# Cantoboard vs OtterBoard

The clearest difference is in-app purchases: Cantoboard at none against OtterBoard's 8. Cantoboard also leads on ads (none vs shown) and device support (3 vs 1). OtterBoard's advantage is update cadence (every 3 days vs every 2 months). On price there is nothing between them.

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

Cantoboard ships an update every 2 months, OtterBoard every 3 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Cantoboard | OtterBoard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/cantoboard/id6752963850/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 125 MB | 227 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ching Kit Kwan](https://appshunter.io/developer/1698165338) | [One Eternal](https://appshunter.io/developer/6792182843) |

## What reviewers say

### Cantoboard

[App page](https://appshunter.io/ios/app/cantoboard/id6752963850)

This keyboard app offers a seamless typing experience for Cantonese speakers, supporting multiple input methods and intelligent suggestions. It features a familiar interface, predictive text, and error correction for efficient communication.

**Highlights:** Multiple Cantonese input methods (Jyutping, Yale, Cangjie), Intelligent word suggestions and error correction, Mixed Chinese and English input, Familiar iOS-like interface, Tone selection for filtering candidates, Quick deletion and symbol access

**Features:** macOS Compatibility

**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 Cantoboard free?

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

### Is OtterBoard free?

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

### Do Cantoboard or OtterBoard have ads?

OtterBoard shows ads; Cantoboard does not.

### Which is updated more often, Cantoboard or OtterBoard?

Cantoboard ships an update every 2 months, and OtterBoard every 3 days. Most recently, Cantoboard was updated on October 24, 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.*