# Hazard Notifier vs Aurora Expert

The clearest difference is update cadence: Aurora Expert at every 6 days against Hazard Notifier's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hazard Notifier sells 1 one-off in-app purchase and Aurora Expert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hazard Notifier ships an update every 2 months, Aurora Expert every 6 days. Both last shipped on October 23, 2026.

## The numbers

| Metric | Hazard Notifier | Aurora Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (8 ratings)](https://appshunter.io/ios/app/hazard-notifier/id703558388/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ITDT LLC](https://appshunter.io/developer/703558391) | [Mark Baumann](https://appshunter.io/developer/6782979156) |

## 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 |


### Aurora Expert

[App page](https://appshunter.io/ios/app/aurora-expert/id6782979154)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurora Export Pro Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Hazard Notifier free?

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

### Is Aurora Expert free?

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

### Do Hazard Notifier or Aurora Expert have ads?

Neither Hazard Notifier nor Aurora Expert shows ads.

### Which is updated more often, Hazard Notifier or Aurora Expert?

Hazard Notifier ships an update every 2 months, and Aurora Expert every 6 days. Most recently, Hazard Notifier was updated on October 23, 2026 and Aurora Expert on October 23, 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.*