The short version
A traditional curling iron gives you full manual control but takes practice. An automatic curler wraps the hair for you and times each curl, so beginners get even results quickly. If you've ever burned a finger or ended up with uneven curls, an automatic curler is usually the easier choice.
Ease of use
With a curling iron you clamp, twist and hold, judging the timing yourself. With an automatic curler you place a section in the opening, press the button and wait for the beep. The learning curve is minutes, not weeks.
Consistency
Because the timer controls every curl, an automatic curler gives you the same result on the back of your head as the front. Set 8–10 seconds for loose waves, 12–14 for bouncy curls or 16–18 for tight ringlets.
Safety
Open hot barrels are the main burn risk with a curling iron. Automatic curlers keep the heating chamber enclosed. Look for auto shut-off and an anti-scald shell. The CurLee Beauty curler has both, with a 10-minute auto shut-off.
What to look for in the best automatic curler
Adjustable heat (so you can go low for fine hair and high for thick hair), several timer options, auto shut-off and, if you travel, a cordless rechargeable battery. Check the charge time too. The CurLee Beauty curler charges in about 4 hours and runs about 50 minutes per charge.
When a curling iron still wins
Very long, very thick hair or specialty styles like flat waves can be easier with a manual iron or wand. For everyday curls and waves, most people find an automatic curler faster and more forgiving.
Full disclosure: we sell the CurLee Beauty automatic curler. See our full buying guide to compare features side by side.