# CrewAlert vs AHM Notify

The clearest difference is rating: CrewAlert at 4.0 against AHM Notify's 3.0. CrewAlert also leads on review sentiment (25% vs 0%) and update cadence (every 2 months vs every 4 months). AHM Notify's advantage is in-app purchases (none vs 2) and ratings volume (6 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. CrewAlert sells 2 in-app purchases, starting at $1.99 per month. AHM Notify asks for nothing beyond the download.

CrewAlert holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 25% of CrewAlert's written reviews are positive against 0% of AHM Notify's.

CrewAlert ships an update every 2 months, AHM Notify every 4 months. The most recent releases landed on August 30, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | CrewAlert | AHM Notify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/crewalert/id391351389/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/ahm-notify/id897702485/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 53 MB |
| Requires iOS | 15.6 | **10.3** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeppesen Systems AB](https://appshunter.io/developer/391351392) | [The Boeing Company](https://appshunter.io/developer/493615170) |

## What reviewers say

### CrewAlert

[App page](https://appshunter.io/ios/app/crewalert/id391351389)

This app helps airline professionals and crew manage fatigue risk by predicting and analyzing alertness levels. It offers tools for proactive and reactive fatigue reporting, risk reduction, and data collection, built on a scientific alertness model.

**Highlights:** Predictive fatigue analysis, Proactive fatigue data collection, Simplified fatigue reporting, Context-sensitive fatigue mitigation, Alertness prediction model, Sleep diary and data collection, What-if scenario planning

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CrewAlert (1 Month) | $1.99 | per month |
| CrewAlert Yearly (12 months) | $19.99 | per year |


### AHM Notify

[App page](https://appshunter.io/ios/app/ahm-notify/id897702485)

This application provides real-time updates on high-priority aircraft maintenance issues for aviation professionals. It allows users to view, manage, and act on fault and alert information directly from a mobile device. Access requires a subscription to a specific aviation health management service.

**Highlights:** Real-time maintenance issue awareness, View and manage fault/alert information, Mobile access for dispatchers and supervisors, Requires Airplane Health Management subscription, Email notification triggers

**In-app purchases:** none


## Frequently asked questions

### Is CrewAlert free?

CrewAlert is free to download, with in-app purchases available.

### Is AHM Notify free?

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

### Which has better reviews, CrewAlert or AHM Notify?

CrewAlert is rated higher. CrewAlert averages 4.0 out of 5 from 2 ratings, while AHM Notify averages 3.0 from 6 ratings.

### Do CrewAlert or AHM Notify have ads?

Neither CrewAlert nor AHM Notify shows ads.

### Which is updated more often, CrewAlert or AHM Notify?

CrewAlert ships an update every 2 months, and AHM Notify every 4 months. Most recently, CrewAlert was updated on August 30, 2026 and AHM Notify on June 11, 2026.

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