Song Key Finder
Everyone
In-App Purchases
Discovering a handy tool that is efficient? Song Key Finder under the AGCscript lineup is your ideal pick. This creation by Mansu Tech is built for you. Discover Music & Audio.
Complete Troubleshooting For Installation Issues Song Key Finder
🎵 KeyFinder – Detect Song Key, BPM & Scale Instantly
Turn your phone into a powerful AI music analysis tool! KeyFinder accurately detects Song Key, BPM (Tempo), Scale, Relative Key, Chords, and Note Energy from live music through your microphone or directly from audio files.
Perfect for singers, musicians, DJs, producers, guitarists, pianists, karaoke lovers, music teachers, and students.
🎤 Detect Music in Real Time
Simply tap the large microphone button and let KeyFinder listen to your music.
• Detect Song Key
• Detect BPM (Tempo)
• Detect Musical Scale
• Detect Relative Key
• Detect Chords
• Fast AI-powered analysis
• Works directly from your microphone
🎧 Analyze Audio Files
Long press the microphone button to choose any audio file from your device.
Supports:
• MP3
• WAV
• AAC
• M4A
• FLAC
• OGG
and many more.
Analyze your favorite songs without recording them again.
⚡ Fast & Accurate AI Analysis
KeyFinder uses advanced Digital Signal Processing techniques including FFT analysis, Chromagram generation, musical key correlation, and tempo estimation to deliver reliable results in seconds.
📊 Interactive Note Energy Graph
Visualize the strength of all 12 musical notes with an interactive Note Energy Graph. See which notes dominate your music and understand exactly how the detected key is determined.
🎼 Get Detailed Results
Every analysis provides detailed musical information including:
✔ Song Key
✔ BPM (Tempo)
✔ Musical Scale
✔ Relative Major/Minor Key
✔ Detected Chords
✔ AI Confidence Percentage
✔ Interactive Note Energy Graph
✔ Beautiful result visualization
🎸 Chord Detection
Discover the chords used throughout your music. KeyFinder analyzes your audio and displays detected chords alongside the Song Key, helping musicians learn songs, practice faster, and understand chord progressions with ease.
💾 Save Your Analyses
Rename and save your detected songs for future reference.
Create your own music analysis library and quickly revisit previous results anytime.
🎨 Beautiful Neumorphic Design
Enjoy a modern, elegant interface featuring:
• Smooth animations
• Beautiful Neumorphic UI
• Dark & Light themes
• Custom accent colors
• Haptic feedback
🚀 Free Features
✓ Unlimited microphone analysis
✓ Detect Key, BPM, Chords, Scale & Relative Key
✓ Quick (10s) & Standard (15s) analysis
✓ Limited audio file analysis
✓ Save up to 5 analyses
✓ 3 accent colors
⭐ Unlock PRO (Lifetime)
Upgrade once and enjoy:
★ Remove all ads
★ Unlimited audio file analysis
★ Deep Analysis (30 seconds) for maximum accuracy
★ Unlimited saved analyses
★ 7 premium accent colors
★ Lifetime access with a one-time purchase
🎯 Perfect For
• Singers
• Music Producers
• DJs
• Guitar Players
• Piano Players
• Bands
• Choir Practice
• Karaoke Performers
• Music Teachers
• Students
• Content Creators
• Songwriters
• Music Learners
📈 Why Choose KeyFinder?
✔ Fast Song Key Detection
✔ Highly Accurate Song Key & BPM Detection
✔ Beautiful & Easy-to-use Interface
✔ Analyze Live Music or Audio Files
✔ Lightweight & Battery Friendly
✔ No Subscription Required
✔ Lifetime PRO Available
📩 Need Help?
We're always working to improve KeyFinder.
If you have suggestions, feature requests, or encounter any issues, feel free to contact us. We'd love to hear your feedback!
Turn your phone into a powerful AI music analysis tool! KeyFinder accurately detects Song Key, BPM (Tempo), Scale, Relative Key, Chords, and Note Energy from live music through your microphone or directly from audio files.
Perfect for singers, musicians, DJs, producers, guitarists, pianists, karaoke lovers, music teachers, and students.
🎤 Detect Music in Real Time
Simply tap the large microphone button and let KeyFinder listen to your music.
• Detect Song Key
• Detect BPM (Tempo)
• Detect Musical Scale
• Detect Relative Key
• Detect Chords
• Fast AI-powered analysis
• Works directly from your microphone
🎧 Analyze Audio Files
Long press the microphone button to choose any audio file from your device.
Supports:
• MP3
• WAV
• AAC
• M4A
• FLAC
• OGG
and many more.
Analyze your favorite songs without recording them again.
⚡ Fast & Accurate AI Analysis
KeyFinder uses advanced Digital Signal Processing techniques including FFT analysis, Chromagram generation, musical key correlation, and tempo estimation to deliver reliable results in seconds.
📊 Interactive Note Energy Graph
Visualize the strength of all 12 musical notes with an interactive Note Energy Graph. See which notes dominate your music and understand exactly how the detected key is determined.
🎼 Get Detailed Results
Every analysis provides detailed musical information including:
✔ Song Key
✔ BPM (Tempo)
✔ Musical Scale
✔ Relative Major/Minor Key
✔ Detected Chords
✔ AI Confidence Percentage
✔ Interactive Note Energy Graph
✔ Beautiful result visualization
🎸 Chord Detection
Discover the chords used throughout your music. KeyFinder analyzes your audio and displays detected chords alongside the Song Key, helping musicians learn songs, practice faster, and understand chord progressions with ease.
💾 Save Your Analyses
Rename and save your detected songs for future reference.
Create your own music analysis library and quickly revisit previous results anytime.
🎨 Beautiful Neumorphic Design
Enjoy a modern, elegant interface featuring:
• Smooth animations
• Beautiful Neumorphic UI
• Dark & Light themes
• Custom accent colors
• Haptic feedback
🚀 Free Features
✓ Unlimited microphone analysis
✓ Detect Key, BPM, Chords, Scale & Relative Key
✓ Quick (10s) & Standard (15s) analysis
✓ Limited audio file analysis
✓ Save up to 5 analyses
✓ 3 accent colors
⭐ Unlock PRO (Lifetime)
Upgrade once and enjoy:
★ Remove all ads
★ Unlimited audio file analysis
★ Deep Analysis (30 seconds) for maximum accuracy
★ Unlimited saved analyses
★ 7 premium accent colors
★ Lifetime access with a one-time purchase
🎯 Perfect For
• Singers
• Music Producers
• DJs
• Guitar Players
• Piano Players
• Bands
• Choir Practice
• Karaoke Performers
• Music Teachers
• Students
• Content Creators
• Songwriters
• Music Learners
📈 Why Choose KeyFinder?
✔ Fast Song Key Detection
✔ Highly Accurate Song Key & BPM Detection
✔ Beautiful & Easy-to-use Interface
✔ Analyze Live Music or Audio Files
✔ Lightweight & Battery Friendly
✔ No Subscription Required
✔ Lifetime PRO Available
📩 Need Help?
We're always working to improve KeyFinder.
If you have suggestions, feature requests, or encounter any issues, feel free to contact us. We'd love to hear your feedback!
Detect Song Key, BPM, Chords & Relative Key from live audio or music files.
Updated on
Aug 22, 2026
Data safety
arrow_forward
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- This app may share these data types with third partiesApp info and performance and Device or other IDs
- This app may collect these data typesApp info and performance and Device or other IDs
- Data is encrypted in transit
