By Brian, 12 October, 2016 Forum iOS and iPadOS I have to tune a number of musical instruments. Does anyone know of a simple tone generator app for an iPhone Options Log in or register to post comments Comments I'm using Talking Tuner Hi! Try this one! I'm using it for tuning my guitar and my mandolin (or did, it's been a while sine I played). And I found it via Applevis ages ago. http://www.applevis.com/apps/ios/music/talking-tuner Good luck! Hi shass, thanks for the Hi shass, thanks for the suggestion. It looks very promising. I've tried it out just by using my voice and it is very responsive. Instrument Tuners I have been using Talking Tuner for quite a while to tune my banjo. It works quite well.