Based on the users' reviews on the Apple App Store, here are three cons and pros for the Jigsaw Classic 2020 app: **Cons:** 1. "Difficulty level increases too quickly, becomes frustrating for casual players." (15 words) 2. "Ads appear more frequently after recent updates, disrupting gameplay experience." (15 words) 3. "No option to disable sound effects or adjust volume to user's preference." (15 words) **Pros:** 1. "Engaging and challenging puzzles with varying levels of difficulty and complexity." (15 words) 2. "User-friendly interface and easy to navigate, perfect for players of all ages." (15 words) 3. "High replay value with daily challenges and limited-time events to keep players hooked." (15 words) Please note that these points are based on the users' reviews and may not reflect the overall opinion of all users.