Plusieurs utilisateurs d'Apple Watch, Google Fit et Fitbit peuvent s'affronter en activité. Voici comment.

This text provides a comprehensive guide on how to use the Challenges app for fitness competition. Here's a breakdown of the key points: **Challenges App vs. Apple Fitness:** * **Challenges:** Focuses on multi-person and global competitions. Allows users with different fitness trackers to compete. Requires a unique code to join challenges. * **Apple Fitness:** Better for individual tracking of steps, calories burned, and competing with one other person. **How Challenges Works:** 1. **Joining Competitions:** You can either: * Join existing competitions using a unique code. * Create your own competition by setting a name, description, start/end date, photo, challenge type, and competition type (individual or team). 2. **Earning Points:** * **Apple Watch:** 12 points per closed Activity ring (max 36 points daily). * **Fitbit:** 1 point per 400 steps (max 36 points daily). * **iPhone:** Steps tracked via Apple Health app, converted similarly to Fitbit points. **Types of Challenges:** * **Close Your Rings:** Requires Apple Watch users. * **Eat Healthy & Move More:** Compatible with various fitness trackers. **Benefits of Challenges App:** * Wider competition scope (multiple people, global). * Works with different fitness trackers. * Privacy-focused: Only requires a code to join, no personal information sharing. **Who Should Use It:** People who enjoy competitive fitness tracking and want to challenge themselves against others using various devices. Let me know if you have any other questions about the Challenges app!