Decibel Alarm+ dB Noise Alert

Sound Threshold Warning Alert

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Monitor ambient noise and get alerts when dB exceeds your threshold. Live meter, customizable alarm, vibration. For office, library, baby room, sleep. Free, minimal ads. Set custom noise threshold alerts and get notified when ambient sound levels exceed your limits. Decibel Alarm+ continuously monitors environmental noise through your phone's microphone and triggers alarms when decibel levels cross your preset boundaries. Perfect for monitoring noise levels in offices, classrooms, nurseries, or any environment where sound control matters. Set multiple threshold levels with different alarm types — visual, haptic, or audio notifications. The real-time dB meter displays current, average, and peak noise levels with a clean gauge interface. Review noise history logs to identify patterns and troublesome time periods throughout the day. Ideal for noise-sensitive environments, workplace safety compliance, baby monitoring, or protecting your hearing in loud venues. Runs reliably in the background with minimal battery impact.

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- Performance and stability improvements - Updated ad personalization handling for EEA users

Version 1.0.7

The developer, Kyu-Hee Jang, 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

  • Data Not Linked to You

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

    • Identifiers
    • Usage Data
    • 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
  • Kyu-Hee Jang
Size
  • 42 MB
Category
  • Utilities
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
18+
Copyright
  • © Copyright 2026 Simon Jang. All rights reserved.
  • Developer Website
  • Privacy Policy

    • More by Kyu-Hee Jang