Dog Whistle: Trainer

Dog Whistle is the most accurate high-frequency dog whistle, dog trainer, and anti-bark tone tool for Android. Adjust the frequency, play a clear high-pitch whistle, and use training presets to teach recall, focus, and quiet behavior — all from your phone, with no extra hardware to carry.

Whether you are house-training a new puppy, working on recall in the park, or trying to stop nuisance barking at home, Dog Whistle gives you a simple, reliable tone you can use anywhere. Set your frequency once and play it with a single tap.

▶ MAIN FEATURES
• Adjustable frequency high-pitch dog whistle
• Training presets for recall, attention, and obedience
• Anti-bark / stop-barking tone
• Recall and attention tones
• Optional vibration feedback
• Simple one-tap play
• Clean, distraction-free dark mode
• Works fully offline — no internet needed

▶ HOW TO USE
1. Pick a training preset or set a frequency manually.
2. Start at a low frequency and a low volume.
3. Tap play to sound the whistle.
4. Pair the tone with a reward the moment your dog responds.
5. Repeat in short sessions and slowly raise the frequency if needed.

▶ WHO USES IT
• Dog owners training at home
• Trainers and puppy training
• Households with stop-barking needs
• Recall and attention training
• Multi-dog households

Every dog hears differently, so start quiet and watch your dog's reaction. Always pair the tone with positive reinforcement and plenty of praise. This app is a training aid and is not a substitute for proper, consistent training or professional guidance.