Based on the users' reviews, here are three cons and pros for the Easy Guitar Tuner app: **Pros:** 1. "Accurate and easy to use, helps me get in tune quickly and reliably." (15 words) 2. "Simple and intuitive interface makes it easy to use for beginners and pros alike." (15 words) 3. "Fast and quick, perfect for gigs and rehearsals when you need to tune up fast." (15 words) **Cons:** 1. "Occasional latency issues cause brief delays that can be frustrating during playsessions." (15 words) 2. "Lack of calibration option can lead to minor tuning errors, but this is rare." (15 words) 3. "No visual display of tuning, relies solely on audio, which can be confusing at times." (15 words) Please note that these conclusions are based on a general analysis of positive and negative reviews, and individual opinions may vary.