Based on the users' reviews of the "A Convert - MP3 Music Converter" app, here are three cons and three pros in English, with 15 words limited for each item: **Cons:** 1. Some users have reported errors in conversion, with files becoming corrupted or incomplete. 2. The app's interface is criticized for being cluttered and difficult to navigate. 3. A few users have experienced crashes and freezes, especially on older devices. **Pros:** 1. Users praise the app's speed and efficiency in converting music files, with outputs being precise. 2. Many appreciate the app's ability to handle various input formats, including YouTube videos. 3. Reviewers have reported good customer support, with issues resolved promptly by the developers. Please note that the conclusions are based on a summary of the user reviews and may not reflect the entire range of opinions on the app.