Decibel Meter Plus Pro turns your iPhone or iPad into a clean and easy-to-use sound level meter.
Measure the noise around you in real time, view current, average, max, and peak dB readings, save measurement sessions, and export reports when you need to keep a record.
Whether you want to check a quiet room, monitor everyday environmental noise, compare sound levels over time, or save a simple noise report, Decibel Meter Plus Pro gives you a clear and modern way to do it.
KEY FEATURES
• Real-time decibel meter
View live sound levels with a large, easy-to-read meter.
• Current, average, max, and peak values
Quickly understand how sound levels change during a measurement session.
• Live noise trend
See noise changes over time instead of relying on a single number.
• Save measurement sessions
Keep useful sound level records for later review.
• Session history
Browse saved sessions with date, duration, average level, max level, and noise category.
• Session reports
Review key sound level stats, noise trend charts, location notes, and report details.
• Export & share reports
Export saved reports as an image, PDF, or CSV file. A limited number of free report exports is included. Unlock Unlimited Reports with a one-time purchase for unlimited exports.
• Optional location saving
Save location information only with sessions you manually save.
• Calibration
Adjust readings to better match a reference sound meter.
• Noise level guide
Learn common sound levels and tips for better measurements.
• iPhone and iPad support
Enjoy a redesigned interface that works beautifully on both iPhone and iPad.
• 30+ languages
The app is now localized for users around the world.
• Privacy-friendly design
Audio is processed on your device and is not uploaded.
UNLIMITED REPORTS
Unlimited Reports is an optional one-time unlock for users who want unlimited image, PDF, and CSV report exports. No subscription is required.
SUPPORT
If you have questions, feedback, or need help with purchases or report exports, please contact us at:
ipixeltech@gmail.com
IMPORTANT NOTE
Decibel Meter Plus Pro uses the built-in microphone on your device. Readings are intended for general reference and everyday noise checks. For certified workplace testing, legal compliance, or professional acoustic measurement, please use certified sound level equipment.
I work in the aviation industry, and this app is very useful. The clear, easily read display makes detecting hazardous noise situations easy. My wife likes using this app in the classroom, where it makes it easy to give students feedback on their noose levels.
Developer Response
Thank you so much for using my app and for your support!I’m an independent developer, and I recently updated another app called TimeStamp Camera. It lets you add date, time, GPS location, address, and custom watermarks to photos and videos. It is free to download this week.If you would like to try the premium features(In App Purchase), you can use this promo code:Promo Code: MENW3WR7KJWMNYKLE7(https://apps.apple.com/redeem?ctx=offercodes&id=949277371&code=MENW3WR7KJWMNYKLE7)Thanks again for supporting my apps. I really appreciate it!
My review
GQQSE
App does exactly what I originally wanted. I like the digital presentation, Along with a running graph. A few lines on the graph to show the various levels of sound (ie. normal, loud, & harmful) would be welcome additions. Another addition would be a date/time stamp on the MAX reading.
Developer Response
Thank you so much for using my app and for your support!!!I’m an independent developer, and I recently updated another app called TimeStamp Camera. It lets you add date, time, GPS location, address, and custom watermarks to photos and videos. It is free to download this week.If you would like to try the premium features(In App Purchase), you can use this promo code:Promo Code: N6WXRER6TEYPNRNXER(https://apps.apple.com/redeem?ctx=offercodes&id=949277371&code=N6WXRER6TEYPNRNXER)Thanks again for supporting my apps. I really appreciate it!!!!
Nice to Have
Utah Ron
Sound level meters are high cost items, and so I jumped at the chance to have one via a low-cost app. In addition to general interest use, it was quite helpful in evaluating noise level in cars. It is a keeper.
Developer Response
Thank you so much for using my app and for your support!I’m an independent developer, and I recently updated another app called TimeStamp Camera. It lets you add date, time, address, and custom watermarks to photos and videos. It is free to download this week.If you would like to try the premium features(In App Purchase), you can use this promo code:Promo Code: MYP8MR7T63PR73NTNM(https://apps.apple.com/redeem?ctx=offercodes&id=949277371&code=MYP8MR7T63PR73NTNM)Thanks again for supporting my apps!
Works Great
Cool kid52
Always knew the wife and kids where giving me head ache and now I know why, there way over 120 db x that buy hours of exposure , way over the guide lines listed , and is dangerous to ones health ,
Developer Response
Thank you so much for using my app and for your support!I’m an independent developer, and I recently updated another app called TimeStamp Camera. It lets you add date, time, GPS location, address, and custom watermarks to photos and videos. It is free to download this week.If you would like to try the premium features(In App Purchase), you can use this promo code:Promo Code: 7PHL8MNN3PFJYLL88T(https://apps.apple.com/redeem?ctx=offercodes&id=949277371&code=7PHL8MNN3PFJYLL88T)Thanks again!!!
What’s New?
◉ This update adds powerful new tools for documenting and reviewing noise sessions:
• Capture Noise Snapshots with the current sound level, time, location, and session statistics.
• Mark important events such as vehicles, construction, music, conversations, and other sounds.
• View the exact time when maximum and peak sound levels occurred.
• See event and snapshot markers directly on the session noise chart.
• Export richer image, PDF, and CSV reports with timestamps, events, photos, and measurement details.
• Improved active measurement timing when taking photos, pausing, or switching apps.
• Improved report layouts, photo handling, and session reliability.
• Bug fixes and performance improvements.
◉ Added support for iOS 15.0 and later.
◉ All sound processing remains on your device. No audio recordings are saved or uploaded.
Version 2.2
The developer, 华芳 张, 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 Collected
The developer does not collect any data from this app.
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
Huafang Zhang
Size
12.2 MB
Category
Utilities
Compatibility
Requires iOS 15.0 or later.
iPhone Requires iOS 15.0 or later.
iPad Requires iPadOS 15.0 or later.
iPod touch Requires iOS 15.0 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
