Based on the user reviews, here are three cons and pros in English, with 15 words limited for each item: **Cons:** 1. Limited workout variety, causing workouts to become repetitive and boring. 2. Poorly designed interfaces make it difficult to navigate and track progress. 3. In-app purchases for premium features feel unnecessary and expensive. **Pros:** 1. Effective and varied exercises help users achieve noticeable physical results quickly. 2. The app's motivating features, such as rewards and leaderboards, encourage consistent exercise. 3. Comprehensive progress tracking and analytics provide users with valuable insights and motivation. Note: The user reviews are a snapshot of opinions from various users, and may not reflect the full range of experiences or opinions on the app.