7.2
2023-10-19
-Updated for latest iOS devices and new iOS versions
-Bug fixes and stability improvements
7.1
2022-07-13
-Bug fixes and improvements
-Support for more iOS devices and iOS versions
7.0
2021-09-25
-Bug fixes and stability improvements
-Updated for latest iOS and devices
6.0
2020-08-20
-Bug fixes and stability improvements
-Support for direct data file access in Files app
-Support for latest devices and iOS versions
5.7
2019-11-05
-Bug fixes and stability improvements
5.6
2019-10-09
-Fixed issues on iOS 13
-Bug fixes and stability improvements
5.5
2019-08-13
-Updated for any iOS 9 or later
-Fixed issue with setup menu
-Bug fixes and stability improvements
5.4
2018-08-08
-Updated for latest iOS and new devices
-Bug fixes and stability improvements
5.3
2017-09-27
General
- Added Calibration Error Report link to support page
- Fixed crashes on iOS 8 and iOS 9
- Fixed issue with multiple Studio Six Digital apps trying to access our accessories
- Updated App Store in-app purchase accessing and authorization for iOS 11
Live Calibration Updates
- Added cloud-based database for all iOS devices that can be updated in real time
- All devices included
- Includes local default files, in case a device has no internet connectivity
- Different databases for each major iOS version, starting with iOS 10
- New iPhones added to live calibration database
5.2
2017-08-29
-Bug fixes and stability improvements
5.1
2017-03-19
* Updated for latest iOS devices.
* Removed support for older iOS versions, now requires iOS 8 minimum.
* Added simultaneous background launch protection to prevent problems in iOS 10 when plugging in iTestMic or iPrecisionMic when more than one Studio Six Digital app is installed.
5.0
2016-11-22
-Updated for iOS 10 and iPhone 7
-Fixed measurements starting after going to setup page
4.9
2016-09-25
- Updated to support iPhone 7 and iPhone 7 Plus.
4.8
2016-05-09
** SPL Pro, sound level meter app that meets industry Class 1 standards
** Bug fixes and calibration updates
4.7
2016-04-29
SPL Pro -- Class One calculations meet all ANSI and ISO standards for Type 1 Sound Level Meters.
Now supports multi-tasking Slide Over and Split Screen on newer iPads that support this feature.
Calibrations adjusted for all iOS devices.
4.6
2016-04-12
** Best professional iOS-based Sound Level Meter.
** Updated for iOS 9.3. New calibrations loaded for all iPads.
** Save/Recall Updates
* New! Auto-save file name options are now available from the Save/Recall screen mini-menu. Tap the icon with 3 lines.
* New! Added auto-save Name List to store frequently-used file names.
* Fixed auto-save sequence numbers resetting after app relaunches.
* Fixed case where files may not be saved when using auto-save immediately after Delete All Files.
* Fixed possible crash if action buttons were tapped with no file name selected.
* Improved auto-save naming.
**Improved referral screen layout.
**Now always uses 24-bit audio mode if iPrecisionMic is present.
**Fixed an issue where internal mic gain could change coming out of the background
** Support Menu
* Fixed Forum page access.
* Fixed "Rate This App" access.
* Fixed access to other Studio Six Digital webpages
4.5
2016-02-16
* Bug fixes and stability improvements
* Added Projects feature to Settings menu, project data can be saved in data files
4.4
2015-12-08
** Updated all calibrations for iOS 9.1
** Added support for iPad Pro
** Fixed crash on launch on iOS 7
4.3
2015-11-24
** Updated for iOS 9.1 **
** Added support for iPhone 6S and 6S Plus
** Added iCloud file support
4.2
2015-05-13
** Bug fixes and stability improvements
4.1
2015-02-03
Bug fixes and stability improvements.
Now supports 64-bit operation.
Updated calibration for new devices.
4.0
2014-10-02
— Now supports iOS 8. Fixes audio issues on iPad 2, iPad 3, iPad 4, and iPad mini.
— Now supports iPhone 6 and iPhone 6 Plus displays.
— Bug fixes and stability improvements.
3.9
2014-06-14
** Bug fixes and stability improvements.
** Improved calibration system to handle multiple headset, USB audio, and iAudioInterface2 microphones.
3.8
2014-02-25
** Bug fixes and improvements
** Simplified GUI by bringing setup items to main screen
** Added support for AudioTools Wireless communications
** Updated calibration for all current iOS devices
3.7
2013-11-13
-- Updated for iOS 7
-- Updated calibration for all new iOS devices
3.6
2013-06-05
Fixed: "overload" indicator response improved.
3.5
2013-05-09
** Improved audio processing.
** Updates and bug fixes.
3.4
2013-02-03
** Fixed issues with iOS 6.1
3.3
2012-12-13
** Bug fixes and stability improvements.
3.2
2012-11-18
** Added support for iPhone 5 screen.
3.1
2012-11-01
** Stability improvements
** Calibration improvements
3.0
2012-10-20
** Major upgrade -- Complete module from AudioTools
** Supports iPad
** Save / Recall
** Supports iAudioInterface2 and iTestMic