# Geology vs Cuspart

The clearest difference is in-app purchases: Geology at none against Cuspart's 7. Geology also leads on iOS requirement (15.0 vs 17.0). Cuspart's advantage is update cadence (monthly vs every 26 months). On price, ads and device support there is nothing between them.

Both are free to download. Cuspart sells 7 one-off in-app purchases. Geology asks for nothing beyond the download.

Geology ships an update every 26 months, Cuspart monthly. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Geology | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 26 months | **Monthly** |
| Size | 26 MB | 49 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Mehmet Bayram](https://appshunter.io/developer/1541281376) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Geology

[App page](https://appshunter.io/ios/app/geology/id6446095705)

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

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-earthquake/id6737773368)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $0.99 | one-time |
| Espresso | $1.49 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.49 | one-time |
| Caffè Mocha | $2.99 | one-time |
| Classic Hot Chocolate | $3.49 | one-time |
| Special Hot Chocolate | $3.99 | one-time |


## Frequently asked questions

### Is Geology free?

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

### Is Cuspart free?

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

### Do Geology or Cuspart have ads?

Both Geology and Cuspart show ads.

### Which is updated more often, Geology or Cuspart?

Geology ships an update every 26 months, and Cuspart monthly. Most recently, Geology was updated on October 6, 2026 and Cuspart on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*