# OFITE Oven vs ChatCharm Keyboard

The clearest difference is in-app purchases: OFITE Oven at none against ChatCharm Keyboard's 2. OFITE Oven also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. ChatCharm Keyboard sells 2 in-app purchases, starting at $19.99 per 7 days. OFITE Oven asks for nothing beyond the download.

OFITE Oven ships an update daily, ChatCharm Keyboard weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OFITE Oven | ChatCharm Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (47 ratings)](https://appshunter.io/ios/app/chatcharm-keyboard/id6769270795/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 76 MB | 99 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OFI Testing Equipment, Inc.](https://appshunter.io/developer/1817478782) | [亚雯 雷](https://appshunter.io/developer/6788065392) |

## What reviewers say

### OFITE Oven

[App page](https://appshunter.io/ios/app/ofite-oven/id6746579469)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatCharm Keyboard

[App page](https://appshunter.io/ios/app/chatcharm-keyboard/id6769270795)

Enhance your writing with an AI-powered keyboard that assists with replies, rewrites, and proofreading. Communicate effortlessly across languages and manage text snippets efficiently for faster typing.

**Highlights:** AI-generated replies, Tone and style improvement, Real-time grammar and spelling check, Seamless translation, Clipboard management, Quick phrase shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $19.99 | per 7 days |
| Yearly | $89.99 | per year |


## Frequently asked questions

### Is OFITE Oven free?

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

### Is ChatCharm Keyboard free?

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

### Do OFITE Oven or ChatCharm Keyboard have ads?

ChatCharm Keyboard shows ads; OFITE Oven does not.

### Which is updated more often, OFITE Oven or ChatCharm Keyboard?

OFITE Oven ships an update daily, and ChatCharm Keyboard weekly. Most recently, OFITE Oven was updated on October 25, 2026 and ChatCharm Keyboard on October 24, 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.*