Based on the user reviews of the Decathlon Utility app, here are three cons and three pros: **Cons:** 1. "Too many ads, disrupts user experience, and is annoying" - frequent and intrusive ads. 2. "Crashes frequently, causing frustration and wasted time" - app stability issues. 3. "Not user-friendly, difficult to navigate and unclear features" - poor user interface design. **Pros:** 1. "Helpful features for sports nutrition tracking and planning" - useful tools for athletes. 2. "Easy to use and update my profile information" - intuitive and convenient profile management. 3. "Good motivation and community support from other users" - inspiring and engaging community feedback. Note: These points are based on the general sentiment and tone of the user reviews, and may not be representative of all users.