Based on the users' reviews, here are three pros and cons of the "Build Rush" app: **Pros:** 1. **Insanely addictive** and engaging game that's easy to learn, challenging to master. 2. **Simple yet satisfying gameplay** with constant updates and new levels. 3. **Smooth and responsive gameplay** with minimal ads and in-app purchases. **Cons:** 1. **Too many pop-up ads** can be frustrating and take away from the game experience. 2. **Some levels feel repetitive** and lack variety in block types or challenges. 3. **Limited customization options** for characters and blocks, which can be disappointing.