# Rock Identifier vs Write Chinese

The clearest difference is update cadence: Rock Identifier at every 3 days against Write Chinese's monthly. 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 Write Chinese sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Rock Identifier ships an update every 3 days, Write Chinese monthly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Rock Identifier | Write Chinese |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/rock-identifier-stone-scanner/id6788499024/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 52 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vitalii Korol](https://appshunter.io/developer/1855105263) | [Meena Ranka](https://appshunter.io/developer/1858856675) |

## What reviewers say

### 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 |


### Write Chinese

[App page](https://appshunter.io/ios/app/write-chinese-capywrite/id6788628159)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CapyWrite Chinese Pro Weekly | $4.99 | per 7 days |
| CapyWrite Chinese Pro Yearly | $19.99 | per year |
| CapyWrite Chinese Lifetime Gift | $9.99 | one-time |
| CapyWrite Chinese Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Rock Identifier free?

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

### Is Write Chinese free?

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

### Do Rock Identifier or Write Chinese have ads?

Neither Rock Identifier nor Write Chinese shows ads.

### Which is updated more often, Rock Identifier or Write Chinese?

Rock Identifier ships an update every 3 days, and Write Chinese monthly. Most recently, Rock Identifier was updated on October 24, 2026 and Write Chinese on October 11, 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.*