NoiseTrace - Decibel Meter
Sound Level, SPL & dB Camera
About
This app measures ambient noise levels and allows users to document sound environments with photos and videos. It provides real-time statistics, project grouping for comparisons, and exportable reports. Useful for everyday sound checks and personal documentation.
What's New in NoiseTrace
2.0
August 29, 2026
NoiseTrace 2.0 adds a complete field-documentation and project workflow: • Create monitoring projects to group and compare multiple measurements • Continue a previous setup with one tap • Capture multiple photos with live dB, time, scene and optional location watermarks • Record video while collecting sound-level data for a synchronized overlay • Compare LAeq, Lmax and possible exceedances in project reports • Export individual and project reports as PDF or CSV • Schedule follow-up reminders and review GB 3096 reference guidance • Calibrate readings for your device • Updated NoiseTrace branding and interface • Fixes for sign-in, membership status, camera permissions, video navigation and report limits Measurements are for environmental reference only and do not replace a professional sound level meter.
MoreSubscription plans
年付（专业会员）
开通专业会员，享受高级会员所有权益 ，无收藏数量限制等功能。
In-App Purchases
$0.99
高级会员月度
开通月度高级会员，可用于使用会员专属工具，享受无广告显示等功能
Developer apps
FAQ
What is NoiseTrace used for?
NoiseTrace is used to measure ambient noise levels, providing real-time decibel readings and statistics. It also allows users to document sound environments by capturing photos and videos with sound-level overlays, making it useful for everyday sound checks and personal documentation.
Does NoiseTrace have ads?
Yes, NoiseTrace contains advertisements. As a free application with in-app purchases, it utilizes ads to support its availability.
What are the subscription options for NoiseTrace?
NoiseTrace offers several subscription plans, including monthly and annual options for 'Advanced Member' and 'Professional Member' tiers. Monthly plans cost $0.99 and $2.99, while annual plans are priced at $14.99 and $19.99 respectively.
Can NoiseTrace readings be calibrated?
Yes, NoiseTrace allows users to calibrate readings to account for microphone differences between devices. This helps to improve the accuracy of the measurements for personal reference.
What kind of reports can NoiseTrace generate?
NoiseTrace can export project summaries and individual measurements as PDF or CSV files. These reports can include key statistics and media attachments, providing a clear overview of documented sound sessions.
Is NoiseTrace suitable for professional testing?
No, NoiseTrace is intended as an environmental reference tool and not a calibrated professional sound level meter. Measurements are for personal reference and documentation only and do not carry legal or certified testing authority.
What devices is NoiseTrace available on?
NoiseTrace is available on iPhone, iPad, and iPod devices. It is designed to run on these Apple platforms.
How often is NoiseTrace updated?
The latest version of NoiseTrace was released on August 29, 2026, indicating recent activity. Updates typically occur to improve functionality and address any issues.
