Simple Calculator app icon

Simple Calculator

Very simple calculator for daily use. Completely free and without ads.

Piotr R. Sawicki · com.sawicki.piotr.calculator.simple.simplecalculator

Not rated yet 1M+ downloads v1.20 1.1 MB Android 4.1+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v1.20 (20)
Updated
Aug 25, 2025 (1 year ago)
APK size
1.1 MB
Requires
Android 4.1+ (API 16)
CPU support
Any (no native code)
Category
Productivity (app)
Listed since
Aug 14, 2023 (at least)
Developer contact
[email protected]

About this APK

Simple Calculator is an app by Piotr R. Sawicki in the Productivity category, listed since at least August 2023. It has no native code, so it runs on any Android processor.

What's new in v1.20

Resolved an issue where the main window did not fit correctly within the system window on recent Android versions.

Description

From the listing uploaded by “appupdater”.

This is a perfect tool for daily calculations. Thanks to a big, contrastive display and large colourful buttons one can use it even on devices with a small screen. Because of tiny application size, it launches really fast and it can run smoothly on low-end smartphones. Last but not least, it is completely free and without ads. Available functions: - addition - subtraction - multiplication - division - percentage - square root - memory - constant mode

Version history

3 versions are listed, going back to v1.15.

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Aug 25, 2025.
  • Certificate issued to “Piotr Sawicki” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Aug 25, 2025
  • Validated against Google Play Aug 25, 2025
  • Signed byCN=Piotr Sawicki, OU=Piotr Sawicki, O=Piotr Sawicki, L=Warsaw, ST=Mazowieckie, C=PL
  • Signing certificate (SHA-1)E3:0C:2A:78:49:22:32:67:D5:DC:67:43:29:DD:88:CD:E0:83:81:81
  • File MD53e2df30adfc33eb7e6afae73869d2294
  • 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.

Required hardware & features

Simple Calculator APK: questions and answers

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 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. 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 3e2df30adfc33eb7e6afae73869d2294.

Tags

More Productivity apps