Based on the users' reviews on the App Store, here are three pros and cons of the Cargo Birds Levels app: **Pros:** 1. Challenging levels keep players engaged and interested in progressing. 2. Colorful graphics and animations make the game visually appealing. 3. Simple gameplay mechanics make it easy for beginners to pick up. **Cons:** 1. Frequent ads and pop-ups disrupt gameplay experience and can be annoying. 2. Lack of variety in levels leads to repetition and boredom. 3. Some players experience glitches and crashes, resulting in lost progress.