# Hooktheory I vs CLICK.

The clearest difference is price: CLICK. at $5.99 against Hooktheory I's $14.99. CLICK. also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 3 months). Hooktheory I's advantage is iOS requirement (13.0 vs 17.6). On ads and device support there is nothing between them.

Hooktheory I costs $14.99 and CLICK. $5.99 up front. Hooktheory I sells 1 one-off in-app purchase. CLICK. asks for nothing beyond the download.

Hooktheory I ships an update every 3 months, CLICK. every 2 days. The most recent releases landed on October 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Hooktheory I | CLICK. |
| --- | --- | --- |
| Price | $14.99 | **$5.99** |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/hooktheory-i/id862112892/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 22 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hooktheory LLC](https://appshunter.io/developer/862112895) | [Okazaki Tenyu](https://appshunter.io/developer/1896284185) |

## 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 |


### CLICK.

[App page](https://appshunter.io/ios/app/click/id6766393260)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hooktheory I free?

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

### Is CLICK. free?

CLICK. costs $5.99, with no in-app purchases.

### Do Hooktheory I or CLICK. have ads?

Neither Hooktheory I nor CLICK. shows ads.

### Which is updated more often, Hooktheory I or CLICK.?

Hooktheory I ships an update every 3 months, and CLICK. every 2 days. Most recently, Hooktheory I was updated on October 13, 2026 and CLICK. on September 19, 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.*