# Instrument Classification vs Bionic Reading® Font Keyboard

The clearest difference is in-app purchases: Instrument Classification at none against Bionic Reading® Font Keyboard's 2. Instrument Classification also leads on iOS requirement (15.8.3 vs 17.6). Bionic Reading® Font Keyboard's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Bionic Reading® Font Keyboard sells 2 in-app purchases, starting at $1.00 per month. Instrument Classification asks for nothing beyond the download.

Instrument Classification ships an update every 2 weeks, Bionic Reading® Font Keyboard daily. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Instrument Classification | Bionic Reading® Font Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/bionic-reading-font-keyboard/id6749930161/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 837 MB |
| Requires iOS | **15.8.3** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Bionic Reading AG](https://appshunter.io/developer/1659624105) |

## What reviewers say

### Instrument Classification

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

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

**In-app purchases:** none


### Bionic Reading® Font Keyboard

[App page](https://appshunter.io/ios/app/bionic-reading-font-keyboard/id6749930161)

Enhance your reading and typing experience with a unique font that visually emphasizes words, making text clearer and faster to process. This keyboard works across all your favorite apps, offering a private and on-device solution for a better digital reading experience.

**Highlights:** Bionic Reading® live typing, Adjustable visual emphasis (F1-F5), One-tap conversion to Bionic Reading®, Convert back to system font, Instant Bionic Reading® conversion from clipboard, Private on-device autocomplete, Light/Dark Mode support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BR® Font Keyboard | $1.00 | per month |
| BR® Font Keyboard | $10.00 | per year |


## Frequently asked questions

### Is Instrument Classification free?

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

### Is Bionic Reading® Font Keyboard free?

Bionic Reading® Font Keyboard is free to download, with in-app purchases available.

### Do Instrument Classification or Bionic Reading® Font Keyboard have ads?

Instrument Classification shows ads; Bionic Reading® Font Keyboard does not.

### Which is updated more often, Instrument Classification or Bionic Reading® Font Keyboard?

Instrument Classification ships an update every 2 weeks, and Bionic Reading® Font Keyboard daily. Most recently, Instrument Classification was updated on October 11, 2026 and Bionic Reading® Font Keyboard on October 17, 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.*