Based on the users' reviews, here are three pros and three cons of the "What a Leg" app: **Pros:** 1. "Easy to use, intuitive interface, and fun exercises for strengthening legs." 2. "Effective in improving leg strength and flexibility, noticeable results within weeks." 3. "Customizable workouts and tracking features help users stay motivated and on track." **Cons:** 1. "Limited exercises and workouts, repetitive and not challenging enough for advanced users." 2. "No offline access, requires constant internet connection to use the app." 3. "No personalized coaching or guidance, can be confusing for beginners without experience." Please note that these are general summaries based on the users' reviews and may not reflect the full range of opinions on the app.