A fee is required.

Polka Dot Music is a music video software with a strong musical atmosphere. According to the user's listening preferences, AI personalized recommendations of music you like. Users can also upload dynamic backgrounds for their favorite music, adding more visual stories and atmosphere to the music.

The charging rules are:

1. Wave Dot Music will be free for three months and then you will be charged.

2. Wave Point Music provides each new user with three months of free membership for users to use.

3. To become a member after three months, you need to pay a certain fee, which is 15 yuan/month.