Those bubbles on qq can be used for free.

Qq Bubble can be used for free, and the viewing method is:

1. Open the phone interface and click the "QQ" icon.

2. In the QQ interface that opens, click the avatar position in the upper left corner.

3. In the open interface, click the "Personalized Dress-up" option.

4. Click the "Bubble" option in the "Personality Dressing" interface that opens.

5. In the interface that appears, find the location of popular recommendation, find the word "activity", and click a bubble style.

6. In the interface that appears, click the "Set Now" option.

7. At this point, you can see that the style you just selected has been selected, and then click.

8. At this point, you will see the word "Settings" below, indicating that the bubble can be used freely.