3.0.1
2017-07-25
This app has been updated by Apple to display the Apple Watch app icon.
-compatible with most recent iOS versions and devices
3.0
2015-02-16
-support of iOS 8 and iPhone 6 (and Plus)
-bode-plot view
-better sharing-options for spectrographs
-better frequency legend
-settings are remembered
2.4
2013-07-04
support of iOS 6 and iPhone 5
2.3.1
2012-05-02
bug-fix: frequency-ruler displays correct frequencies on the new iPad
2.3
2012-04-23
- smoother and more robust spectrogram-display
- support of the new iPad's retina-display
2.2
2011-06-14
-larger touchable area of play/pause- and options-button
-frequency-legend rendered into pictures saved to photo-library, if enabled
2.1.1
2011-05-04
2.1.1
-bugfix: correct frequency display
-bugfix: smoother scrolling
2.1:
-actions-button replaced screen touch for accessing actions
-touching on screen reveals frequency underneath finger
2.1
2011-05-03
-actions-button replaced screen touch for accessing actions
-touching on screen reveals frequency underneath finger
2.0.1
2011-02-18
-faster changing of settings
2.0
2011-01-27
-Spectrogram Pro is now an Universal App! (runs natively on both iPhone and iPad)
-The startup configuration can be configured in the Settings-app
-improved algorithms