Based on the users' reviews of Mahjong Fest on the Apple App Store, here are three cons and pros: **Cons:** 1. Some users found the gameplay repetitive and tedious, with too many duplicate levels. 2. Others experienced frustratingly short game sessions, leading to a lack of fulfillment. 3. A few reviewers criticized the app for containing ads that interrupted their gameplay experience. **Pros:** 1. Most users praised the app's addictive nature, citing the joy of completing challenging levels. 2. Many reviewers appreciated the app's calming and relaxing atmosphere, perfect for stress relief. 3. Others enjoyed the social aspect, interacting with friends and joining tournaments to compete. Please note that the cons and pros are based on a general analysis of the user reviews and may not reflect the opinions of every reviewer.