# Grass Identifier vs Rock Identifier

Grass Identifier and Rock Identifier are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Grass Identifier sells 2 in-app purchases, starting at $7.99 per 7 days and Rock Identifier sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Grass Identifier | Rock Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (29 ratings)](https://appshunter.io/ios/app/rock-identifier-stone-scanner/id6788499024/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 23 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pista Devi](https://appshunter.io/developer/1880591505) | [Vitalii Korol](https://appshunter.io/developer/1855105263) |

## What reviewers say

### Grass Identifier

[App page](https://appshunter.io/ios/app/grass-identifier-grass-ai/id6774034896)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grass AI Pro - Weekly | $7.99 | per 7 days |
| Grass AI Pro - Yearly | $29.99 | per year |


### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-stone-scanner/id6788499024)

Instantly identify rocks and crystals by simply taking a photo. This app provides detailed information for enthusiasts and beginners alike, making it easy to learn about stones found anywhere.

**Highlights:** Instant AI-powered rock recognition, Detailed information on identified stones, Save identified rocks to history, Easy to use for beginners, Useful for collectors and students

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Identifier Pro Weekly | $5.99 | per 7 days |
| Rock Identifier Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Grass Identifier free?

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

### Is Rock Identifier free?

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

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

Neither Grass Identifier nor Rock Identifier shows ads.

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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.*