KeyFinder vs KeyPM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyFinder
Identify the musical key of any song you're listening to. Use the integrated piano to play along and confirm notes, helping the app pinpoint the correct key. Explore music theory and learn to play songs in different keys.
- Identify song keys
- Built-in piano keyboard
- Note confirmation
- Narrow down possible keys
- Learn songs in any key
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Ever wondered what the key of a song being played is? Wonder no more! Just use the built-in piano keyboard to play along with a song's melody. As you confirm notes that coincide with what's being played, KeyFinder will narrow down the number of possible keys the song is in. -=-= About Scoreless Music =-=- What's next after knowing a song's key? Why not learn to play that same song in ANY key? Find out more at scorelessmusic.com
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 rating: KeyPM at 5.0 against KeyFinder's 2.7. KeyPM also leads on review sentiment (100% vs 60%). KeyFinder's advantage is update cadence (every 3 months vs every 17 months) and ratings volume (322 vs 5). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
KeyPM holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: KeyFinder has 322 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 60% of KeyFinder's written reviews are positive against 100% of KeyPM's.
KeyFinder ships an update every 3 months, KeyPM every 17 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.
| Parameter | KeyFinder | KeyPM |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (322 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 322 — better | 5 |
| Update frequency | Every 3 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Scoreless Music | Hugo Canseco Llanos |
Customer experience
KeyFinder
KeyPM
Bugs and requests
KeyFinder
Reported bugs
4 issues- No sound
- Slow response to touch
- Cannot play minor scales in Ref mode
- Difficulty controlling volume with background music
Requested features
8 requests- Bring the app back
- Update to 64bit
- Label notes on piano keys
- Ability to move up and down the keyboard
- More keys supported (hundreds)
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- Control app volume separately from music
- Show relative minor next to major
- Make a music notation application
KeyPM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
KeyFinder
No in-app purchases
KeyPM
No in-app purchases
