DecibelPro: Sound dB Meter

Noise Level & Frequency Tool

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Accurate real-time decibel meter, precision audio frequency generator, and acoustic speaker water cleaner. DecibelPro is an on-device acoustic utility combining real-time environmental noise measurement (dBA), a precision pure sine tone generator, and an acoustic speaker water cleaner. KEY FEATURES: • Sound Level Meter (dBA): Measure ambient noise levels in real-time with responsive circular gauge and live waveform graph. • Static Peak Hold (Lmax): Lock onto peak sound levels with session average (Leq), minimum, and maximum tracking. • Pure Tone Generator: Synthesize custom frequencies from 20 Hz to 20,000 Hz with adjustable volume. • 165 Hz Speaker Water Cleaner: Resonant acoustic waveform designed to help dislodge water drops and dust from speaker grills. • Session History & CSV Export: Log noise measurements with timestamped records and export data sheets. • Calibrated & Customizable: Built-in microphone offset calibration (-10 dB to +10 dB) and high-contrast color themes. PRIVACY & SAFETY: • 100% On-Device Processing: Zero audio is recorded, saved, or uploaded. Audio samples are analyzed solely in real-time memory. • Consumer Awareness: DecibelPro is an acoustic reference tool for consumer awareness and is not a certified medical or industrial OSHA device.

Ratings & Reviews

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• Multi-Language Support: Fully localized experience across 7 global languages (English, German, Spanish, French, Italian, Portuguese, and Japanese). • Direct Developer Support: Built-in support desk and ad feedback channel (rajasaad707+decibelpro@gmail.com) for prompt assistance. • Audio & Interruption Stability: Smoother audio engine recovery after interruptions and background events. • Performance & Battery Tuning: Optimized real-time UI rendering and improved battery efficiency during continuous measurement.

Version 1.0.2

The developer, Hafiz Muhammad Saad Ullah, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Hafiz Muhammad Saad Ullah
Size
10.6 MB
Category
Utilities
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 5 more
  • English, French, German, Japanese, Portuguese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Hafiz Muhammad Saad Ullah
  • Developer Website
  • Privacy Policy

    • More by Hafiz Muhammad Saad Ullah

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