# Sismy vs QuickQuake

The clearest difference is in-app purchases: QuickQuake at none against Sismy's 1. QuickQuake also leads on ads (none vs shown). Sismy's advantage is iOS requirement (18.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Sismy sells 1 one-off in-app purchase. QuickQuake asks for nothing beyond the download.

## The numbers

| Metric | Sismy | QuickQuake |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 15 MB | 2 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Muhammed Yusuf Guven](https://appshunter.io/developer/1850783846) | [Justin Lorenz](https://appshunter.io/developer/6798395167) |

## What reviewers say

### Sismy

[App page](https://appshunter.io/ios/app/sismy-live-earthquake-tracker/id6793685409)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free Sismy | $4.99 | one-time |


### QuickQuake

[App page](https://appshunter.io/ios/app/quickquake/id6798395165)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sismy free?

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

### Is QuickQuake free?

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

### Do Sismy or QuickQuake have ads?

Sismy shows ads; QuickQuake does not.

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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.*