# Rock Identifier vs BLET Buddy

The clearest difference is rating: BLET Buddy at 5.0 against Rock Identifier's 4.3. BLET Buddy also leads on update cadence (every 11 days vs every 11 months) and monetization model (free vs free with in-app purchases). Rock Identifier's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rock Identifier sells 2 in-app purchases, starting at $5.99 per 7 days and BLET Buddy sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

BLET Buddy holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Rock Identifier has 6 ratings behind it against 1, so its average is the more settled of the two.

Rock Identifier ships an update every 11 months, BLET Buddy every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rock Identifier | BLET Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/rock-identifier-geolens/id6748325357/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blet-buddy/id6794656806/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 11 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 66 MB |
| Requires iOS | 16.4 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Fabulous Apps LLC](https://appshunter.io/developer/1830879287) | [PolarDeck](https://appshunter.io/developer/6794656808) |

## What reviewers say

### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-geolens/id6748325357)

Instantly identify rocks and minerals using your phone's camera. Get detailed information, ask an AI expert questions, and build a personal collection of your finds. Perfect for geology enthusiasts of all levels.

**Highlights:** Instant camera scanning for rock identification, Detailed profiles with hardness and value estimates, AI chat expert for geology questions, Personal collection library with timestamps, Confidence scores for identifications

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier - Weekly | $5.99 | per 7 days |
| Rock Identifier - Yearly | $29.99 | per year |


### BLET Buddy

[App page](https://appshunter.io/ios/app/blet-buddy/id6794656806)

Master BLET curriculum with comprehensive study guides, interactive flashcards, and practice exams. This app breaks down all 38 BLET blocks and tracks your progress to ensure exam readiness.

**Highlights:** Comprehensive study guides for all 38 BLET blocks, Interactive flashcards with progress tracking, Practice questions mirroring State EOB exam style, Detailed breakdown of learning objectives, Progress tracking for weak areas

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BLET Buddy Premium | $3.99 | per month |


## Frequently asked questions

### Is Rock Identifier free?

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

### Is BLET Buddy free?

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

### Which has better reviews, Rock Identifier or BLET Buddy?

BLET Buddy is rated higher. Rock Identifier averages 4.3 out of 5 from 6 ratings, while BLET Buddy averages 5.0 from 1 ratings.

### Do Rock Identifier or BLET Buddy have ads?

Neither Rock Identifier nor BLET Buddy shows ads.

### Which is updated more often, Rock Identifier or BLET Buddy?

Rock Identifier ships an update every 11 months, and BLET Buddy every 11 days. Most recently, Rock Identifier was updated on October 24, 2026 and BLET Buddy on October 25, 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.*