Based on the user reviews of the "100 Sekunden - Das Deutschland Quiz" app, here are three cons and three pros in English, each within a 15-word limit: **Cons:** 1. Some users found the app's scoring system unclear and frustrating to navigate. 2. Lack of difficulty levels or adjusting for wrong answers was a drawback for many users. 3. A few users experienced technical issues, such as app crashes or slow loading times. **Pros:** 1. Most users praised the app's engaging and addictive game-style quiz format. 2. The app's broad range of questions on German history, culture, and geography was a major plus. 3. Users appreciated the app's ease of use, with clear and concise instructions and navigation. Please note that these points are based on the reviews available on the App Store at the time of my knowledge cutoff, and may not reflect the full range of opinions or experiences.