# Aurora Watcher vs MagmaSync

The clearest difference is chart position: MagmaSync at #187 against Aurora Watcher's unranked. MagmaSync also leads on update cadence (weekly vs fortnightly). Aurora Watcher's advantage is iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Aurora Watcher ships an update fortnightly, MagmaSync weekly. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Aurora Watcher | MagmaSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (162 ratings)](https://appshunter.io/ios/app/magmasync-volcano-tracker/id6761513082/reviews)** |
| Number of ratings | — | **162** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | — | **#187** |
| Size | 33 MB | 33 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Auraxis Technologies Inc.](https://appshunter.io/developer/1764657577) | [Shuangquan Li](https://appshunter.io/developer/1007061168) |

## What reviewers say

### Aurora Watcher

[App page](https://appshunter.io/ios/app/aurora-watcher/id6755603840)

This app helps you find and track the Northern Lights in Canada. It provides real-time aurora observability, forecasts for cities, and global geomagnetic activity. An interactive map shows the best viewing locations worldwide.

**Highlights:** Real-time aurora observability, City-specific aurora forecasts, Global geomagnetic activity tracking, Detailed sky and weather conditions, Interactive viewing location map

**In-app purchases:** none


### MagmaSync

[App page](https://appshunter.io/ios/app/magmasync-volcano-tracker/id6761513082)

**Currently charting:** #187 Top Free · Weather (US App Store)

Get real-time updates on Kilauea volcano activity, including eruption status, forecasts, and observatory messages. View live camera feeds, ground deformation data, and summit weather. Features AI-powered summaries and multi-language translation.

**Highlights:** Real-time alert level and color code, Official observatory messages, Eruption status tracking, AI-powered eruption forecasts, Push notifications for alerts, Live volcano camera feeds, Ground deformation plots, Summit weather conditions

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aurora Watcher free?

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

### Is MagmaSync free?

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

### Do Aurora Watcher or MagmaSync have ads?

Neither Aurora Watcher nor MagmaSync shows ads.

### Which is updated more often, Aurora Watcher or MagmaSync?

Aurora Watcher ships an update fortnightly, and MagmaSync weekly. Most recently, Aurora Watcher was updated on September 26, 2026 and MagmaSync on October 2, 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.*