What's New

Enhanced operation for iOS 9 and the iPhone 6s and 6s Plus.

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App Description

HotPaw inTuna A440 is a Free strobe tuner for just one musical pitch, Concert A, commonly 440 Hz, using the microphone on your iPhone for sound input. Many professional musicians prefer strobe tuners because they are faster and more precise, and work better when there is background noise, compared with needle indicator tuners.

The concert A reference pitch used by inTuna A440 is adjustable by plus/minus 10 Hz.

Also by HotPaw Productions in the App store Music category:

inTuna - Guitar Tuner, a strobe tuner optimized for tuning 6 string guitars.

Sing-inTuna, visualize how well you can sing in tune.

and iAutoharp, easy and fun to play.

iPhone Screenshots

(click to enlarge)

inTuna A440 screenshot 1

App Changes

  • February 28, 2012 New version 1.5.0
  • April 12, 2013 New version 1.6.0
  • January 12, 2016 New version 1.8.1
  • January 12, 2016 Price increase: FREE! -> $0.99
  • June 21, 2016 Price decrease: $0.99 -> FREE!