# QuakeZones vs TW earthquake

The clearest difference is update cadence: QuakeZones at every 2 months against TW earthquake's every 21 months. QuakeZones also leads on iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

QuakeZones ships an update every 2 months, TW earthquake every 21 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | QuakeZones | TW earthquake |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/quakezones/id352129202/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | — |
| Size | 8 MB | 7 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gripwire.com](https://appshunter.io/developer/305490374) | [Chi-Cheng Liao](https://appshunter.io/developer/1053803113) |

## What reviewers say

### QuakeZones

[App page](https://appshunter.io/ios/app/quakezones/id352129202)

Explore a vast database of historical and current earthquake events worldwide. View over 33 years of seismic activity on interactive maps or detailed lists. Filter by magnitude, date, or proximity, and save locations of interest for quick access.

**Highlights:** Historical earthquake data since 1973, Current earthquake updates, Map and List views, Filter by magnitude, date, proximity, Save areas of interest, Search by region or city, Detailed earthquake information

**Features:** macOS Compatibility

**In-app purchases:** none


### TW earthquake

[App page](https://appshunter.io/ios/app/tw-earthquake/id1281708762)

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

**In-app purchases:** none


## Frequently asked questions

### Is QuakeZones free?

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

### Is TW earthquake free?

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

### Do QuakeZones or TW earthquake have ads?

Neither QuakeZones nor TW earthquake shows ads.

### Which is updated more often, QuakeZones or TW earthquake?

QuakeZones ships an update every 2 months, and TW earthquake every 21 months. Most recently, QuakeZones was updated on October 23, 2026 and TW earthquake on October 29, 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.*