Version History & Release Notes
Version 3.4.2 - July 14, 2026
Updates
Updated audio engine
- New Audio Settings pop-up shows current Audio Inputs and Outputs, a larger audio level meter, and audio monitoring details.
- Better handling of switching audio inputs and outputs on your devices such as Sound Settings on Mac or Bluetooth connections on iOS. No longer need to restart the app to detect new/changed inputs/outputs.
- Reduced file sizes for mono audio sources.
- Improved mic detection when using Tuner.
- Overall audio performance and stability improvements.
Version 3.4.1 - July 4, 2026
Updates
Added 7#9, 13ths (13, maj13, m13), and 7sus4 chords to the chord detector.
Improved handling of auto-switching between chord keyboard and chord detector
Improved reliability of store kit validation
Version 3.4 - June 22, 2026
Automatic Chord Detection
As you tap in notes on the fretboard, Guitar Notebook will now display names of chords that the notes represent!
Tap any of the suggested chord names to apply it to your chord. You’ll see the name show up in the title bar and on the chord diagram.
Swipe to go back and forth between the Chord Keyboard and Chord Detector, or select from the menu in the toolbar. (Note that Chord Keyboard is not available when using capo or custom tuning).
Group Songs by Label
You can now group your songs by any Label Header. For example, group songs by “Phase” in the song list so you can see all the songs together that are “Ideas”, “In Progress”, or “Released” etc.
Tag and Label filters are now under the “Filter” menu in the Song list.
Now, it’s easier and more powerful than ever to organize your songs in Guitar Notebook.
Custom Font Size for Lyrics
In the Guitar Setup you can adjust the size of your lyrics from 75% to 150% of the current default iPhone/iPad/Mac text size.
Rotate Fretboard on Mac
Tap the Rotate button to switch the fretboard between horizontal and vertical.
Fixes
Fixed rare "AudioEngine could not be initialized" error that would prevent recording.
Fixed issues with playback slider getting stuck.
Waveforms now show up after downloading without reloading the page.
Pro features now work offline (no internet connection) properly.
Song list filters and label sorting now stay in place between launches.
UI Fixes for iPhone zoomed mode.
Tuner now more responsive with built-in device mic
Known issues
These issues will be addressed in upcoming updates.
Deleting a page on one device while having the page open on another will cause a crash.
You have to restart the app in order to recognize Audio Input changes on Mac (for example, turning on an audio interface, or switching from Bluetooth to local mic).