# AlertMeter vs Fatigue Meter App

The clearest difference is rating: AlertMeter at 4.4 against Fatigue Meter App's 1.6. AlertMeter also leads on review sentiment (50% vs 14%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AlertMeter holds the better App Store score, 4.4 against 1.6. Both are backed by a comparable volume of ratings — 15 and 14 respectively. Written reviews point the same way: 50% of AlertMeter's written reviews are positive against 14% of Fatigue Meter App's.

AlertMeter ships an update monthly, Fatigue Meter App fortnightly. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AlertMeter | Fatigue Meter App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/alertmeter/id1179939295/reviews)** | [1.6 (14 ratings)](https://appshunter.io/ios/app/fatigue-meter-app/id6450310712/reviews) |
| Number of ratings | **15** | 14 |
| Positive reviews | **50.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 25 MB | 24 MB |
| Requires iOS | 16.4 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Predictive Safety SRP, Inc.](https://appshunter.io/developer/1179939294) | [Pulsar Informatics Inc](https://appshunter.io/developer/1154761432) |

## What reviewers say

### AlertMeter

[App page](https://appshunter.io/ios/app/alertmeter/id1179939295)

This app helps identify when fatigue, illness, medication, or distraction may impact cognitive function. It allows individuals to regularly test their alertness levels, providing companies with a daily overview of employees in critical roles. The app is designed to respect employee privacy while assessing fitness for work.

**Highlights:** Personalized alertness testing, Company-wide daily overview, Privacy-respecting employee monitoring, Identifies impact of fatigue/illness, Assesses fitness for safety-critical roles

**Features:** Vision Pro support

**In-app purchases:** none


### Fatigue Meter App

[App page](https://appshunter.io/ios/app/fatigue-meter-app/id6450310712)

This app helps employees assess their fatigue levels during operations by creating schedule scenarios and performing validated alertness assessments. It includes the gold-standard Psychomotor Vigilance Test and synchronizes data automatically.

**Highlights:** Schedule scenario creation for fatigue risk, Validated alertness assessments, Psychomotor Vigilance Test (PVT), Customizable surveys, Wearable data synchronization, Automatic data synchronization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AlertMeter free?

AlertMeter is free to download, with no in-app purchases.

### Is Fatigue Meter App free?

Fatigue Meter App is free to download, with no in-app purchases.

### Which has better reviews, AlertMeter or Fatigue Meter App?

AlertMeter is rated higher. AlertMeter averages 4.4 out of 5 from 15 ratings, while Fatigue Meter App averages 1.6 from 14 ratings.

### Do AlertMeter or Fatigue Meter App have ads?

Neither AlertMeter nor Fatigue Meter App shows ads.

### Which is updated more often, AlertMeter or Fatigue Meter App?

AlertMeter ships an update monthly, and Fatigue Meter App fortnightly. Most recently, AlertMeter was updated on September 8, 2026 and Fatigue Meter App on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*