Based on the user reviews of the Stack Surfer app on the Apple App Store, here are three pros and three cons in English, with each item limited to 15 words: **Pros:** 1. **Fun and addictive gameplay**: Players enjoy the challenging level progression and thrilling gameplay experience. 2. **Great graphics and music**: Users appreciate the app's visually appealing graphics and engaging background music. 3. **Easy to pick up**: The game's simple controls make it easy for new players to start playing immediately. **Cons:** 1. **Too many ads and in-app purchases**: Users feel frustrated with the high frequency of ads and expensive in-app buys. 2. **Difficulty spikes are too hard**: Some players find the game's difficulty level jumping too rapidly, becoming frustrating to play. 3. **Limited replay value**: After completing the main levels, users feel that there's little to do besides repeating same content.