# 快打注音 vs OtterBoard

The clearest difference is price: OtterBoard at Free against 快打注音's $3.99. OtterBoard also leads on update cadence (every 3 days vs every 10 days). 快打注音's advantage is in-app purchases (none vs 8) and ads (none vs shown).

OtterBoard is free to download; 快打注音 costs $3.99 up front. OtterBoard sells 8 in-app purchases, starting at $5.99 per year. 快打注音 asks for nothing beyond the download.

快打注音 ships an update every 10 days, OtterBoard every 3 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 快打注音 | OtterBoard |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 79 MB | 227 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHING FENG WANG](https://appshunter.io/developer/394371304) | [One Eternal](https://appshunter.io/developer/6792182843) |

## What reviewers say

### 快打注音

[App page](https://appshunter.io/ios/app/id6783645792)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 快打注音 free?

快打注音 costs $3.99, with no in-app purchases.

### Is OtterBoard free?

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

### Do 快打注音 or OtterBoard have ads?

OtterBoard shows ads; 快打注音 does not.

### Which is updated more often, 快打注音 or OtterBoard?

快打注音 ships an update every 10 days, and OtterBoard every 3 days. Most recently, 快打注音 was updated on October 25, 2026 and OtterBoard 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.*