Sound Meter – dB & Frequency

Sound Meter – Professional dB Meter & Frequency Analyzer

Turn your phone into a powerful sound measurement tool with Sound Meter.
Measure sound levels (dB), analyze frequency, generate tones, capture sound readings, and save sessions all in one simple and powerful app.

Perfect for musicians, engineers, students, creators, and everyday users who want to measure and analyze sound easily.

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Measure Sound Levels Instantly

Use the built-in Sound Decibel Meter to measure surrounding noise levels accurately.
Monitor sound intensity in real time with dB SPL measurement.

Great for measuring:

• Environmental noise
• Studio sound levels
• Home appliances
• Classroom noise
• Workplace sound
• Outdoor environments

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Analyze Sound Frequency

The Frequency Analyzer helps you detect sound frequencies and visualize them instantly.

Features include:

• Live frequency detection
• Peak frequency measurement
• Frequency spectrum visualization
• Real-time waveform monitoring

Perfect for musicians, audio engineers, and sound analysis.

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Tone Generator (Frequency Generator)

Generate sound frequencies instantly using the built-in tone generator.

Supports:

• Sine wave
• Square wave
• Triangle wave
• Saw wave

Useful for:

• Speaker testing
• Audio equipment calibration
• Hearing tests
• Music practice

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Capture dB Readings as Images

Capture and save your sound measurements as visual snapshots.

You can:

• Take screenshots of sound levels
• Share measurements easily
• Document noise readings

Perfect for reports, research, or testing environments.

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Save Sound Measurement Sessions

Keep track of your measurements with session history.

Features:

• Save multiple sound sessions
• Track maximum, minimum and average dB
• View previous measurements anytime

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Key Features

✔ Real-time Sound Decibel Meter (dB SPL)
✔ Frequency Analyzer with live spectrum
✔ Tone / Frequency Generator
✔ dB Image Capture
✔ Session History & Measurement Saves
✔ Clean and modern interface
✔ Accurate and fast measurements

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Who Is This App For?

Sound Meter is perfect for:

• Musicians
• Audio Engineers
• Students
• Teachers
• Sound Technicians
• Researchers
• Anyone curious about sound levels

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Start Measuring Sound Today

Download Sound Meter and turn your phone into a professional sound measurement and frequency analysis tool.

Measure, analyze, generate and save sound — all in one app.

Recent changes:
🚀 v1.1.1

📸 NEW: Record video with live dB, waveform & Hz overlays burned in. Photos now show timestamp + Hz too.

📈 Add editable notes to History sessions. Tap one for a timeline graph of dB & Hz over time.

🎵 New Click/Beat-Rate detector (BPM+Hz). Pitch tuner shows exact cents deviation.

🎛️ Tap the Hz display to type an exact frequency. Tone Generator remembers your last settings.

⚙️ Keep-screen-awake toggle, crash fixes, new Privacy Policy. 100% on-device processing.