# AlertMeter

> AlertMeter measures a person’s cognitive alertness with a graphic test.

Canonical page: [https://chrome-stats.com/d/com.alertmeter](https://chrome-stats.com/d/com.alertmeter)

## Overview

- **ID:** `com.alertmeter`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Predictive Safety SRP
- **Category:** HEALTH\_AND\_FITNESS
- **Downloads:** 20,180
- **Rating:** 3.21 / 5 (55 ratings)
- **Version:** 2.119.140
- **Last updated:** 2026-08-22
- **First published:** 2017-02-01
- **Publisher country:** US
- **Size:** 53 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.alertmeter)
- **Website:** [https://www.predictivesafety.com](https://www.predictivesafety.com/)
- **Privacy policy:** [https://predictivesafety.com/privacy-policy/](https://predictivesafety.com/privacy-policy/)

## Description

**AlertMeter** is a Chrome extension designed to measure a person's cognitive alertness through an intuitive graphic test. It helps identify if factors like fatigue, illness, medication, or distractions are affecting mental sharpness, making it ideal for employees in safety-sensitive or quality-critical roles.

Developed specifically for corporate environments, AlertMeter allows individuals to regularly assess their own alertness levels, while providing companies with an aggregated, privacy-respecting daily overview of employee cognitive states. This offers a more accurate fit-for-work evaluation compared to many traditional testing methods. For businesses aiming to enhance workplace safety and employee wellness, AlertMeter serves as an effective tool. Visit our website for more details on implementing AlertMeter in your organization.

## Rankings

- #432,636 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REORDER_TASKS`
- `android.permission.WAKE_LOCK`
- `com.alertmeter.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`

## Review summary

Users find AlertMeter has good intentions and useful safety features, especially for workplace check-ins and vigilance testing. However, many report serious usability problems, notably difficulty creating demo accounts, login issues, app hangs, and display errors, which prevent proper evaluation and use.

### Pros

- Increases safety through technology
- Useful for getting everyone checked in and on the same page
- Based on good scientific principles and is useful
- Good idea for business use

### Cons

- Difficult or impossible to create a demo user account
- App often does not work or hangs during sync
- Login process is hard and unreliable
- Does not display correctly on some phones

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.alertmeter)