# Hazard Notifier vs Central Alert Repository

The clearest difference is review sentiment: Central Alert Repository at 94% against Hazard Notifier's 50%. Central Alert Repository also leads on rating (4.8 vs 3.8) and in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hazard Notifier sells 1 one-off in-app purchase. Central Alert Repository asks for nothing beyond the download.

Central Alert Repository holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Central Alert Repository has 53 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 50% of Hazard Notifier's written reviews are positive against 94% of Central Alert Repository's.

Hazard Notifier ships an update every 2 months, Central Alert Repository every 5 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hazard Notifier | Central Alert Repository |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (8 ratings)](https://appshunter.io/ios/app/hazard-notifier/id703558388/reviews) | **[4.8 (53 ratings)](https://appshunter.io/ios/app/central-alert-repository/id6741344515/reviews)** |
| Number of ratings | 8 | **53** |
| Positive reviews | 50.0% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 9 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ITDT LLC](https://appshunter.io/developer/703558391) | [Global Weather & EAS Society, LLC](https://appshunter.io/developer/1815085452) |

## What reviewers say

### Hazard Notifier

[App page](https://appshunter.io/ios/app/hazard-notifier/id703558388)

Receive timely alerts for a wide range of potential hazards, including severe weather, natural disasters, and even space events. Customize notification ranges and types, and contribute to community safety by reporting emerging incidents.

**Highlights:** Customizable notification range and hazard types, Real-time hazard tracking on a map, User reporting of emerging events, Push notifications for critical alerts, Wide range of hazard categories including weather and natural disasters, Reporting statistics for users

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Version | $0.99 | one-time |


### Central Alert Repository

[App page](https://appshunter.io/ios/app/central-alert-repository/id6741344515)

Access a real-time archive of nationwide emergency alerts, including severe weather warnings and official emergency messages. Stay informed about local threats and national crises with instant updates and a searchable history.

**Highlights:** Real-time emergency alert archive, Nationwide alert access, Severe weather warnings, Searchable alert history, Instant updates, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Well-made app
- 👍 Organized and detailed
- 👍 Provides all alerts in one place
- 👍 Great for EAS enthusiasts
- 👍 Wonderful app

**What reviewers complain about**

- 🔍 No location filtering

**Reported bugs**

- Spammed with non-local alerts

**Requested features**

- Location filtering
- Additional features and improvements


## Frequently asked questions

### Is Hazard Notifier free?

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

### Is Central Alert Repository free?

Central Alert Repository is free to download, with no in-app purchases.

### Which has better reviews, Hazard Notifier or Central Alert Repository?

Central Alert Repository is rated higher. Hazard Notifier averages 3.8 out of 5 from 8 ratings, while Central Alert Repository averages 4.8 from 53 ratings.

### Do Hazard Notifier or Central Alert Repository have ads?

Neither Hazard Notifier nor Central Alert Repository shows ads.

### Which is updated more often, Hazard Notifier or Central Alert Repository?

Hazard Notifier ships an update every 2 months, and Central Alert Repository every 5 weeks. Most recently, Hazard Notifier was updated on October 23, 2026 and Central Alert Repository on October 24, 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.*