Tone Generator & Visualizer

This app transforms your phone into a powerful sound signal generator. Create, combine, and visualize audio in real-time. It is the perfect tool for professional engineers, audio enthusiasts looking to fine-tune their systems, or anyone searching for resonance in a room or vehicle. ​✅ What you can do with the app: ​Test Speakers & Headphones: Hear exactly how your gear handles deep bass or high frequencies. ​Find Resonance: Easily identify frequencies that cause objects or acoustic systems to vibrate. ​Test DIY Electronics: Use your phone as a reliable signal source for checking amplifiers and circuits. ​Experiment with Sound: Mix multiple frequencies simultaneously and watch the results on your screen. ​✨ Key Features: ​4 Waveform Types: Pure Sine, crisp Square, Triangle, and Sawtooth waves. ​Live Oscilloscope: Don't just hear the sound—visualize its waveform in real-time. ​Multi-Tone Mode: Run several frequencies at once to see how they overlap and interact. ​Wide Range: From deep sub-bass (20 Hz) all the way up to ultrasound. ​Precision & Stability: Crystal-clear signal generation with no delays or interruptions. ​🚀 Simple & Reliable: ​No complex setups required. Just open the app, set your frequency, and hit "Play." It works offline and is always ready for action in the workshop or at home.