# Hooktheory I vs Chord Memory Board

The clearest difference is price: Chord Memory Board at $1.99 against Hooktheory I's $14.99. Chord Memory Board also leads on update cadence (weekly vs every 3 months). Hooktheory I's advantage is chart position (#182 vs unranked) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Hooktheory I costs $14.99 and Chord Memory Board $1.99 up front. Hooktheory I sells 1 one-off in-app purchase and Chord Memory Board sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Hooktheory I ships an update every 3 months, Chord Memory Board weekly. The most recent releases landed on October 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Hooktheory I | Chord Memory Board |
| --- | --- | --- |
| Price | $14.99 | **$1.99** |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#182** | — |
| Size | 140 MB | 43 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hooktheory LLC](https://appshunter.io/developer/862112895) | [takayuki ohyama](https://appshunter.io/developer/1472159475) |

## What reviewers say

### Hooktheory I

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

**Currently charting:** #182 Top Paid · Music (US App Store)

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 |


### Chord Memory Board

[App page](https://appshunter.io/ios/app/chord-memory-board/id6756252908)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chord Memory Plus Monthly | $1.99 | per month |


## Frequently asked questions

### Is Hooktheory I free?

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

### Is Chord Memory Board free?

Chord Memory Board costs $1.99, and also offers in-app purchases.

### Do Hooktheory I or Chord Memory Board have ads?

Neither Hooktheory I nor Chord Memory Board shows ads.

### Which is updated more often, Hooktheory I or Chord Memory Board?

Hooktheory I ships an update every 3 months, and Chord Memory Board weekly. Most recently, Hooktheory I was updated on October 17, 2026 and Chord Memory Board on September 22, 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.*