Hand-Arm Vibration Calculator app icon

Hand-Arm Vibration Calculator

This tool calculate total hand-arm vibration exposure from various power tools

Iting Shofwati · appinventor.ai_smabruri.HAV_Calculator

Not rated yet 1K+ downloads v2.1 8.2 MB Android 5.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v2.1 (4)
Updated
Apr 24, 2026 (6 months ago)
APK size
8.2 MB
Requires
Android 5.0+ (API 21)
CPU support
Any (no native code)
Category
Tools (app)
Listed since
Oct 30, 2020 (at least)
Permissions
6 (3 sensitive)
Developer contact
[email protected]

About this APK

Hand-Arm Vibration Calculator is an app by Iting Shofwati in the Tools category, listed since at least October 2020. It has no native code, so it runs on any Android processor.

It asks for 6 permissions, 3 of them sensitive: read phone status and identity, read shared storage and modify shared storage.

What's new in v2.1

- Fix blank data filling problem and bug - Convert the calculation to PDF

Description

From the listing uploaded by “appupdater”.

Hand-arm vibration syndrome can be debilitating condition but it is still easy to prevent by limiting exposure below the threshold limit value. The worker’s exposure level can be determined by knowing the several of power tool's magnitude and the duration each exposure. Therefore the control measures can be determined as a preventive measure in preventing occupational disease caused by Hand-Arm Vibration exposure. This android-based application was developed as one software that can be used by industrial hygienist practitioners in the field to evaluate the hand. This application is accurate and easy to use wherever even when you are offline. Enter the tool’s name, tool’s magnitude and exposure duration, this application will automatically: • Estimate the time to reach the threshold limit value, that indicated how long can safely use the tool • Determine each partial exposure. • Display color changes on each worker’s exposure, thus giving a warning signal to industrial hygienist's for extreme exposure to each power tools • Estimate the worker’s total exposure from the various power tools operated in a series of process (more than 5 type of power tools)

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Apr 24, 2026.
  • Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.

Store checks and file details

  • Developer signature verified Apr 24, 2026
  • Validated against Google Play Apr 24, 2026
  • Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
  • Signing certificate (SHA-1)56:03:BB:5B:2B:55:22:9B:94:E4:ED:50:AF:AD:5D:70:6B:7F:BB:5E
  • File MD502a18cb833ec030f0fafa3044bea8f83
  • 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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (6)

Hand-Arm Vibration Calculator requests 6 permissions, 3 of them sensitive.

Required hardware & features

Hand-Arm Vibration Calculator 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 Hand-Arm Vibration 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. After downloading, check that the file's MD5 is 02a18cb833ec030f0fafa3044bea8f83.

Tags

More Tools apps