Based on the users' reviews, here are three cons and three pros of the Rainbow Friends Coloring app: **Cons:** 1. Limited content variety: Many users complain about the lack of new and diverse coloring pages. 2. Ads interruptions: Some users report the app being interrupted by frequent and intrusive ads. 3. Limited sharing options: Users find it difficult to share their finished artwork and lack of social features. **Pros:** 1. Soothing and calming experience: Users praise the app for providing a relaxing and calming atmosphere for coloring. 2. Color palette variety: Many users enjoy the wide range of colors and customization options available in the app. 3. User-friendly interface: Reviewers find the app's interface easy to navigate and user-friendly for people of all ages.