# TerrainHub vs Rockhounding.org

The clearest difference is ads: TerrainHub at none against Rockhounding.org's shown. Rockhounding.org's advantage is ratings volume (4 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. TerrainHub sells 10 in-app purchases, starting at $9.99 per month and Rockhounding.org sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for TerrainHub against 5.0 for Rockhounding.org. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

TerrainHub ships an update every 9 days, Rockhounding.org every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TerrainHub | Rockhounding.org |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/terrainhub/id6754611958/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/rockhoundingorg/id6808788112/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Freemium | Free with in-app purchases |
| Size | 93 MB | 77 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TerrainHub LLC](https://appshunter.io/developer/1849228108) | [Rockhounding Inc](https://appshunter.io/developer/6808788114) |

## What reviewers say

### TerrainHub

[App page](https://appshunter.io/ios/app/terrainhub/id6754611958)

Discover over 222,000 outdoor geological sites across 14 categories, including minerals, fossils, and water features. Utilize an AI guide for location-based geological insights and explore with 17 map layers and field tools. Offline maps are available for areas with no service.

**Highlights:** 222,000+ US geological sites, 14 discovery categories, AI Guide for location-based insights, 17 detailed map layers, Offline map downloads, Field tools for exploration, Photo and video analysis

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TerrainHub PRO | $9.99 | per month |
| TerrainHub PRO | $89.99 | per year |
| 10 AI Photo Credits | $1.99 | one-time |
| 50 AI Text Credits | $2.99 | one-time |
| 10 AI Video Credits | $2.99 | one-time |
| 25 AI Photo Credits | $3.99 | one-time |
| 100 AI Text Credits | $4.99 | one-time |
| 25 AI Video Credits | $5.99 | one-time |
| 50 AI Photo Credits | $6.99 | one-time |
| 50 AI Video Credits | $9.99 | one-time |


### Rockhounding.org

[App page](https://appshunter.io/ios/app/rockhoundingorg/id6808788112)

Discover over 52,000 rock collecting sites across North America with an interactive map. Log your finds, connect with other collectors, and access detailed land information. Offline maps ensure you can explore even without a signal.

**Highlights:** 52,000+ collecting sites, Interactive map, Offline map functionality, Site details and filters, Logbook and collection builder, Community forum and marketplace

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter | $14.99 | per year |
| Pro | $59.99 | per year |


## Frequently asked questions

### Is TerrainHub free?

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

### Is Rockhounding.org free?

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

### Which has better reviews, TerrainHub or Rockhounding.org?

TerrainHub and Rockhounding.org are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do TerrainHub or Rockhounding.org have ads?

Rockhounding.org shows ads; TerrainHub does not.

### Which is updated more often, TerrainHub or Rockhounding.org?

TerrainHub ships an update every 9 days, and Rockhounding.org every 11 days. Most recently, TerrainHub was updated on October 30, 2026 and Rockhounding.org on October 31, 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.*