Square Root Calculator

Calculate square roots with steps, exact results, and practice mode.

Georg Kiefer · an.SquareRoot

5.0 out of 5 (1 rating) 500K+ downloads v26.5 5.8 MB Android 6.0+ PEGI 3 · Everyone

Download APK 5.8 MB All versions

Same certificate as v23.8, which matches Google Play Details

Watch the Square Root Calculator trailer on YouTube

At a glance

Latest version: v26.5 (91)
Updated: May 12, 2026 (5 months ago)
APK size: 5.8 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Education (app)
Listed since: Jan 23, 2020 (at least)
Permissions: 8
Website: bit.ly/gk-apps
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Square Root Calculator is an app by Georg Kiefer in the Education category, listed since at least January 2020. 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 23.8, the minimum Android version rose from 4.1 to 6.0. It asks for 8 permissions, none of them sensitive. It asks for the same permissions as version 25.11. The app can read the advertising ID that ad and analytics services use.

What's new in v26.5

- Redesigned the user interface with a cleaner, more modern layout. - Added a trainer mode for practicing square roots of perfect squares. - Added detailed help and first-start guidance. - Improved exact-form explanations and localization.

Description

From the listing uploaded by “catappult”.

Square Root Calculator is a practical Android app for calculating square roots with step-by-step explanations instead of only showing the final result. The app not only displays rounded decimal numbers, but also provides exact results whenever possible. This makes it ideal for school, studying, and understanding mathematics more deeply. The app also includes a practice mode for square numbers with instant feedback to help improve mental math skills and mathematical understanding. A help section provides examples, explanations, and useful information about square roots. Features: • Calculate square roots • Show step-by-step solutions • Exact results instead of only decimal values • Practice mode for square numbers • Instant feedback during exercises • Help section with examples and explanations • Simple and easy-to-use interface Ideal for students and anyone who wants to better understand square roots.

Version history

3 versions are listed, going back to v23.8. Since v25.11 it requires Android 6.0+.

v26.5 LATEST May 12, 2026 5.8 MB TRUSTED v25.11 May 12, 2026 5.7 MB TRUSTED v23.8 May 12, 2026 3.1 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Georg Kiefer” This is the certificate of the Google Play version.
Same certificate as v23.8, which matches Google Play v23.8

Store checks and file details

Developer signature verified May 12, 2026
Signed byCN=Georg Kiefer, L=Koblenz, ST=Germany, C=DE
Signing certificate (SHA-1)75:C9:81:67:02:93:40:62:AE:2C:C2:9B:5F:B5:47:43:3B:A7:F0:52
File MD5826dc0e415d457bed00e9debf0442e74
Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

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 (8)

Square Root Calculator requests 8 permissions, none of them sensitive.

Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Google Play license check com.android.vending.CHECK_LICENSE
Internal broadcast protection (app-defined) an.SquareRoot.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Wi-Fi android.hardware.wifi

Square Root Calculator APK: questions and answers

Is there a version of Square Root Calculator for older Android phones?

The current version needs Android 6.0 or later. Version 23.8 is the newest listed build that installs on Android 4.1 and later. Get version 23.8 · 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 Square Root 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. It is signed with the same certificate as version 23.8, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 826dc0e415d457bed00e9debf0442e74.