Ohms Law Calculator

Calculate current, resistance, voltage and power factor for AC and DC circuits.

Pro Certs Software Ltd · com.procerts.ohmslaw

Not rated yet 10K+ downloads v2.0.0 5.9 MB Android 7.0+ PEGI 3 · Everyone

Download APK 5.9 MB All versions

Signature matches the Google Play version Details

Watch the Ohms Law Calculator trailer on YouTube

At a glance

Latest version: v2.0.0 (20000)
Updated: Jul 28, 2026 (2 months ago)
APK size: 5.9 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Productivity (app)
Listed since: Dec 3, 2021 (at least)
Permissions: 10
Website: procertssoftware.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Ohms Law Calculator is an app by Pro Certs Software Ltd in the Productivity category, listed since at least December 2021. It has no native code, so it runs on any Android processor.

Since version 1.3.8, the minimum Android version rose from 6.0 to 7.0. It asks for 10 permissions, none of them sensitive. Compared with version 1.3.9, it adds 1 new permission: “Google Play install referrer”. The app can read the advertising ID that ad and analytics services use.

What's new in v2.0.0

28/07/2026 v2.0 - Android 35 update - New UI - Performance improvements

Description

From the listing uploaded by “appupdater”.

The professional Ohm's Law Calculator on Android for AC (single phase & three phase) and DC circuits. Calculate or convert Voltage (volts), Current (Amps), Resistance (Ohms), Power Factor (PF), kW or Power (Watts) in one easy use to use Ohms Law app. Enter any 2 values to calculate the remaining two. FEATURES: - Calculate Resistance (Ohm's) - Calculate Power (Watts) - Calculate Voltage (Volts) - Calculate Current (Amps) - Calculate Power Factor (AC Three phase) - Calculator kW (AC Three Phase) DEFINITIONS: V = Voltage (Volts) I = Current (Amps) R = Resistance (Ohms) P = Power (Watts/kW)

Version history

3 versions are listed, going back to v1.3.8. Since v1.3.9 it requires Android 7.0+.

v2.0.0 LATEST Jul 28, 2026 5.9 MB TRUSTED v1.3.9 Jun 22, 2026 6.1 MB TRUSTED v1.3.8 Sep 27, 2024 6 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 28, 2026.
Certificate issued to “Pro Certs Software Ltd” 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 Jul 28, 2026
Validated against Google Play Jul 28, 2026
Signed byCN=Gary Lince, O=Pro Certs Software Ltd, C=GB
Signing certificate (SHA-1)AD:9B:FE:0C:E9:2E:0A:37:F1:C7:E1:66:CD:74:0F:85:CC:3C:B5:FD
File MD57bd8ad748f7edfef99f5930c5bc75a12
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 (10)

Ohms Law Calculator requests 10 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.procerts.ohmslaw.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Ohms Law Calculator APK: questions and answers

Is there a version of Ohms Law Calculator for older Android phones?

The current version needs Android 7.0 or later. Version 1.3.8 is the newest listed build that installs on Android 6.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.3.8 · 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 Ohms Law 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 7bd8ad748f7edfef99f5930c5bc75a12.