Based on the users' reviews of the Power Cube app, here are three cons and pros: **Cons:** 1. "Disappointing experience. Ads are invasive and often crash the app." (15 words) 2. "Limited functionality, not suitable for power training or customization." (15 words) 3. "No option to track progress or sets, frustrating for serious athletes." (15 words) **Pros:** 1. "Intuitive design makes it easy to use for strength training basics." (15 words) 2. "Excellent for beginners, provides a solid foundation for building strength." (15 words) 3. "Love the variety of exercises, keeps workouts fresh and engaging." (15 words)