# KeyPM vs Anomaly Music

The clearest difference is update cadence: Anomaly Music at monthly against KeyPM's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KeyPM ships an update every 3 months, Anomaly Music monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KeyPM | Anomaly Music |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/keypm/id1509802163/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 42 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hugo Canseco Llanos](https://appshunter.io/developer/1871098482) | [Roland Szpond](https://appshunter.io/developer/1736035214) |

## What reviewers say

### KeyPM

[App page](https://appshunter.io/ios/app/keypm/id1509802163)

Discover the key and tempo of your favorite songs. Analyze music charts, create playlists with song metrics, and filter by musical characteristics. Preview tracks and share music insights with others.

**Highlights:** Analyze Billboard top 100, Create playlists with song metrics, Filter by key, BPM, Camelot, and mode, Preview songs from Spotify, Share music DNA

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

**In-app purchases:** none


### Anomaly Music

[App page](https://appshunter.io/ios/app/anomaly-music/id6762465889)

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

**In-app purchases:** none


## Frequently asked questions

### Is KeyPM free?

KeyPM is free to download, with no in-app purchases.

### Is Anomaly Music free?

Anomaly Music is free to download, with no in-app purchases.

### Do KeyPM or Anomaly Music have ads?

Neither KeyPM nor Anomaly Music shows ads.

### Which is updated more often, KeyPM or Anomaly Music?

KeyPM ships an update every 3 months, and Anomaly Music monthly. Most recently, KeyPM was updated on October 24, 2026 and Anomaly Music on October 25, 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.*