Decibel Meter - Sound Recorder

Noise measurement & spectrum

Free · In‑App Purchases · Designed for iPad

Your pocket acoustic lab. Turn your iPhone into a high-precision sound level meter for environmental noise checks, workplace safety, and evidence recording. Get reliable readings plus real-time spectrum analysis and hearing-protection insights. [Key Features] • Multiple weighting modes: calibrated dB readings with A/B/C/Z and ITU-R 468. • Real-time spectrum: high-speed FFT with a clear 20Hz–20kHz distribution. • Noise exposure tracking: OSHA/NIOSH Dose and TWA with risk alerts. • Recording for evidence: record while measuring, supports background recording. • Auto Pause: automatically pauses recording below a threshold and resumes above it. • iCloud sync: measurements and recordings sync across devices. • Professional reports: export PDF with trends, max/min/avg, and location. • Calibration & privacy: manual device calibration; data stored locally or in your iCloud. [Common Scenarios] • Neighbor noise evidence: accurately record renovation/party noise levels and recordings to support complaints and dispute resolution. • Sleep environment monitoring: check bedroom background noise, identify sources that affect sleep, improve rest quality. • Workplace assessment: monitor noise exposure in factories, construction sites, or offices to prevent occupational hearing loss. • Appliance noise testing: check whether air conditioners, refrigerators, or ventilation systems exceed limits for quality checks or returns. • Hearing protection: monitor levels at concerts, clubs, and other loud environments to avoid irreversible hearing damage. [Privacy] Microphone access is only for sound analysis. Audio stays local or in your private iCloud. [Subscription Info] • You can subscribe for unlimited access to all features of Decibel Meter. • Subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. By using this App, you agree to our Privacy Policy and Terms of Use: http://cpux.gmud.top/web/soundmeterx/privacy-en.html http://cpux.gmud.top/web/soundmeterx/terms-en.html

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

- Added haptic feedback - Improved UI and chart visual experience - Fixed known issues and improved app stability

Version 1.0.2

The developer, 永刚 陈, 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 Not Linked to You

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

    • Identifiers

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
    • 永刚 陈
  • Size
    • 7.6 MB
  • Category
    • Productivity
  • Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 11 more
    • English, French, German, Indonesian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese
  • Age Rating
    4+
  • In-App Purchases
    Yes
  • Copyright
    • © SoundMeterX
  • Developer Website
  • Privacy Policy

    • More by 永刚 陈