In my experience, electronic tuners suck at accurately detecting the note played.They often pick up harmonics as the note.

The low b on my 5 string bass is often identified as an f by electric tuners.

They also just aren't very accurate when they do detect the right note. I've never used a tuner where my cello is actually in tune when it says it is, always requires tweaking.

Innacarute, jumpy, slow response.

The most popular tuner of all time is the BOSS pedal, and the LED lights are too far part from eachother, it's simply not granular enough to really get in tune to my ears.

Stroboscopic tuners are the way to go