# OtterBoard vs 倉頡輸入2356

The clearest difference is in-app purchases: 倉頡輸入2356 at none against OtterBoard's 8. 倉頡輸入2356 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. OtterBoard sells 8 in-app purchases, starting at $5.99 per year. 倉頡輸入2356 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | OtterBoard | 倉頡輸入2356 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Size | 227 MB | 249 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [One Eternal](https://appshunter.io/developer/6792182843) | [霁海 杨](https://appshunter.io/developer/6822652618) |

## What reviewers say

### OtterBoard

[App page](https://appshunter.io/ios/app/otterboard/id6803947273)

**Features:** iPhone Duo support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OtterBoard Pro Yearly | $5.99 | per year |
| 極光鍵盤主題 | $1.99 | one-time |
| 青苔螢火鍵盤主題 | $3.99 | one-time |
| 墨流鍵盤主題 | $4.99 | one-time |
| 夢幻泡泡鍵盤主題 | $5.99 | one-time |
| 機械 RGB 鍵盤主題 01 | $5.99 | one-time |
| 倉頡碼雨 Cangjie Rain 鍵盤主題 | $5.99 | one-time |
| OtterBoard Pro Lifetime | $14.99 | one-time |


### 倉頡輸入2356

[App page](https://appshunter.io/ios/app/2356/id6822697761)

**In-app purchases:** none


## Frequently asked questions

### Is OtterBoard free?

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

### Is 倉頡輸入2356 free?

倉頡輸入2356 is free to download, with no in-app purchases.

### Do OtterBoard or 倉頡輸入2356 have ads?

OtterBoard shows ads; 倉頡輸入2356 does not.

### Which is updated more often, OtterBoard or 倉頡輸入2356?

OtterBoard ships an update every 3 days, and 倉頡輸入2356 every 3 days. Most recently, OtterBoard was updated on October 29, 2026 and 倉頡輸入2356 on October 29, 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.*