# Autochords vs KeyPM

The clearest difference is in-app purchases: KeyPM at none against Autochords's 4. KeyPM also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 84%). Autochords's advantage is update cadence (every 2 months vs every 17 months) and ratings volume (4.1K vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Autochords sells 4 in-app purchases, starting at $0.99 per 7 days. KeyPM asks for nothing beyond the download.

KeyPM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Autochords has 4.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 84% of Autochords's written reviews are positive against 100% of KeyPM's.

Autochords ships an update every 2 months, KeyPM every 17 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Autochords | KeyPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (4.1K ratings)](https://appshunter.io/ios/app/autochords/id788423364/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/keypm/id1509802163/reviews)** |
| Number of ratings | **4.1K** | 5 |
| Positive reviews | 83.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 41 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Astrocode Pty Ltd](https://appshunter.io/developer/1040321800) | [Hugo Canseco Llanos](https://appshunter.io/developer/1871098482) |

## What reviewers say

### Autochords

[App page](https://appshunter.io/ios/app/autochords/id788423364)

This app serves as a songwriting aid, offering chord progressions and musical inspiration. It allows users to explore different moods and instruments like guitar, piano, and ukulele to find the perfect sound for their songs. Advanced features are available through an in-app purchase.

**Highlights:** Chord progression generation by mood, Guitar, piano, and ukulele chord diagrams, Listen to progressions on chosen instruments, Play along to full progressions, Alternative progression suggestions, Customizable progressions (PRO)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Weekly | $0.99 | per 7 days |
| PRO Monthly | $2.99 | per month |
| PRO Annual | $12.99 | per year |
| PRO Lifetime | $29.99 | one-time |

**What reviewers like**

- 👍 Excellent app and developer
- 👍 Great app for music creation or chord learning
- 👍 Helpful for songwriting and finding chord progressions
- 👍 Useful for practicing chords and progressions
- 👍 Simple and easy to use interface

**What reviewers complain about**

- 🔒 Certain chords not available for custom builder
- 🐛 App freezes up every time user opens it
- 🔒 Limited to only 4 chords in a progression
- 🔒 No option to change time signature or add multiple bars
- 🔒 No piano chord inversions, only root position chords

**Reported bugs**

- App freezes up when opened
- Chord progressions don't sound as intended for some moods

**Requested features**

- Add augmented chords and more chord variations
- Allow creating progressions with more than 4 chords
- Incorporate different time signatures beyond 4/4
- Add chord inversions and more chord types (7ths, 9ths, etc.)
- Expand chord library beyond just diatonic chords


### 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


## Frequently asked questions

### Is Autochords free?

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

### Is KeyPM free?

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

### Which has better reviews, Autochords or KeyPM?

KeyPM is rated higher. Autochords averages 4.7 out of 5 from 4.1K ratings, while KeyPM averages 5.0 from 5 ratings.

### Do Autochords or KeyPM have ads?

Neither Autochords nor KeyPM shows ads.

### Which is updated more often, Autochords or KeyPM?

Autochords ships an update every 2 months, and KeyPM every 17 months. Most recently, Autochords was updated on October 17, 2026 and KeyPM on October 11, 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.*