# SkyTrace vs QuakeAlert

The clearest difference is in-app purchases: QuakeAlert at none against SkyTrace's 1. QuakeAlert also leads on update cadence (every 2 days vs every 2 months). SkyTrace's advantage is ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. SkyTrace sells 1 in-app purchase, starting at $2.99 per month. QuakeAlert asks for nothing beyond the download.

SkyTrace ships an update every 2 months, QuakeAlert every 2 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SkyTrace | QuakeAlert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 69 MB | 66 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [MUSTAFA 0GUZHAN AYDIN](https://appshunter.io/developer/6771523652) | [MESTRE DIGITAL INFORMATICA LTDA](https://appshunter.io/developer/6779364483) |

## What reviewers say

### SkyTrace

[App page](https://appshunter.io/ios/app/skytrace-stargazing-map/id6771523650)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyTrace Pro Monthly | $2.99 | per month |


### QuakeAlert

[App page](https://appshunter.io/ios/app/quakealert-earthquake-map/id6785703415)

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

**In-app purchases:** none


## Frequently asked questions

### Is SkyTrace free?

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

### Is QuakeAlert free?

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

### Do SkyTrace or QuakeAlert have ads?

QuakeAlert shows ads; SkyTrace does not.

### Which is updated more often, SkyTrace or QuakeAlert?

SkyTrace ships an update every 2 months, and QuakeAlert every 2 days. Most recently, SkyTrace was updated on October 7, 2026 and QuakeAlert on October 25, 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.*