Spotting patterns in movements between chords is an amazing skill to learn.
But do do that, you need to think in terms of chord functions.
Each chord's purpose , harmonically within the progression - not just it's name.
The KeySense Cards docs show you exactly how to do this, showing all the main functions.
Then the Key Cards show the chord names, their notes, in all 30 keys.
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Works both Online and Offline
Easy access to any Circle of 5ths key from side menu
Colored buttons navigate to the nearest keys
Navigate left to 4th scale degree, right to 5th, both major and minor
Navigate down to relative minor, up to relative major
Swipe to view Key, Staff, Scale, Chord and Progression cards in current Key