# Geology Toolkit vs Hutton App

The clearest difference is ads: Geology Toolkit at none against Hutton App's shown. Geology Toolkit also leads on ratings volume (28 vs 2). Hutton App's advantage is rating (5.0 vs 4.6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Geology Toolkit sells 2 in-app purchases, starting at $2.99 per 7 days and Hutton App sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Hutton App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Geology Toolkit has 28 ratings behind it against 2, so its average is the more settled of the two.

Geology Toolkit ships an update fortnightly, Hutton App every 9 days. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Geology Toolkit | Hutton App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (28 ratings)](https://appshunter.io/ios/app/geology-toolkit-field-guide/id6745966254/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hutton-app/id6755796376/reviews)** |
| Number of ratings | **28** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 100 MB | 61 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laurence Wayne](https://appshunter.io/developer/1739552943) | [GeoKidz LLC](https://appshunter.io/developer/1856426044) |

## What reviewers say

### Geology Toolkit

[App page](https://appshunter.io/ios/app/geology-toolkit-field-guide/id6745966254)

Identify rocks with AI and gain a deep understanding of their composition and formation. This app is designed for students and enthusiasts to learn geology beyond simple identification, offering clear explanations and visual tools for study and fieldwork.

**Highlights:** AI-powered rock identification, Detailed mineral composition insights, Student-friendly explanations, Sketch and visual tools for notes, Focus on geological understanding

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Geology AI Yearly Subscription | $24.99 | per year |


### Hutton App

[App page](https://appshunter.io/ios/app/hutton-app/id6755796376)

Explore Earth's geologic wonders with this comprehensive field guide. Identify rocks and minerals using AI or manual methods, access professional geologic maps, and discover over 32,000 rockhounding sites. Document your expeditions with GPS-tagged notes and photos, and connect with a global community of geology enthusiasts.

**Highlights:** Professional geologic maps, Real-time data updates, AI rock and mineral identification, Manual identification mode, 32,000+ rockhounding sites, GPS-tagged trip documentation, Integrated geology dictionary

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hutton Premium Monthly | $5.99 | per month |
| Hutton Premium Six month | $29.99 | per 6 months |
| Hutton Yearly Monthly | $47.99 | per year |


## Frequently asked questions

### Is Geology Toolkit free?

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

### Is Hutton App free?

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

### Which has better reviews, Geology Toolkit or Hutton App?

Hutton App is rated higher. Geology Toolkit averages 4.6 out of 5 from 28 ratings, while Hutton App averages 5.0 from 2 ratings.

### Do Geology Toolkit or Hutton App have ads?

Hutton App shows ads; Geology Toolkit does not.

### Which is updated more often, Geology Toolkit or Hutton App?

Geology Toolkit ships an update fortnightly, and Hutton App every 9 days. Most recently, Geology Toolkit was updated on October 26, 2026 and Hutton App on October 6, 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.*