Calculator Pro: Calculator App app icon

Calculator Pro: Calculator App

Basic + Scientific Calculator + Currency + Unit Converter + Tip + Percentage

Simple Design Ltd. · calculator.converter.conversioncalculator.calculatorapp

Not rated yet 1M+ downloads v1.1.8 31.2 MB Android 8.0+ PEGI 3 · Everyone

Download APK 31.2 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v1.1.8 (21)
Updated
Sep 1, 2026 (1 month ago)
APK size
31.2 MB
Requires
Android 8.0+ (API 26)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Tools (app)
Listed since
Aug 12, 2022 (at least)
Permissions
15 (2 sensitive)
Website
simpledesign.ltd
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Calculator Pro: Calculator App is an app by Simple Design Ltd. in the Tools category, listed since at least August 2022. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.1.4, the APK grew from 10.9 MB to 31.2 MB and the minimum Android version rose from 5.0 to 8.0. It asks for 15 permissions, 2 of them sensitive: read shared storage and modify shared storage. It asks for the same permissions as version 1.1.7. The app can read the advertising ID that ad and analytics services use.

Description

From the listing uploaded by “appupdater”.

Welcome to use this handy calculator, a simple and practical tool for your daily life with a clean interface! The calculator can meet all your needs perfectly, like: ✔️Basic & Scientific Calculations ✔️Currency & Common Units Converting ✔️Tips, Discounts & Tax Calculating Key Functions You Can Get: 1. Basic & Scientific calculator • Support 4 basic math operations. • Support scientific calculations: Square + Root + Parentheses + Percentage + Trigonometric + Exponential + Logarithmic functions. • Edit expressions freely with a movable cursor. • Keep the last expression after an accidental quit. • History available for copy-and-paste. 2. Unit conversion • Applicable for various types of unit conversion: length, weight, area, volume, time, and data size. • Offline assistant for you to do the math in daily life. 3. World currency conversion • Include 150+ currencies to convert, like dollar, euro, pound, yuan, yen, etc. • Support converting 4 currencies altogether. • Get the real-time exchange rate of all currencies automatically. 4. Tip calculations • Get the total bill, tips and amount per person instantly by inputting the billing amount and tip rate. • Tax optional. • Split the bill easily by sharing results with your friends. 5. Discount & tax calculations • Know the discount price via entering the original price and discount percentage. • Find out how much you can save intuitively. 6. Loan calculations • Track your total repayment and monthly bills. • Applicable for various payback methods, such as equal principal and equal installments. 7. Date calculations • Allows to determine the interval between two specific dates. • Ideal for countdown towards a special date. Additional functions: • Simple, intuitive and user-friendly design with large buttons and optional vibration. • Customizable precision and decimal place.

Version history

4 versions are listed, going back to v1.1.4. Since v1.1.7 it requires Android 8.0+.

v1.1.8 LATEST Sep 1, 2026 31.2 MB TRUSTED v1.1.7 Jul 24, 2026 31.1 MB TRUSTED v1.1.5 Jul 17, 2026 21.1 MB TRUSTED v1.1.4 Apr 14, 2026 10.9 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 1, 2026.
  • Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature under review Sep 1, 2026
  • Validated against Google Play Sep 1, 2026
  • Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
  • Signing certificate (SHA-1)73:8A:EA:56:27:4B:43:AD:A0:38:AE:9D:DA:79:E1:C5:0F:25:CB:1C
  • File MD51c70b9bac0a68c888bac13edfb6c20d5
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (15)

Calculator Pro: Calculator App requests 15 permissions, 2 of them sensitive.

Required hardware & features

Calculator Pro: Calculator App APK: questions and answers

Is there a version of Calculator Pro: Calculator App for older Android phones?

The current version needs Android 8.0 or later. Version 1.1.5 is the newest listed build that installs on Android 6.0 and later. Get version 1.1.5 · All versions

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

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Calculator Pro: Calculator App APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 1c70b9bac0a68c888bac13edfb6c20d5.

Tags

calculator converter conversioncalculator calculatorapp tools

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