Will Fender Tune allow for tempered or sweetened (non-440Hz frequency) tunings? We currently don't support other frequencies in the app, but may in the future with enough user requests. Let us know you're interested in this new feature by submitting a request. Related articles I'm having trouble getting in tune, what should I do? I hit a string and nothing happens, almost like the app can't hear me What's a chromatic tuner? How do I set up my Stratocaster® guitar properly?