# Latch vs 元书输入法

The clearest difference is price: 元书输入法 at Free against Latch's $0.99. Latch's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

元书输入法 is free to download; Latch costs $0.99 up front. 元书输入法 sells 3 in-app purchases, starting at $0.99 per month. Latch asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Latch | 元书输入法 |
| --- | --- | --- |
| Price | $0.99 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Size | 3 MB | 111 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [有伟 董](https://appshunter.io/developer/1679483114) | [啸 付](https://appshunter.io/developer/1625078593) |

## What reviewers say

### Latch

[App page](https://appshunter.io/ios/app/latch/id6452399901)

**Features:** macOS Compatibility

**In-app purchases:** none


### 元书输入法

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

**Features:** iPhone Duo support

**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 |


## Frequently asked questions

### Is Latch free?

Latch costs $0.99, with no in-app purchases.

### Is 元书输入法 free?

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

### Do Latch or 元书输入法 have ads?

Neither Latch nor 元书输入法 shows ads.

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

Latch ships an update every 6 days, and 元书输入法 every 6 days. Most recently, Latch was updated on October 30, 2026 and 元书输入法 on October 30, 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.*