Autochords vs KeyPM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Autochords
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.
- 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)
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Autochords is the ultimate songwriting cheat sheet and inspiration machine. Learn how to play chords on guitar, piano, and ukulele. Experiment with various music styles. Just pick a mood and Autochords will show you what to play for your main progression. Play along or just have a listen until you find the perfect chord progression for you. Autochords also suggests “Alternative progressions” that you can use for other sections of the song, like a bridge or backing for a solo. ## Features ## • Dozens of different built-in moods to choose from. • Guitar, Piano, and Ukulele chord diagrams. • Listen to how progressions sound on your chosen instrument. • Play along to full chord progressions. With the PRO in-app-purchase: • Unlock even more progressions. • Build and customize your own progressions. • Export to MIDI. • Keep track of your favorites. • Change the tempo. • Switch between color themes. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
KeyPM
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.
- Analyze Billboard top 100
- Create playlists with song metrics
- Filter by key, BPM, Camelot, and mode
- Preview songs from Spotify
- Share music DNA
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Explore the key and tempo behind your favorite songs with KeyPM. Whether you’re a DJ, musician, or curious listener, KeyPM helps you explore musical details, discover compatible tracks, and keep your favorites together. • Search for songs, artists, and albums. • View beats per minute (BPM), musical key, and Camelot notation. • Browse songs and filter by BPM, key, and Camelot. • Find compatible songs based on musical key and tempo. • Save your favorite tracks for easy access. • Listen to song previews when available. • Browse comfortably in light or dark mode. Explore new combinations, plan your next mix, or learn more about the music you love. Music metadata and previews may not be available for every song. Key and tempo values are estimates and may vary between recordings.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Autochords | KeyPM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.1K ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 83.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 4.1K — better | 5 |
| Update frequency | Every 2 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 28 MB | 41 MB |
| Age rating | +4 | 4+ |
| Developer | Astrocode Pty Ltd | Hugo Canseco Llanos |
Customer experience
Autochords
KeyPM
Bugs and requests
Autochords
Reported bugs
2 issues- App freezes up when opened
- Chord progressions don't sound as intended for some moods
Requested features
6 requests- 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
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- Incorporate arpeggio playback and background drums
KeyPM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Autochords
- PRO Weekly$0.997 Days
- PRO Monthly$2.991 Month
- PRO Annual7 Days trial$12.991 Year
- PRO Lifetime$29.99
KeyPM
No in-app purchases
