How limit profile creations by age over 18 years old

[bitit.it]

i have found a hold module

"Age Verification "

but  seam too different to actual phoenix system; is available   another way?
Before i'm starting di edit this module for it

 

Enrico

[♥ecartz]

If in Phoenix, you would modify the date of birth module to block registration when the age is incorrect.  You would do this in the process method (function).