About this app
Be a coach, referee or just annoying friend, anything! :) Whistle app on iPhone and iPad: ► Choose from lots of whistles and sounds!
Latest release
What’s New
Version 1.0
Sep 4, 2016
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
- First observed Aug 10, 2026 · 4:01 PM Free
Screenshots
