Industrial Instrumentation

A very handy and informative app for students and those who are interested!

gustar-droid · com.prashantsj.apps.instrumentation

Not rated yet 1K+ downloads v1.0.4 8.7 MB Android 7.0+ PEGI 3 · Everyone

Download APK 8.7 MB All versions

Signature matches the Google Play version Details

Industrial Instrumentation screenshot 10

At a glance

Latest version: v1.0.4 (9)
Updated: Jun 1, 2025 (1 year ago)
APK size: 8.7 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Feb 8, 2020 (at least)
Permissions: 9
Website: gustar-droid.blogspot.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Industrial Instrumentation is an app by gustar-droid in the Education category, listed since at least February 2020. It has no native code, so it runs on any Android processor.

It asks for 9 permissions, none of them sensitive. It asks for the same permissions as version 1.0.3. The app can read the advertising ID that ad and analytics services use.

What's new in v1.0.4

Reduced ads

Description

From the listing uploaded by “catappult”.

This is a very compact knowledge building app on electronic measurements and Instrumentation. There are many MCQs, true/false and fill in the blanks. The topics covered are Measurements and Errors, Direct current indicating instruments, Bridges and their applications, Electronic Instruments for measuring basic parameters, Instrument transformers, Oscilloscope, signal generation, Frequency counters, Transducers, Analog and digital data acquisition. Your suggestions are welcome on our email address.

Version history

3 versions are listed, going back to v1.0.2.

v1.0.4 LATEST Jun 1, 2025 8.7 MB TRUSTED v1.0.3 Jun 1, 2025 8.7 MB TRUSTED v1.0.2 Jun 1, 2025 8.7 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 1, 2025.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jun 1, 2025
Validated against Google Play Jun 1, 2025
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)19:61:32:2F:36:EB:6D:69:5D:A4:57:E0:68:1E:E6:54:F5:34:56:1C
File MD5c913dd740562af0916cc00f3d62b6b8e
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 (9)

Industrial Instrumentation requests 9 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
Internal broadcast protection (app-defined) com.prashantsj.apps.instrumentation.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