# Circle of Fifth Clock vs Strikey

The clearest difference is price: Strikey at Free against Circle of Fifth Clock's $1.99. Strikey also leads on update cadence (every 4 months vs every 21 months). Circle of Fifth Clock's advantage is in-app purchases (none vs 4) and iOS requirement (12 vs 16.0). On ads and device support there is nothing between them.

Strikey is free to download; Circle of Fifth Clock costs $1.99 up front. Strikey sells 4 in-app purchases, starting at $4.99 per month. Circle of Fifth Clock asks for nothing beyond the download.

Circle of Fifth Clock ships an update every 21 months, Strikey every 4 months. The most recent releases landed on October 19, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Circle of Fifth Clock | Strikey |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (16 ratings)](https://appshunter.io/ios/app/strikey-easy-piano-tutorials/id6504036665/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 87 MB | 196 MB |
| Requires iOS | **12** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [feb19](https://appshunter.io/developer/358045838) | [Online Pianist](https://appshunter.io/developer/642105130) |

## What reviewers say

### Circle of Fifth Clock

[App page](https://appshunter.io/ios/app/circle-of-fifth-clock/id1442015128)

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

**In-app purchases:** none


### Strikey

[App page](https://appshunter.io/ios/app/strikey-easy-piano-tutorials/id6504036665)

Learn piano with hundreds of easy tutorials for popular songs. Get step-by-step guidance, instant feedback, and a personalized learning path. Perfect for beginners of all ages.

**Highlights:** Hundreds of easy piano tutorials, Popular song lessons, Step-by-step guidance, Instant feedback, Tailored learning journey, Short songs under a minute

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $4.99 | per month |
| Strikey - Yearly Subscription | $9.99 | per year |
| Strikey - Yearly Subscription | $29.99 | per year |
| 1 Year Subscription | $29.99 | per year |


## Frequently asked questions

### Is Circle of Fifth Clock free?

Circle of Fifth Clock costs $1.99, with no in-app purchases.

### Is Strikey free?

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

### Do Circle of Fifth Clock or Strikey have ads?

Neither Circle of Fifth Clock nor Strikey shows ads.

### Which is updated more often, Circle of Fifth Clock or Strikey?

Circle of Fifth Clock ships an update every 21 months, and Strikey every 4 months. Most recently, Circle of Fifth Clock was updated on October 19, 2026 and Strikey on October 30, 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.*