About Sound Frequency Analyzer
🎧 Sound Frequency Analyzer is a real-time audio analysis tool that measures sound frequencies and amplitude using your Android device's microphone. 📊 Features: • Real-time sound frequency and amplitude analysis
🎧 Sound Frequency Analyzer is a real-time audio analysis tool that measures sound frequencies and amplitude using your Android device's microphone.
📊 Features:
• Real-time sound frequency and amplitude analysis
• Display of average frequency (Hz) and amplitude (dB)
• Graphical spectrum view with zoom for detail
• Interactive sound graph to examine specific frequencies
• Self-calibration to match your phone’s microphone characteristics
• Works as a decibel (dB) meter and frequency (Hz) analyzer
🎶 Use for Music:
Perfect for musicians and hobbyists — visualize the frequencies of instruments like piano, guitar, violin, and voice. Analyze pitch and loudness during practice, tuning, or live playing. Most instrument tones fall well within the supported range of this analyzer (up to ~4,000 Hz).
🔎 How It Works:
The app captures audio using your phone’s mic and analyzes it in real time. It shows a live graph of sound amplitude across different frequencies — giving insight into the sound environment around you.
📈 Analyze Sounds Like:
• Musical notes and tuning
• Voice and speech tones
• Room or background noise
• Basic tones and ambient sounds
🎯 Use Cases:
• Instrument tuning
• Sound level monitoring
• Audio calibration
• Educational sound analysis
Note: This version is optimized for audio up to approx. 4,000 Hz. Some high-frequency content (e.g. cymbal overtones or ultrasonic signals) may not be fully displayed, depending on your device’s microphone.
🌟 Free to use — with an optional banner ad at the bottom to support development. You can remove ads via in-app option if desired.
Download Sound Frequency Analyzer and start exploring the hidden patterns in the sounds around you!
Previous Versions
Here you can find the changelog of Sound Frequency Analyzer since it was posted on our website on 2016-11-09 12:22:16.
The latest version is 3.5 and it was updated on 2026-03-18 22:08:29. See below the changes in each version.
Sound Frequency Analyzer version 3.5
Updated At: 2026-02-27
Changes: Performance and stability improvements
Sound Frequency Analyzer version 3.4
Updated At: 2026-02-23
Changes: •
Optimized for Android 15 (API 35).
•
Added Ads bidding support for improved ad performance.
•
Minor bug fixes.
Sound Frequency Analyzer version 3.3
Updated At: 2025-08-30
Changes: Updated to the latest Google Play Billing (v8) for smoother, more reliable purchases.
Sound Frequency Analyzer version 3.1
Updated At: 2025-05-08
Changes: This version contains an update to support Android 14.0 (target sdk 34 release)
Sound Frequency Analyzer version 2.1
Updated At: 2016-11-18
Changes: Amplitude and Frequency average Graph visualization added
Sound Frequency Analyzer version 2.0
Updated At: 2016-10-23
Changes: Performance optimizations
Disclaimer
External Download
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