When is better to buy crypto, on pre sale or on ICO? When you buy on presale, you can get good bonuses, however when you buy on ICO you have a better gurantee not to be scammed.
Pre sale is part of the ICO it is before the ICO starts, ICO is the Initial Coin Offering of the company it is where the company is selling or offering their coins to those who wanted to invest to them. But is is better to buy on pre-sale to get more rewards and also you can get tokens for a cheaper price.