Insta Siren Whistle

Insta Siren Whistle plays a siren whistle sound instantly when the app loads.

Insta Siren Whistle plays a siren whistle sound instantly when the app loads. Then you can play that same sound by tapping the large green button, or you can change it in the sound settings area. Each InstaSoundFX app has multiple sounds to choose from, and they're all Free & Fun!

★★★★★ Available on Phones & Tablets ★★★★★

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