Based on the users' reviews on the Spin Painter app, here are three cons and pros: **Cons:** 1. Many users complained about the in-app purchases with no clear value. 2. Some reviewers found the user interface confusing and cluttered. 3. Several users reported issues with the app's stability and frequent crashes. **Pros:** 1. Users praised the app's unique and entertaining painting experience. 2. Many appreciated the app's ability to save and share creations easily. 3. Some reviewers praised the app's creative freedom and lack of limitations.