What's New

- Minor Bug Fixes
- Adjust Whistle Tempo

App Description

Blow Whistle is a beautifully designed application which allows you to blow into your device in order to create the sound of a whistle.

No need to carry a real whistle when you have one on your iPhone, iPad or iTouch. You can use it to annoy your friends, parents and co-workers, or just use it as a useful whistle for whatever purpose you have in mind. You can adjust the sensitivity of the whistle for noisy or quiet environments.

You can also activate the whistle by shaking or tapping your device.

iPhone Screenshots

(click to enlarge)

Whistle Blow screenshot 1 Whistle Blow screenshot 2 Whistle Blow screenshot 3 Whistle Blow screenshot 4

iPad Screenshots

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Whistle Blow screenshot 5 Whistle Blow screenshot 6 Whistle Blow screenshot 7 Whistle Blow screenshot 8

App Changes

  • February 19, 2012 New version 1.01
  • September 17, 2012 Price increase: FREE! -> $0.99
  • September 20, 2012 Price decrease: $0.99 -> FREE!
  • October 01, 2012 New version 2.0
  • October 10, 2012 New version 2.01
  • October 29, 2012 Price increase: FREE! -> $0.99
  • November 07, 2012 New version 2.1
  • September 20, 2013 New version 3.0
  • October 19, 2013 New version 3.1
  • October 29, 2013 New version 3.2
  • December 17, 2014 New version 3.3
  • October 19, 2015 New version 3.4
  • June 15, 2019 New version 4.2
  • August 16, 2019 New version 4.3
  • July 15, 2020 New version 4.3.1
  • October 23, 2020 New version 4.4
  • August 06, 2021 New version 4.5
  • September 16, 2023 New version 4.7