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 hit a string and nothing happens, almost like the app can't hear me How do I save a custom tuning? I'm having trouble getting in tune, what should I do? What is Fender Connect? How do I download Fender Tune?