I personally use many can opener. In my opinion, OXO can opener is one of the best, comfortable to use, and last for ages. I bought from Myer many years ago 30% off (around $20 mark). At 40% off now, I think its a hot price.
Description from Myer
The OXO Good Grips Soft-Handled Can Opener has big, cushioned handles and an oversized knob that turns easily, taking the hard work out of opening cans. The sharp cutting wheel is made of sturdy stainless steel. Also features a built-in bottle opener.
Large, comfortable handles take the pain out of opening cans
Features big, cushioned handles for a non-slip grip, even when wet
Oversized knob turns easily to take the hard work out of opening cans
Sharp cutting wheel is made of sturdy stainless steel
Includes a built-in bottle opener
Also same price at Amazon AU - Free Delivery with Prime.