Short Circuit Current Calc

Application for calculating an initial 3-phase symmetric short circuit current.

ls4soft · pl.lukasz.pradzwarciowy

Not rated yet 1K+ downloads v0.923 2.6 MB Android 6.0+ PEGI 3 · Everyone

Download APK 2.6 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v0.923 (10)
Updated: Sep 27, 2026 (11 days ago)
APK size: 2.6 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Tools (app)
Permissions: 1
Developer contact: [email protected]

About this APK

Short Circuit Current Calc is an app by ls4soft in the Tools category. It has no native code, so it runs on any Android processor.

Since version 0.921, the APK grew from 1.5 MB to 2.6 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 1 permission, none of them sensitive.

What's new in v0.923

App upgrade to API36.

Description

From the listing uploaded by “appupdater”.

A simple application to calculate an initial symmetrical 3-phase short-circuit current. The application allows you to configure any single line of electrical circuit. The source can be a transformer or a point of the power system. The circuit may consist of any number of transformers and lines. The end of the circuit should be completed by a load or a motor. Motor participates in the short-circuit current at the point of fault. The application allows you to save files of created diagrams. The application is designed for electrical engineering students and electricians to perform simplified calculations.

Version history

3 versions are listed, going back to v0.921. Since v0.923 it requires Android 6.0+.

v0.923 LATEST Sep 27, 2026 2.6 MB TRUSTED v0.922 Aug 14, 2025 1.6 MB TRUSTED v0.921 Aug 27, 2024 1.5 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 27, 2026.
Certificate issued to “-” 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 Sep 27, 2026
Validated against Google Play Sep 27, 2026
Signed byCN=?ukasz S?jka, OU=-, O=-, L=Krak?w, ST=-, C=PL
Signing certificate (SHA-1)09:06:08:CA:49:1E:ED:22:B8:74:9A:0E:48:4C:4D:62:A0:F1:7D:53
File MD59c635d4fa96e19a97b362f6426095d50
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 (1)

Short Circuit Current Calc requests 1 permission, none of them sensitive.

Internal broadcast protection (app-defined) pl.lukasz.pradzwarciowy.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

Short Circuit Current Calc APK: questions and answers

Is there a version of Short Circuit Current Calc for older Android phones?

The current version needs Android 6.0 or later. Version 0.922 is the newest listed build that installs on Android 5.0 and later. Get version 0.922 · 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 Short Circuit Current 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 2 other versions checked. After downloading, check that the file's MD5 is 9c635d4fa96e19a97b362f6426095d50.