Based on the users' reviews on the Apple App Store, here are three cons and pros for the AppNexus SDK app, each within 15 words: **Pros:** 1. Accurate ad targeting and high-quality ad inventory improve ad revenue significantly. 2. Easy integration with minimal coding required, reducing development time and effort. 3. Real-time analytics and reporting provide valuable insights for ad optimization. **Cons:** 1. Some users report issues with ad display and delayed rendering, impacting user experience. 2. Limited customization options for ad formats and layouts may not suit all advertisers. 3. Occasional app crashes or errors reported, likely due to technical issues rather than SDK. Please note that these pros and cons are based on a general analysis of the reviews and may not reflect the full range of opinions or experiences with the app.