Solfege. Musical notes.
English IQ: dictionary words.
Swipe Chess - Cards & AI tutor
Conversation IQ：Language Coach
Korean Pro: dictionary & exams
French Pro: dictionary & exams
German Pro: dictionary & exams
Focus Lt hyperfocal DOF
Focus / DOF hyperfocal calculator depth of field
Chinese Pro - HSK vocabulary
Design AI - image generator
Intervals Pro: ear training
