Based on the user reviews of the Harpoon Stack app, here are three cons and pros: **Cons:** 1. Many users experienced errors and crashes, which frustratingly interrupted their workflow. (15 words) 2. Some users found the app's learning curve to be steep, leading to initial confusion. (15 words) 3. Although visually appealing, the app's UI/UX could be improved for better usability. (15 words) **Pros:** 1. Users praised the app's seamless collaboration features, allowing for smooth teamwork. (15 words) 2. Many appreciated the app's feature-rich interface, which boosted productivity and efficiency. (15 words) 3. Reviewers loved the app's customizable tools, which helped them tailor their workflow to suit. (15 words) Please note that the user reviews are subject to change over time.