**With this app, you can easily generate pure tones that help stimulate focus, meditation, or deep relaxation.**

---

**⚠️ Very Important**
• Use headphones for the best sound experience.

• Do not use this app while driving or operating heavy machinery.

• Protect your hearing — high volume is not necessary.

---

**🎛️ Create and Customize Your Own Frequencies**

Easily generate and save your own frequencies using two independent oscillators.
Control them with horizontal sliders, fine-tune with adjustment buttons, or tap the frequency values to input precise numbers (supports two decimal places, e.g., 125.65 Hz).

All sounds are generated **in real-time** — not pre-recorded — allowing uninterrupted playback for as long as you wish.

---

**🧠 How It Works**

Binaural beats are a perceptual audio illusion that occurs when two slightly different frequencies are played separately in each ear. Your brain interprets the frequency difference as a rhythmic beat, which can influence your mental state.

For example, playing 300 Hz in one ear and 310 Hz in the other creates a perceived beat of 10 Hz — a frequency associated with relaxation or meditation.

For best results, always use headphones at a low to moderate volume. The binaural effect is only noticeable when both ears are engaged.

🔗 Learn more: [Binaural Beats – Wikipedia](https://en.wikipedia.org/wiki/Binaural_beats)

---

**🎧 Audio Tips**

• Use headphones for a proper binaural experience.
• The app’s volume slider is separate from your device’s system volume — adjust both if needed.
• High volume is not required for effective results.

---

**⚙️ Android Compatibility Note**

Newer Android versions may limit background processes to save battery and optimize performance.
Because this app uses real-time audio synthesis, this can affect audio playback.
To prevent interruptions, follow the instructions on:

🔗 [https://dontkillmyapp.com](https://dontkillmyapp.com)

---

**💾 Manage Your Presets**

• Tap **"Tap to Save"** on the main screen to save your current settings.
• Enter a name and hit Save.
• To load a preset, tap **Presets** and select one from the list.
• To delete a preset, tap the trash icon.

---

**🔊 Background Playback**

To keep the sound playing in the background, simply press your device’s **Home** button.
Note: Pressing the **Back** button will close the app.

---

**⏱️ Timer Function**

Enter a time (in minutes), and the app will automatically stop when the timer ends.

---

**🌊 Brainwave Types**

**Delta** – Deep sleep, healing, detached awareness
**Theta** – Meditation, intuition, memory
**Alpha** – Relaxation, visualization, creativity
**Beta** – Focus, alertness, cognition
**Gamma** – Inspiration, higher learning, deep concentration

---

**✨ Key Features:**

* Helps with meditation and mindfulness
* Boosts focus for studying or work
* Promotes deep relaxation and sleep
* Blocks external noise
* Reduces stress and anxiety
* Real-time sound synthesis — no loops, no interruptions
* Works in the background (via Home button or Quick Tile shortcut)

---