Based on the user reviews of the Fluidsynth MIDI app, here are three cons and pros in 15 words or less: **Pros:** 1. "Excellent sound quality and realistic instrument simulations make it a gem for musicians." 2. "User-friendly interface and customizable settings make it easy to use and fine-tune." 3. "Impressive range of available instruments and sounds to choose from, covering many styles." **Cons:** 1. "Occasional crashes and freezes can be frustrating, even with recent system updates." 2. "Limited compatibility with certain devices or operating systems, which can be a bummer." 3. "Lack of clear instructions or tutorials for new users, which can lead to confusion." Please note that these points are based on a general analysis of the user reviews and may not reflect your personal experience with the app.