity and ease of use. It works smoothly on mobile devices and delivers results instantly, helping you complete calculations with confidence.
Whether you need a math calculator for daily arithmetic, a scientific calculator for advanced formulas, or a convenient unit converter, this app offers a balanced and practical solution for basic and advanced calculations.
⭐Key Features ● Basic calculator for everyday arithmetic ● Scientific calculator with trigonometry and advanced math functions ● Supports addition, multiplication, division, and percentage calculations ● Square root, power, and logarithmic functions ● Built-in unit converter for area, length, volume, speed, and mass ● Clean and easy-to-use interface ● Fast and responsive calculation performance ● Suitable for students, professionals, and general users ● All-in-one mobile calculator for math and conversions
🎯Perfect For ● Students learning basic and advanced mathematics ● Professionals who need quick and accurate calculations ● Everyday users handling simple math tasks ● Anyone looking for a fast and easy calculator app ● Users who need a convenient unit converter on their mobile device
✅ Why Choose This Calculator App? This calculator app combines simplicity with powerful features. It is designed to handle everything from quick calculations to advanced math and unit conversions, all in one place. No complicated setup—just open the app and start calculating.
📥 Download Calculator today and enjoy a simple, fast, and accurate calculator app for all your math and conversion needs. Make everyday calculations easier with one powerful tool on your mobile device.
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"Love it".I could not do most of my business, without.#10
★★★★★Alicia V Fisher· Jun 16, 2026
Easy working with. I use it often to check my age because it's hard to remember.
★★★★★Victor jr Santos silver· Jul 11, 2026
It helps me about studying and calculating my age (thanks calculator)
★☆☆☆☆Dennis Fawver· Jun 16, 2026
Why would a calculator need to control and make phone calls?
★☆☆☆☆Cpl Willi· Jun 26, 2026
I didn't intall because what notifications do you need to send me as a calculator...
★☆☆☆☆Kuldeep Singh· Jun 20, 2026
In convenient due to mo run necessary notification, so I don't like this।।।।।।
★☆☆☆☆Stephen Harper· Jun 14, 2026
All I want is a calculator. This app is more concerned about ads than working
Google Play Rankings for Calculator
This app is not ranked
Technologies used by Calculator
Calculator is requesting 33 permissions and we don't have library information (yet).
Show details
Trust & Safety: The app requests a mix of standard internet/ads-related permissions (e.g., ACCESS_NETWORK_STATE, INTERNET, POST_NOTIFICATIONS, WAKE_LOCK, FOREGROUND_SERVICE, AD_ID/BILLING). This pattern is typical for free, ad-supported tools and does not indicate access to sensitive personal data beyond device and network state; users should review permissions in-app for transparency.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
