Report updated Apr 17, 2026
Whistle Blow
For individuals requiring a portable, digital signaling tool for sports coaching, attention-grabbing, or casual use.
Overview · Full Intel report in progress
Whistle Blow is an established sports app that is completely free. With a 3.5/5 rating from 1.5K reviews, it shows polarized user reception.
What is Whistle Blow?
Current Momentum
v5.0 · 2mo ago
ActiveLast updated 67d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
SportsRating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Users can activate the whistle sound via microphone input, device shake, screen tap, or remote Apple Watch control.
The app includes configurable microphone sensitivity settings to calibrate the blow-to-whistle feature.
An optional on-screen mic level meter provides real-time visual monitoring of sound input.
Users can select from multiple whistle sound profiles and adjust volume levels for different environments.
How much does it cost?
Who Built It?
Daniel Asto
Providing simple utility and casual gaming experiences for mobile users. Focused on accessible puzzle mechanics and functional digital tools.
Portfolio
5
Apps
What other apps does Daniel Asto make?
Explore the full Daniel Asto report
Portfolio breakdown, audience, momentum, and every app published by Daniel Asto.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Whistle Blow?
Where is it available?
Localized markets (17)
How's The Sports Market?
How does it evolve in the Sports market?
Rank progression
16 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Whistle Blow
Key Takeaways
While the app provides versatile input methods, user feedback highlights significant technical inconsistencies regarding sound duration control and microphone responsiveness.
Where Is It Heading?
Trend analysis
Available very soon