Based on the user reviews on the Apple App Store, here are three pros and three cons in 15 words or less: **Pros:** 1. "Helps me focus on creative work by blocking distracting colors, works well." 2. "Simple and easy to use, love the customizable settings and features." 3. "Great productivity tool, reduces eye strain and improves my workflow." **Cons:** 1. "Some colors are still visible, not as effective as expected for me." 2. "Lack of tutorials or guidance, can be confusing for new users." 3. "Crashes occasionally, needs more stability and bug fixes."