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  1. v5.0iOS
    Accessibility Updates
    - Full VoiceOver support for all interactive elements
    - Auto-disables blow sensor when VoiceOver is on to prevent speech from triggering the whistle
    - Respects Reduce Motion by skipping the shake animation
  2. v4.10iOS
    - Choose your whistle sound!
    - Many new whistle sounds added (Police, Sports Coach, Joy, Male, Sci-fi, Steam Locomotive, Cartoon Slide Up, and more)
    - Added haptic feedback for taps and whistle triggers
    - Fresh app design and updated layouts, plus a new launch screen
    - iPad experience improved: edge-to-edge backgrounds and full-screen settings
    - Adjustable volume and blow sensitivity controls
    - Optional microphone level meter you can show or hide
    - Smoother playback with a brief cooldown to prevent accidental repeats
    - iOS 13 or later now required
  3. v2.1.01Android
    New Premium available:
    - No ads
    - Additional whistles
    - Adjusting background color
    - Sound frequency generator
    Faster access to the SOS button - now it is available right after starting the application in the top-right corner
    Bug fixes and stability improvements
  4. v4.9iOS
    - Minor bug fixes
  5. v4.8iOS
    What's New
    
    Apple Watch Support
    You can now remotely play the whistle directly from your Apple Watch.
    
    Improved UI
    Enjoy an even more elegant user interface with a clean, clutter-free main screen.
  6. v4.7iOS
    - Minor Bug Fixes
    - Adjust Whistle Tempo
  7. v4.6iOS
    - Update for latest iOS
    - Minor bug fixes
  8. v4.5iOS
    - Minor bug fixes
  9. v4.4.1iOS
    - Minor bug fixes
  10. v4.4iOS
    - New whistle sound with more character!
    - Fixed infinite whistle loop when sensitivity was set to maximum
    - IOS14 Updates
  11. v4.3.1iOS
    - Slight screen adjustment for newer devices
  12. v4.3iOS
    - New IOS compatibility updates
    - Minor bug fixes
  13. v4.2iOS
    - Performance Improvements
    - Minor bug fixes
    - IOS Updates
  14. v4.1iOS
    + Performance improvements
    + Minor bug fixes
    + IOS 11 compatibility
    + iPhone X support
  15. v4.0iOS
    - App now works in all orientations on all devices
    - Whistle is now animated
    - Fixed settings bugs
    - Fixed microphone sensitivity issues
    - Updated for latest IOS computability
  16. v3.4iOS
    - IOS 9 Compatibility Updates
  17. v3.3iOS
    - IOS 8 Compatibility Fixes
  18. v3.2iOS
    Localization for: French, German, Spanish, Italian, Japanese, Chinese (simplified), Chinese (traditional), and Korean
    TestFlight SDK integration
    Updated Screenshots
  19. v3.1iOS
    iOS 7 Support!
  20. v3.0iOS
    - Fixed infinite audio loop
    - Added bluetooth microphone support
    - Simplified interface
  21. v2.1iOS
    iAd integration is removed
    Flurry Analytics are integrated
  22. v2.01iOS
    Fixed sensitivity issue
  23. v2.0iOS
    Added button which allows user to silence the whistle
    Added switch which allows user to disable the "blow to play" feature
    Fixed sensitivity bar so it is now logical
    Added iOS 6 compatibility
  24. v1.01iOS
    -Bug fixes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Whistle Blow, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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