It depends on their ages. Likewise, before the age of six months, you should feed them thrice a day, and after the age of six months to maturity, you can feed them twice a day. You can also feed grownup cats twice a day, according to many medical studies. However, it is also important what you are giving your cats in meals.
I would like to recommend that you shouldn't stick with a single type of meal and must do variations. I noticed that people advice to stay away from dry food, but it is also essential. Even you can mix well-reputed dry foods like these https://www.catfoodpoint.com/best-dry-cat-food/ with wet food or food with some moisture. Similarly, you also can't only depend on canned food. You should also cook food at home for your cats. Mainly, raw meat is vital for them.