Calculator: Simple Calculator app icon

Calculator: Simple Calculator

Calculator: All-in-one Calculator for Percentage, Tip, Loan + Unit, Currency etc

Efficient Tools · calculator.currencyconverter.tipcalculator.unitconverter

Not rated yet 50M+ downloads v1.3.10 31.5 MB Android 10+ PEGI 3 · Everyone

Download APK 31.5 MB All versions

At a glance

Latest version
v1.3.10 (46)
Updated
Sep 4, 2026 (1 month ago)
APK size
31.5 MB
Requires
Android 10+ (API 29)
CPU support
ARM 64-bit
Category
Tools (app)
Permissions
18 (3 sensitive)
Website
rotech.mobi
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Calculator: Simple Calculator is an app by Efficient Tools in the Tools category. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

It asks for 18 permissions, 3 of them sensitive: camera, read shared storage and modify shared storage. The app can read the advertising ID that ad and analytics services use.

What's new in v1.3.10

🎯 Now support solving problems across multiple subjects ⚡ Faster solving speed with optimized algorithms 🛠️ Bug fixes and smoother experience

Description

From the listing uploaded by “superpocket”.

Your perfect Android calculator app for quick and easy calculations on all occasions! With our free calculator, there's no need to worry about the math; enjoy the simple calculator packed with a sleek and intuitive interface as well as multiple offline calculator functions meeting all your needs! No matter whether you want a calculator for Samsung, a calculator for Xiaomi or for other devices, our app ensures faster speed, better performance and more abundant modes as your must-have offline calculator tool. What makes us a helpful Android calculator that distinguishes from other free calculators: 🔢 Basic & Scientific Calculator • Master the 4 basic offline calculator operations: square, roots, parentheses, and percentages. • Perform a wide range of scientific calculations: log, ln, √, sin, cos, tan, etc., all through our free calculator. We even optimize it to serve as a calculator for Google. • Move the cursor anywhere for equation editing and copying, making it a really simple calculator. • Simplify your math with the convenient interface particularly designed for Android calculator users. • Tailor your calculation precision from 0 to 10 decimal places. • Save in real time. You can pick calculations up from the offline calculator history at ease, even if you accidentally close the app. 📏 Unit Converter for Android Calculator • Convert units for length, area, volume, weight, time, and data all through the simple calculator • Cover all your daily life unit conversions in one free calculator. 💱 World Currency Converter • Access real-time exchange rates for all global currencies and perform currency conversions with one tap. • Convert 4 currencies at once. 🏷️ Discount Calculator • See savings, taxes, and the total just need to input amounts, discount rates, and tax. 💰GST Calculator • Get the total price by entering the original cost and tax rate. 🏦 Loan Calculator • Easily track your loan bills by inputting interest and principal for equal principal, equal installments, etc. 📆 Date Calculator • Support calculating dates and the interval between two dates. 💵 Tip Calculator • Just input your bill amount and tip percentage to get the tip automatically. • Exclude tips from taxable calculations, saving you time and hassle. • Quickly know each person's share by dividing the final amount evenly. 📱 User-Friendly Design • Enjoy an error-free input experience with our large keyboard for all ages. Beautiful interface as a calculator for Redmi. • Say goodbye to input errors with optional key vibrations.

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “zph-mph” Not the developer's name (“Efficient Tools”). Names in certificates can't be verified, so this alone proves nothing.

Store checks and file details

  • Developer signature under review Sep 4, 2026
  • Signed byCN=Jx Clarynx, O=zph-mph, OU=anon.org, L=Caraga, ST=Surigao Del Norte, C=8609
  • Signing certificate (SHA-1)7D:64:F9:C2:53:C7:EF:35:A0:72:0F:6F:8A:80:2B:D4:B9:20:AA:3A
  • File MD513c186f9d6ebc6c764779079b6629ca1
  • Uploaded by “superpocket” Silver tier · 5,272 followers · uploading since 2016

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (18)

Calculator: Simple Calculator requests 18 permissions, 3 of them sensitive.

Required hardware & features

Calculator: Simple Calculator APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the Calculator: Simple Calculator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 13c186f9d6ebc6c764779079b6629ca1.

Tags

calculator currencyconverter tipcalculator unitconverter tools

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