All-in-1-Calc app icon

All-in-1-Calc

Powerful and easy to use scientific/programmer's calculator.

Speed Software · com.speedsoftware.allin1calcfree

3.0 out of 5 (1 rating) 100K+ downloads v2.3 1.4 MB Android 5.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v2.3 (24)
Updated
Dec 7, 2025 (10 months ago)
APK size
1.4 MB
Requires
Android 5.0+ (API 21)
CPU support
Any (no native code)
Category
Productivity (app)
Listed since
Oct 28, 2022 (at least)
Permissions
2
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

All-in-1-Calc is an app by Speed Software in the Productivity category, listed since at least October 2022. It has no native code, so it runs on any Android processor.

It asks for 2 permissions, none of them sensitive. It asks for the same permissions as version 2.2.

What's new in v2.3

Updated the target API level in line with Google Play requirements

Description

From the listing uploaded by “appupdater”.

Free version of All-in-1 Calc. Powerful and easy to use scientific/programmer's calculator. Nice UI with large buttons, haptic feedback and digit grouping. All the usual scientific functions plus unit & currency converters, constants and hex/dec/bin/oct functions.

Version history

2 versions are listed, going back to v2.2.

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Dec 7, 2025.
  • Certificate issued to “Speed Software” This is the certificate of the Google Play version.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature verified Dec 7, 2025
  • Validated against Google Play Dec 7, 2025
  • Signed byCN=Colin Speed, OU=Company, O=Speed Software, L=Dawlish, ST=Devon, C=UK
  • Signing certificate (SHA-1)C0:5A:7B:EA:A0:D6:8F:AA:40:73:1C:62:28:BB:C2:60:59:6E:21:E8
  • File MD52cd7e04a69e263471701eef84c94eb7f
  • 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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

All-in-1-Calc requests 2 permissions, none of them sensitive.

Required hardware & features

All-in-1-Calc 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 All-in-1-Calc 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 other version checked. After downloading, check that the file's MD5 is 2cd7e04a69e263471701eef84c94eb7f.

Tags

More Productivity apps