Based on the user reviews on the Apple App Store, here are three pros and three cons of the Keycaps Stack app, each in 15 words or less: **Pros:** 1. "Perfect for maintaining organization and labeling my keyboard keys with ease!" 2. "Customizable and adaptable to my specific typing habits and keyboard layout!" 3. "Streamlined and intuitive design makes it a breeze to use!" **Cons:** 1. "Occasional lag and glitches when switching between apps or typing quickly!" 2. "Limited keyboard shortcuts and customization options, especially for advanced users!" 3. "Cannot export or transfer keycap layouts to other devices or apps easily!"