Noise Meter - Noise Monitor
John Xu Utilities iPhoneiPadiPod touchMac
Noise Meter - Noise Monitor is a free Utilities app for iPhone and iPad by John Xu. Rated 5.0/5 from 2 ratings. Requires iOS 18.6. Updated September 7, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- Sep 7
- 2026 · v1.1.1
Screenshots
About Noise Meter - Noise Monitor
Transform Your Device Into a Professional Sound Level Meter Noise Meter delivers laboratory-grade noise monitoring right on your device. Whether you're an occupational safety professional, audio engineer, or simply concerned about noise exposure, our app provides the precision tools you need to measure, track, and analyze sound levels in any environment. PROFESSIONAL MEASUREMENT TOOLS • Real-time decibel monitoring with smooth animations • A, C, and Z frequency weighting support • Multiple industry standards (OSHA, NIOSH, EU) • Peak, minimum, and maximum level tracking • LAeq (equivalent continuous sound level) • TWA (time-weighted average) calculations • Noise dose percentage monitoring • Maximum safe exposure time estimates MODERN INTERFACE Experience sound measurement reimagined with our stunning visual design: • Dynamic animated gauge with color-coded risk levels • Real-time waveform backgrounds that respond to noise • Glass-style cards with elegant data presentation • Smooth transitions and haptic feedback • Easy-to-read statistics at a glance COMPREHENSIVE HISTORY & TRACKING Never lose a measurement with our robust history features: • Automatic session recording and storage • Detailed measurement sessions with full statistics • Time-stamped data for compliance documentation • Historical trend analysis • Export capabilities for reporting OCCUPATIONAL SAFETY COMPLIANCE Built with workplace safety in mind: • OSHA 1910.95 standard support • NIOSH recommended exposure limits • European Union directive compliance • 8-hour dose projections • Action level and criterion level indicators • Safe exposure time calculations AUDIO WEIGHTING OPTIONS Choose the right weighting for your needs: • A-weighting: Human hearing perception (most common) • C-weighting: High-level measurements and peak sounds • Z-weighting: Flat frequency response for technical analysis PERFECT FOR • Occupational health and safety professionals • Construction site monitoring • Factory and industrial environments • Audio engineers and musicians • Home theater calibration • Noise complaint documentation • Environmental noise assessment • Hearing protection awareness • Educational purposes PRIVACY FOCUSED Your measurement data stays on your device. We don't collect, store, or transmit your sound measurements to any external servers. All data remains private and under your control. Download Noise Monitor - 噪音計 today and take control of your acoustic environment. Protect your hearing, ensure workplace safety, and make informed decisions about noise exposure.
What’s new
Version 1.1.1 · Updated September 7, 2026
localized name and subtitle ONLY. nothing else changed. To reviewers, Please don't "shoot down a strawman". This app do not use HealthKit, nor CareKit - it is against our core value of "Security First". I have tested and use chatgpt and claude to verify it. But I welcome any constructive objections with screenshots or evidence to make sure no HealthKit/CareKit is completely absent. If you can use LLM to test and point out any evidence, that will make our app most secure in the world.
App privacy
The developer, John Xu, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.