# Custom Fonts Keyboard Cool vs Instrument Classification

The clearest difference is in-app purchases: Instrument Classification at none against Custom Fonts Keyboard Cool's 3. Instrument Classification also leads on iOS requirement (15.8.3 vs 18.0). Custom Fonts Keyboard Cool's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Custom Fonts Keyboard Cool sells 3 in-app purchases, starting at $3.99 per month. Instrument Classification asks for nothing beyond the download.

Custom Fonts Keyboard Cool ships an update every 3 weeks, Instrument Classification every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Custom Fonts Keyboard Cool | Instrument Classification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/custom-fonts-keyboard-cool/id6444320722/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 43 MB |
| Requires iOS | 18.0 | **15.8.3** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kuzin](https://appshunter.io/developer/1532396968) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Custom Fonts Keyboard Cool

[App page](https://appshunter.io/ios/app/custom-fonts-keyboard-cool/id6444320722)

Create stylish text, unique fonts, and personalized keyboards to express yourself across social media and messaging apps. Customize your iPhone's home screen with themes, widgets, and app icons to match your personal style.

**Highlights:** Over 100 stylish fonts, Kaomoji and emoji keyboards, Home screen themes and widgets, Customizable keyboard designs, Unicode symbols

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Your style, your fonts! ツ | $3.99 | per month |
| Premium Yearly | $14.99 | per year |
| Annually | $19.99 | per year |


### Instrument Classification

[App page](https://appshunter.io/ios/app/instrument-classification/id6749178763)

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

**In-app purchases:** none


## Frequently asked questions

### Is Custom Fonts Keyboard Cool free?

Custom Fonts Keyboard Cool is free to download, with in-app purchases available.

### Is Instrument Classification free?

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

### Do Custom Fonts Keyboard Cool or Instrument Classification have ads?

Instrument Classification shows ads; Custom Fonts Keyboard Cool does not.

### Which is updated more often, Custom Fonts Keyboard Cool or Instrument Classification?

Custom Fonts Keyboard Cool ships an update every 3 weeks, and Instrument Classification every 2 weeks. Most recently, Custom Fonts Keyboard Cool was updated on November 3, 2026 and Instrument Classification on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*