Based on the users' reviews of the Jet F21 Air Simulation app, here are three pros and cons: **Pros:** 1. Realistic flight experience: Users praised the app's realistic visuals and controls, making it easy to feel like a real pilot. 2. Variety of planes to choose from: The app offers a range of aircraft for players to try, keeping the experience fresh and engaging. 3. Simple and intuitive interface: Many reviewers appreciated the app's user-friendly design, making it easy to learn and play. **Cons:** 1. Lack of multiplayer functionality: Some users felt the app would be more enjoyable with the ability to play with others online or locally. 2. Limited customization options: Reviewers noted that the app could benefit from more customization options, such as allowing users to create their own aircraft. 3. Some bugs and glitches: A few users experienced minor technical issues, such as crashes or lag, which detracted from their overall experience.