# 美术加AI vs Rock Identifier

The clearest difference is iOS requirement: 美术加AI at 12.0 against Rock Identifier's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 美术加AI sells 9 one-off in-app purchases and Rock Identifier sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 美术加AI | Rock Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6450774058/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 136 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [飞 董](https://appshunter.io/developer/1587087628) | [Wing Hei Brian Tam](https://appshunter.io/developer/1788859558) |

## What reviewers say

### 美术加AI

[App page](https://appshunter.io/ios/app/ai/id6450774058)

This app uses AI to help art students train their drawing skills. It offers features like image modification, generating new images from photos or sketches, and exploring various art styles. It aims to be an AI assistant for creative learning and practice.

**Highlights:** AI-powered image modification, Generate images from photos/sketches, Explore various art styles, AI art assistant for students, Creative learning tools

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20次 | $1.99 | one-time |
| 150次 | $7.99 | one-time |
| 600次 | $39.99 | one-time |
| 1800次 | $69.99 | one-time |
| 美术加AI使用权限卡 | $89.99 | one-time |
| 美术加AI使用权限卡 | $99.99 | one-time |
| 美术加AI使用权限卡 | $129.99 | one-time |
| 美术加AI使用权限卡 | $149.99 | one-time |
| 美术加AI使用权限卡 | $399.99 | one-time |


### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-gem-crystal/id6811545788)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly $9.99 | $9.99 | per month |
| Yearly $39.99 | $39.99 | per year |


## Frequently asked questions

### Is 美术加AI free?

美术加AI 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 美术加AI or Rock Identifier have ads?

Neither 美术加AI 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.*