Fender’s free app sports a clean, modern design and lots of alternate tunings, but the tuner’s essential feature — its tuning meter display — is slow, jumpy and often frustrating to use.
Less of a functional tuner than a descent into a skeuomorphic steampunk nightmare. Martin customers — presumably serious guitarists — deserve better than this.
Peterson’s iStrobosoft app is an impressive piece of engineering, offering outstanding accuracy, detection range and calibration options — all in an intuitive and simple-to-use interface.