I use H/L counting .
How important is ace side counting?
Lets say your TC is +4 ,but u havnet aces at all.
or opposite way TC is +1 and your deck is full of aces.
Even u have TC +10 and no aces ,is it reasonable raise bet at all?
for HiLo the ace is already figured into the betting
side counting aces is only good for playing decisions (deciding to double or not double 10/11 for example in which the ACe acts like a small card when double 11 and a big card when doubling 8,9,10. Or for insurance decisions.
... and for that reason, a side count of aces makes very little sense for hi-lo if you play mostly shoes, where strategy plays a small part in your overall EV.