apps / 492003219
Whistle Blow
The best whistle app!
Daniel Asto · Sports · $0.99 · US storefront
- rating
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- ratings
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- updated
- Feb 8, 2026
- released
- Feb 10, 2012
v5.0
visible word pool · 5 words
title 12/30 chars · subtitle 21/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Whistle Blow's pool that are public — the keyword field is not exposed by any API.
from the listing
Blow Whistle turns your iPhone into a crisp, realistic whistle, no hardware needed. Trigger it your way: blow into the mic, shake your device, tap the screen, or remotely trigger it from your Apple Watch. Perfect for getting attention, coaching, pranks, or quick sound effects. Dial in exactly how you want it to respond with adjustable microphone sensitivity and full volume control. Pick your favorite whistle sound and, if you like, display a live mic level meter for visual…
latest US reviews
★★★★★
Buhnda
The app is straight trash. Just bad. On da guys
— ungay dude
★★★★★
Doesn't work properly
I purchased this app for my iPhone 6 Plus to help a young child do the HPVT. Every little sound in the room made the whistle go off. Blowing, however, did not.
— HalfDozenPlusOne
★★★★★
Basic
No animation on the whistle and it only has one pitch. You can't blow harder or softer.
— kineticid
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