# Cadence vs Quick Theory

The clearest difference is update cadence: Cadence at every 5 days against Quick Theory's every 3 weeks. Cadence also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cadence sells 2 in-app purchases, starting at $4.99 per month and Quick Theory sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Cadence ships an update every 5 days, Quick Theory every 3 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Cadence | Quick Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cadence-learn-music/id6754261464/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 188 MB | 87 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Carvajal](https://appshunter.io/developer/1802270992) | [HANOCH YOSEF LIB](https://appshunter.io/developer/6788600007) |

## What reviewers say

### Cadence

[App page](https://appshunter.io/ios/app/cadence-learn-music/id6754261464)

This app helps musicians understand music theory beyond memorization. It offers interactive lessons and ear training games for piano, guitar, and voice, catering to all skill levels. Learn to play with intention and create music more freely.

**Highlights:** Understand functional harmony, Live pitch detection, Interactive piano, Ear training games, Courses for all levels, Supports piano, guitar, voice

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadence Premium Monthly | $4.99 | per month |
| Cadence Premium Yearly | $39.99 | per year |


### Quick Theory

[App page](https://appshunter.io/ios/app/quick-theory/id6790213145)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Cadence free?

Cadence is free to download, with in-app purchases available.

### Is Quick Theory free?

Quick Theory is free to download, with in-app purchases available.

### Do Cadence or Quick Theory have ads?

Neither Cadence nor Quick Theory shows ads.

### Which is updated more often, Cadence or Quick Theory?

Cadence ships an update every 5 days, and Quick Theory every 3 weeks. Most recently, Cadence was updated on October 24, 2026 and Quick Theory on October 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.*