Hen or roo

[Kirlou85]

The ones that have paler combs still have very large combs for their ages.

Most of them have rounded feathers this is what’s confusing

 

[Pigeony]

Most of them have rounded feathers this is what’s confusing

Rounded feathers are normal for both males and females at the ages yours are at. Although they can get them as early as 12 weeks/3 months, you may not see saddle feathers until 4 months (or later if they're a particularly late bloomer).