I can’t name three because the first one I bought is perfect for my needs on iOS. Guitar Tuna https://apps.apple.com/us/app/guitartuna-guitar-bass-tuner/id52758

I can’t name three because the first one I bought is perfect for my needs on iOS. Guitar Tuna https://apps.apple.com/us/app/guitartuna-guitar-bass-tuner/id527588389 https://apps.apple.com/us/app/guitartuna-guitar-bass-tuner/i...