Earn up to 

* Every time you invite a friend to register, you will receive an additional 30 credits, and your friends will also receive free 30 credits.
The more friends you invite, the more points you can earn, with no limit.

Buffup.AI only use the best AI and provide users with the simplest experience. If more powerful AI such as ChatGPT5 or Calude4 are launched in the future, we will upgrade for all users.