If you are happy with 80+ WPM on QWERTY or comfortable on Colemak, The marginal ergonomic gain is not worth the weeks of frustration and broken muscle memory for shortcuts.
If you have RSI or pain in your pinky fingers, Arun is a godsend. The pinky is relegated to rare consonants ( Q , J , Z , X ) and punctuation. Your primary typing fingers (index, middle, ring) do almost all the work. Weaknesses (The Trade-offs) 1. Steep Learning Curve Because it breaks the "vowels on one hand" heuristic, it feels profoundly alien. On QWERTY or Colemak, your brain knows "right hand = mostly consonants." On Arun, the pattern is more complex. Expect 2-4 weeks of dedicated practice (30 mins/day) before reaching 30 WPM, and 2-3 months for fluency. lmg arun keyboard layout
Because vowels and consonants are interleaved, your hands will constantly be swapping. This is fast on a split keyboard because each hand can prepare for its next key while the other hand is pressing. Typing feels like a rhythmic, two-handed dance. If you are happy with 80+ WPM on