# Buzzer Fonts Keyboard O vs Scent Diary

The clearest difference is in-app purchases: Buzzer Fonts Keyboard O at none against Scent Diary's 2. Buzzer Fonts Keyboard O also leads on update cadence (fortnightly vs every 8 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Scent Diary sells 2 one-off in-app purchases. Buzzer Fonts Keyboard O asks for nothing beyond the download.

Buzzer Fonts Keyboard O ships an update fortnightly, Scent Diary every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Buzzer Fonts Keyboard O | Scent Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (186 ratings)](https://appshunter.io/ios/app/buzzer-fonts-keyboard-o/id6444956697/reviews)** | — |
| Number of ratings | **186** | — |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Ad-supported | — |
| Size | 204 MB | 28 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [周桂 吴](https://appshunter.io/developer/1608776809) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Buzzer Fonts Keyboard O

[App page](https://appshunter.io/ios/app/buzzer-fonts-keyboard-o/id6444956697)

Personalize your mobile typing experience with custom keyboards. Choose from a variety of themes, fonts, and stickers to make your conversations more engaging and unique. Express yourself with stylish text and emoticons.

**Highlights:** Personalized keyboard themes, Customizable keyboard creation, Selection of fonts, Stickers and emoticons, Chat tools integration, Pre-written proverbs

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

**In-app purchases:** none


### Scent Diary

[App page](https://appshunter.io/ios/app/scent-diary-scentmemory/id6747460278)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |
| Treat to Lunch | $14.99 | one-time |


## Frequently asked questions

### Is Buzzer Fonts Keyboard O free?

Buzzer Fonts Keyboard O is free to download, with no in-app purchases.

### Is Scent Diary free?

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

### Do Buzzer Fonts Keyboard O or Scent Diary have ads?

Both Buzzer Fonts Keyboard O and Scent Diary show ads.

### Which is updated more often, Buzzer Fonts Keyboard O or Scent Diary?

Buzzer Fonts Keyboard O ships an update fortnightly, and Scent Diary every 8 months. Most recently, Buzzer Fonts Keyboard O was updated on November 3, 2026 and Scent Diary 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.*