Based on the users' reviews of the Bubble Fission app, here are three cons and three pros, each within a 15-word limit: **Cons:** 1. Many users complain about the app's frustrating ads, calling them "overwhelming" and "obtrusive." 2. Some users find the game's physics engine too wonky, leading to unrealistic bubble interactions. 3. A few users experienced crashes and bugs, which can be frustrating and ruin the gaming experience. **Pros:** 1. Users rave about the app's calming and soothing atmosphere, describing it as "addictive" and "serene." 2. Many appreciate the game's unique blend of simplicity and complexity, calling it "challenging" and "engaging." 3. Some users praise the app's beautiful graphics and visual design, saying it's "crystal clear" and "visually stunning."