Depends if you purchased decent pans in the first place. They have to have ferrous/conductive metal in the base.
had one for 2 years not keen to be honest, mine was an expensive one, also you have to buy new pan's as ordinary pans don't work so beware, they not cheap!
A lot of the cheaper ones dont have that temperature control; in fact I think the Lidl/Aldi ones only started featuring in in the last 1-2 years; we have a 4 y/o one that doesnt have it. You CAN simmer etc without it, but to do so, you have to ignore the advice on using thin bottomed pans, you need ones with a thick base to even out the power pulses.
I have an Aldi one of these and it has two settings, Temperature and Power. By adjusting both I can fry, boil and simmer with excellent control. I'm guessing this one works the same.....it's just a question of getting used to/experimenting with the settings..... Since purchasing it and an Electric Pressure/Slow cooker....I've never used my gas hob ;-)
These things are great for boiling, not so hot at simmering or frying. They dont have enough power levels to get the heat levels right. Good for a taster of what life could be like with a full sized, 15+ level hob version.