# Quick Quake vs iQuake

The clearest difference is in-app purchases: Quick Quake at none against iQuake's 2. Quick Quake also leads on iOS requirement (9.0 vs 18.0). iQuake's advantage is update cadence (every 9 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. iQuake sells 2 in-app purchases, starting at $12.99 per year. Quick Quake asks for nothing beyond the download.

Quick Quake ships an update every 6 months, iQuake every 9 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | Quick Quake | iQuake |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/quick-quake/id743534887/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 9 MB | 32 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ESS Earth Sciences](https://appshunter.io/developer/1424839112) | [DRO1D LABS LIMITED](https://appshunter.io/developer/1803083780) |

## What reviewers say

### Quick Quake

[App page](https://appshunter.io/ios/app/quick-quake/id743534887)

This tool allows for rapid earthquake location and magnitude verification. It serves as an educational resource, demonstrating how seismic waves determine earthquake epicenters. Users can quickly analyze data to refine automatic event notifications.

**Highlights:** Rapid earthquake location, Magnitude verification, P and S wave analysis, Demo data for education, Seismic observatory data integration, Adjustable travel velocities and depth

**Features:** macOS Compatibility

**In-app purchases:** none


### iQuake

[App page](https://appshunter.io/ios/app/iquake-earthquake-tracker/id6744178925)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iQuake Annual Premium Access | $12.99 | per year |
| iQuake Lifetime Premium Access | $34.99 | one-time |


## Frequently asked questions

### Is Quick Quake free?

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

### Is iQuake free?

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

### Do Quick Quake or iQuake have ads?

Neither Quick Quake nor iQuake shows ads.

### Which is updated more often, Quick Quake or iQuake?

Quick Quake ships an update every 6 months, and iQuake every 9 days. Most recently, Quick Quake was updated on October 4, 2026 and iQuake on October 4, 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.*