Based on the users' reviews of the Beam Run app, here are three cons and pros: **Cons:** 1. "Disappointing experience with frequent crashes and slow performance." (15 words) 2. "Limited functionality and features, making it difficult to use for frequent runners." (15 words) 3. "No option to customize or personalize running routes, which can get boring." (15 words) **Pros:** 1. "Easy to use and navigate, even for beginners, with clear instruction guides." (15 words) 2. "Accurate tracking of runs, providing a sense of accomplishment and motivation." (15 words) 3. "Variety of pre-built routes and exercises, offering a fresh experience each time." (15 words) Please note that these conclusions are based on a summary of the available reviews and may not represent the opinions of all users.