# 元书输入法 vs CATALK

The clearest difference is in-app purchases: CATALK at none against 元书输入法's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 元书输入法 sells 3 in-app purchases, starting at $0.99 per month. CATALK asks for nothing beyond the download.

元书输入法 ships an update every 5 days, CATALK every 3 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 元书输入法 | CATALK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/id6744464701/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 110 MB | 14 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [啸 付](https://appshunter.io/developer/1625078593) | [钧合 刘](https://appshunter.io/developer/1864073839) |

## What reviewers say

### 元书输入法

[App page](https://appshunter.io/ios/app/id6744464701)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription (1 month) | $0.99 | per month |
| Annual subscription (1 year) | $4.99 | per year |
| Keyboard Pro(One-Time) | $9.99 | one-time |


### CATALK

[App page](https://appshunter.io/ios/app/catalk/id6762376936)

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

**In-app purchases:** none


## Frequently asked questions

### Is 元书输入法 free?

元书输入法 is free to download, with in-app purchases available.

### Is CATALK free?

CATALK is free to download, with no in-app purchases.

### Do 元书输入法 or CATALK have ads?

Neither 元书输入法 nor CATALK shows ads.

### Which is updated more often, 元书输入法 or CATALK?

元书输入法 ships an update every 5 days, and CATALK every 3 days. Most recently, 元书输入法 was updated on October 24, 2026 and CATALK on October 12, 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.*