About OpeNoise
OpeNoise is a real-time noise level meter. TECHNICAL SPECIFICATIONS: - Real-time A-weighted sound pressure level measurement - Minimum and maximum level - Third octave and FFT analysis - Data saving in text file -...
OpeNoise is a real-time noise level meter. TECHNICAL SPECIFICATIONS: - Real-time A-weighted sound pressure level measurement - Minimum and maximum level - Third octave and FFT analysis - Data saving in text file - Calibration - Displaying measurements on a map - Metadata compilation - Sharing calibration and measurements with the OpeNoise community TERM OF USE This app is not intended for professional use, it does not necessarily guarantee an accurate noise measurement. Since each device has a different response to noise, a comparison with a professional noise level meter in the measurement dynamic range is required. The utilization of the app requires adequate technical knowledge and skill; an extemporary measurement might not be correct. The calibrations and measurements sent to the OpeNoise community will be used for statistical purposes only and cannot be used in any way to verify compliance with legal limits. CREDITS Developers: Arpa Piemonte (Regional Agency for the Protection of the Environment of Piedmont - Italy - www.arpa.piemonte.it). The code is open source under GNU v.2 license or later, the code is on GitHub: https://github.com/Arpapiemonte/ KEYWORDS noise level meter, level, sound, noise, measure, measurement, dB, db, dBA, dB(A), decibel
Version History performance improvement and minibug resolution 3.3.0 Jan 7 performance improvement and minibug resolution 3.2.3 12/12/2024 - Displaying measurements on a map - Metadata compilation - Sharing calibration and measurements with the OpeNoise community 3.2.2 05/22/2024 - Added Marker functionality - Improved save options - Minibug fixed - Improvement performace 3.1.1 10/03/2023 Performance improvement 3.0.4 08/21/2023 New layout 3.0.3 08/07/2023 This update from Apple will improve the functionality of this app. No new features are included. - correct bug for languages different from Italian and English 2.0.3 06/25/2018 2.0.0 06/11/2018
Previous Versions
Here you can find the changelog of OpeNoise since it was posted on our website on 2023-09-25 11:06:25.
The latest version is 3.3.0 and it was updated on 2026-06-24 23:23:34. See below the changes in each version.
OpeNoise version 3.3.0
Updated At: 2026-06-03
Changes: Version History performance improvement and minibug resolution 3.3.0 Jan 7 performance improvement and minibug resolution 3.2.3 12/12/2024 - Displaying measurements on a map
- Metadata compilation
- Sharing calibration and measurements with the OpeNoise community 3.2.2 05/22/2024 - Added Marker functionality
- Improved save options
- Minibug fixed
- Improvement performace 3.1.1 10/03/2023 Performance improvement 3.0.4 08/21/2023 New layout 3.0.3 08/07/2023 This update from Apple will improve the functionality of this app. No new features are included.
- correct bug for languages different from Italian and English 2.0.3 06/25/2018 2.0.0 06/11/2018
OpeNoise version 3.3.0
Updated At: 2026-01-07
Changes: performance improvement and minibug resolution
OpeNoise version 3.2.3
Updated At: 2024-12-12
Changes: Dec 12, 2024
Version 3.2.3
performance improvement and minibug resolution
OpeNoise version 3.2.2
Updated At: 2024-05-22
Changes: May 22, 2024
Version 3.2.2
- Displaying measurements on a map
- Metadata compilation
- Sharing calibration and measurements with the OpeNoise community
OpeNoise version 3.1.1
Updated At: 2023-10-03
Changes: Oct 3, 2023
Version 3.1.1
- Added Marker functionality
- Improved save options
- Minibug fixed
- Improvement performace
OpeNoise version 3.0.4
Updated At: 2023-08-21
Changes: Aug 21, 2023
Version 3.0.4
Performance improvement
Disclaimer
Official App Store Link
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