Yes, it is, but look for the ICO you can trust.
1. The project should have a growth potential which depends on the relevance of the idea.
2. It is crucial that the ICO has a working product.
Such as the reOrder ICO - https://ico.reorder.world. They already have a working product and as for the growth potential: the market of public catering will benefit from the automation, regardless whether it is growing or falling, which make this ICO very promising.