Supported Features
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Larger Text
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Dark Interface
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Differentiate Without Colour Alone
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Sufficient Contrast
NIOSH Sound Level Meter
Decibel Meter
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Your hearing can’t be replaced. Know when it’s at risk with smart alerts based on NIOSH noise exposure limits.
Your hearing is irreplaceable. Know when it's at risk.
Turn your iPhone into a precision sound level meter that monitors noise in real time and warns you before exposure becomes dangerous. Whether you're on a construction site, at a concert, or just curious about your daily environment — Decibel Meter gives you the clarity to protect what you can't get back.
What You Get — Free:
- Real-time decibel monitoring with a beautiful, color-coded gauge
- Instant noise categories: Quiet, Moderate, Loud, Very Loud
- Live current, peak, and average sound level statistics
- OSHA and NIOSH exposure time tracking with visual warnings
- Haptic feedback when noise levels change significantly
- Background monitoring — keeps tracking when you switch apps
- Dark mode and accessibility support
What Pro Unlocks — One Purchase, Yours Forever:
Smart Safety Alerts
- Custom alert thresholds — set personal dB limits for any environment
- Notifications at 80% of safe exposure time
- Immediate alerts when OSHA/NIOSH limits are reached
Noise History and Session Tagging
- Track your exposure patterns over days and weeks
- Tag sessions by location or activity (Office, Concert, Construction, and more)
- Filter history by tag to find patterns
- Detailed charts with peak and average levels
Professional Tools
- Calibration settings for reference level and offset adjustments
- OSHA and NIOSH compliance reports — generate and share as PDF
- Workplace safety documentation for supervisors, clients, or medical professionals
Who It's For:
- Workers in noisy environments protecting their hearing
- Safety professionals monitoring workplace compliance
- Sound engineers and musicians managing venue levels
- Parents and teachers checking classroom or play environments
- Anyone who wants to understand the noise around them
Why It Matters:
Noise-induced hearing loss is permanent. It builds gradually from exposure you may not notice. Decibel Meter tracks what your ears cannot — cumulative exposure over time — and tells you when to act. One affordable upgrade protects your hearing for life.
Download now and find out what your ears have been living with.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Added custom noise level alerts and session tagging.
- Fixed PDF compliance report exports in Dark Mode.
In-App Purchases
The developer, Patzer LLC, 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:
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Provider
- Mobile Card Games & Travel Apps LLC
- Size
- 18.3 MB
- Category
- Utilities
- 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.
- iPhone
- Languages
English and 32 more
- English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Annual Subscription USD 29.99
- Weekly Subscription USD 1.99
- Pro - NIOSH Noise Exposure USD 5.99
- Copyright
- © Copyright 2026. Mobile Card Games & Travel Apps LLC. All Rights Reserved.
