# Hooktheory I vs Fractal Bits

The clearest difference is price: Fractal Bits at $1.99 against Hooktheory I's $14.99. Fractal Bits also leads on rating (4.9 vs 4.1) and in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Hooktheory I costs $14.99 and Fractal Bits $1.99 up front. Hooktheory I sells 1 one-off in-app purchase. Fractal Bits asks for nothing beyond the download.

Fractal Bits holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Fractal Bits has 82 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 63% of Hooktheory I's written reviews are positive against 91% of Fractal Bits's.

Hooktheory I ships an update every 3 months, Fractal Bits every 5 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hooktheory I | Fractal Bits |
| --- | --- | --- |
| Price | $14.99 | **$1.99** |
| Rating | [4.1 (11 ratings)](https://appshunter.io/ios/app/hooktheory-i/id862112892/reviews) | **[4.9 (82 ratings)](https://appshunter.io/ios/app/fractal-bits/id1482725385/reviews)** |
| Number of ratings | 11 | **82** |
| Positive reviews | 63.4% of reviews | **90.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#160** |
| Size | 140 MB | 7 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hooktheory LLC](https://appshunter.io/developer/862112895) | [Alexander Zolotov](https://appshunter.io/developer/324462547) |

## What reviewers say

### Hooktheory I

[App page](https://appshunter.io/ios/app/hooktheory-i/id862112892)

Learn to craft melodies and chord progressions like a pro with interactive lessons and audiovisual examples from popular songs. This app provides an intuitive understanding of music theory, with practical exercises and a companion sketchpad for immediate practice.

**Highlights:** Learn chord progressions, Compose melodies, Audiovisual examples, Interactive exercises, Song dissection, Music theory concepts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $14.99 | one-time |


### Fractal Bits

[App page](https://appshunter.io/ios/app/fractal-bits/id1482725385)

**Currently charting:** #160 Top Paid · Music (US App Store)

Generate an infinite variety of drum sounds using fractal algorithms. Save and share your unique sound sets via text codes. Perform live with multiple keyboard options and record your creations in real-time.

**Highlights:** Infinite unique drum sounds, Save/share sound sets via text codes, Multiple live drumming keyboards, MIDI control and mapping, Real-time WAV audio recording, Wi-Fi export/import

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hooktheory I free?

Hooktheory I costs $14.99, and also offers in-app purchases.

### Is Fractal Bits free?

Fractal Bits costs $1.99, with no in-app purchases.

### Which has better reviews, Hooktheory I or Fractal Bits?

Fractal Bits is rated higher. Hooktheory I averages 4.1 out of 5 from 11 ratings, while Fractal Bits averages 4.9 from 82 ratings.

### Do Hooktheory I or Fractal Bits have ads?

Neither Hooktheory I nor Fractal Bits shows ads.

### Which is updated more often, Hooktheory I or Fractal Bits?

Hooktheory I ships an update every 3 months, and Fractal Bits every 5 months. Most recently, Hooktheory I was updated on October 23, 2026 and Fractal Bits 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.*