# Rock Identifier vs Rock Nerd

Rock Identifier and Rock Nerd both sit at 4.7 stars, but that hides the real split: 70% of Rock Identifier's written reviews are positive against 50% of Rock Nerd's. Rock Identifier also leads on ratings volume (206 vs 6). Rock Nerd's advantage is update cadence (every 9 days vs every 5 weeks) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Rock Identifier sells 2 in-app purchases, starting at $4.99 per 7 days and Rock Nerd sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Rock Identifier against 4.7 for Rock Nerd. That said, the two scores are not equally well evidenced: Rock Identifier has 206 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 70% of Rock Identifier's written reviews are positive against 50% of Rock Nerd's.

Rock Identifier ships an update every 5 weeks, Rock Nerd every 9 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Rock Identifier | Rock Nerd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (206 ratings)](https://appshunter.io/ios/app/rock-identifier/id6740112477/reviews) | [4.7 (6 ratings)](https://appshunter.io/ios/app/rock-nerd-rockhound-map-guide/id6760951948/reviews) |
| Number of ratings | **206** | 6 |
| Positive reviews | **70.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 34 MB | 107 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Kawaii](https://appshunter.io/developer/1696001381) | [Terry Brazil](https://appshunter.io/developer/1886983801) |

## What reviewers say

### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier/id6740112477)

Instantly identify rocks, minerals, crystals, and fossils using advanced AI. This app serves as a geological companion for enthusiasts, students, and professionals, offering detailed information and community interaction.

**Highlights:** AI-powered rock identification, Community identification sharing, Personal AI rock assistant, Learn rock categories and properties, Information on crystal systems, Geological formation details

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier Pro (Weekly) | $4.99 | per 7 days |
| Rock Identifier Pro (Yearly) | $29.99 | per year |


### Rock Nerd

[App page](https://appshunter.io/ios/app/rock-nerd-rockhound-map-guide/id6760951948)

Discover and identify rocks with a comprehensive map of over 2,300 locations. Track your finds, connect with other enthusiasts, and learn about geology. Premium features unlock worldwide access and advanced community tools.

**Highlights:** 2,300+ rockhounding locations, Smart regional rock identification wizard, Personalized collection tracker (My Vault), Rock Buddy matching for hunting partners, Trip planner and sharing, Community activity feed and messaging

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Nerd Monthly Subscription | $3.99 | per month |
| Rock Nerd Yearly Subscription | $39.99 | per year |
| Rock Nerd Lifetime Premium | $99.99 | one-time |


## Frequently asked questions

### Is Rock Identifier free?

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

### Is Rock Nerd free?

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

### Which has better reviews, Rock Identifier or Rock Nerd?

Rock Identifier and Rock Nerd are both rated 4.7 out of 5 on the App Store, from 206 and 6 ratings respectively.

### Do Rock Identifier or Rock Nerd have ads?

Neither Rock Identifier nor Rock Nerd shows ads.

### Which is updated more often, Rock Identifier or Rock Nerd?

Rock Identifier ships an update every 5 weeks, and Rock Nerd every 9 days. Most recently, Rock Identifier was updated on October 20, 2026 and Rock Nerd on October 17, 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.*