Based on the user reviews, here are three pros and three cons of the Bubble Classic app: Pros: * Users praised the app's addictively simple gameplay, saying it's easy to learn and play. (15 words) * Many reviewers enjoyed the relaxing and calming experience Bubble Classic provides, being a great stress-reliever. (15 words) * Some users appreciated the app's social features, allowing them to compete with friends and family. (15 words) Cons: * Several users mentioned that the app's ads can be intrusive and frustrating at times. (15 words) * Some reviewers felt that the app's graphics and sound effects are outdated and could be improved. (15 words) * A few users experienced technical issues, such as crashes and lag, that detracted from their experience. (15 words) Please note that these are general summaries and may not reflect every user's opinion.