KeyFinder vs Reverse Chord Finder Pro
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
Reverse Chord Finder Pro
Identify chords by inputting notes from various instruments or music notation. Discover chord names, hear them played, and analyze their construction. Supports multiple instruments and customization options for musicians of all levels.
- Input notes via piano, string instruments, or music score
- Extensive chord database with over 100 chord types
- Hear chords as block chords or arpeggios
- Find partial chord matches
- Save identified chords to Favorites
- View chords on different instruments or notation
- Left-handed string instrument support
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If you’ve ever asked “What chord am I playing?” Reverse Chord Finder Pro is for you! Just select two or more notes — using piano, stringed instruments, or music notation — and the app will show you the names of the chords that match. “This app is simply awesome! It will accelerate your discovery of new chords in leaps and bounds and raise your level of playing to new heights.” — A Happy Customer KEY FEATURES * Enter notes in 3 different modes: Piano/Keyboard, String Instruments (guitar, bass, ukulele, etc.), and Music Score * Extensive chord database — more than 100 chord types! * Hear chords played as block chords or arpeggios * Find partial chord matches to isolate passing melody notes * Use the Favorites list to bookmark chords you’ve identified * See the same chord represented on different instruments or in musical notation SPECIAL FEATURES * Left-handed String Instrument support * String Instrument options for 3 to 12 strings, plus capo * Music Score mode supports treble and bass staff, and all 12 major and minor keys * View major scale degrees for selected notes to learn chord construction * Customize chord notation (CDEFGAB, CDEFGAH, Do-Re-Mi) MUSICIANS, COMPOSERS, AND MUSIC STUDENTS * Analyze and write down harmonies * Recognize and construct chords more easily * Improve your understanding of chord theory MUSIC TO OUR EARS “I can look up chords faster than with any other method. Worth much more than the current price.” “With this app I can find out what the chords are ... No more embarrassment in front of the rest of the band!” “A songwriter’s best friend!” Questions or comments? Need some help? Email: support@reversechord.com Web: http://reversechord.com Terms of use: http://reversechord.com/terms.html
Screenshots
Verdict
The clearest difference is rating: Reverse Chord Finder Pro at 4.7 against KeyFinder's 2.8. Reverse Chord Finder Pro also leads on review sentiment (84% vs 60%) and update cadence (every 5 weeks vs every 3 months). KeyFinder's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 15.6). On price, ratings volume, ads and device support 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. Reverse Chord Finder Pro sells 6 in-app purchases, starting at $0.99 per 7 days. KeyFinder asks for nothing beyond the download.
Reverse Chord Finder Pro holds the better App Store score, 4.7 against 2.8. Both are backed by a comparable volume of ratings — 321 and 705 respectively. Written reviews point the same way: 60% of KeyFinder's written reviews are positive against 84% of Reverse Chord Finder Pro's.
KeyFinder ships an update every 3 months, Reverse Chord Finder Pro every 5 weeks. Both last shipped on November 6, 2026.
| Parameter | KeyFinder | Reverse Chord Finder Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (321 ratings) | 4.7 (705 ratings) — better |
| Positive reviews | 60.0% of reviews | 83.6% of reviews — better |
| Number of ratings | 321 | 705 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 5 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Scoreless Music | Ghostdust |
Customer experience
KeyFinder
Reverse Chord Finder Pro
User reviews
KeyFinder
From 321 App Store ratingsWhat we love
- 💡 Useful for finding song keys
- 👍 Simple and effective key locking
- 💡 Cool LED display
- 💡 Good for songwriting aid
- 💡 Works well for intended purpose
Room to improve
- 🤔 Hard to use and unclear
- 🤔 No sound produced
- 🤔 Limited key support (e.g., no C sharp)
- 🤔 Slow response to touch
- 🤔 Difficulty hearing keys with background music
Reverse Chord Finder Pro
From 705 App Store ratingsWhat we love
- 👍 Helpful for identifying chords
- 🚀 Useful for songwriters and musicians
- 💡 Supports various instruments and tunings
- 👍 Easy to use interface
- 👍 Comprehensive chord information
Room to improve
- 🔒 Certain features locked behind paywall
- 🐛 Issues with piano mode functionality
- 🐛 Incorrect chord names displayed
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
Reverse Chord Finder Pro
Reported bugs
2 issues- Capo feature not working as expected
- Sound not playing in some cases
Requested features
5 requests- Ability to save chord progressions
- Chord lookup functionality
- MIDI support
- Customizable chord display options
- Export chord data to PDF
In-app purchases
KeyFinder
No in-app purchases
Reverse Chord Finder Pro
- Weekly (Personal)7 Days trial$0.997 Days
- Monthly (Personal)$1.991 Month
- Monthly (Family)$2.991 Month
Show 2 moreShow fewer
- Annual (Personal)$17.991 Year
- Annual (Family)$24.991 Year
- Lifetime (Family)$34.99
Questions
Is KeyFinder free?
Is Reverse Chord Finder Pro free?
Which has better reviews, KeyFinder or Reverse Chord Finder Pro?
Do KeyFinder or Reverse Chord Finder Pro have ads?
Which is updated more often, KeyFinder or Reverse Chord Finder Pro?
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