K 메트로놈

K-Metronome is an intuitive and accurate metronome app for practice and performance.
You can freely set the beat, unit, and BPM, and it distinguishes between strong and weak beats and displays them visually with sound or flash.

It also operates reliably in the background as a foreground service, making it ideal for instrument practice, vocal training, and rhythm training.

### Key Features

* Beat (1-16) / Unit (1, 2, 4, 8, 16) settings
* BPM adjustment from 40 to 240
* Differentiate between strong and weak beat sounds
* Flashing feature on strong beats (on/off in settings)
* Circular animation on strong and weak beats
* Expandable sound set
* Background playback (foreground service)
* Pause/stop controls available from the notification bar
* Completely terminates the service when stopped

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### 1. CAMERA permission (for flash control)

<br>android.permission.CAMERA<br>android.hardware.camera.flash<br>

This app does not use the camera function.
This permission is used solely for the purpose of flashing the flash during Strong Beats.

* Photo/Video Capture: Not Used
* Device Storage Access: None
* Personal Information Collection: None

The flash will never operate unless the user has enabled it in Settings.

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### 2. POST_NOTIFICATIONS (Android 13+)

<br>android.permission.POST_NOTIFICATIONS<br>

Used to display a notification bar with a play/pause button when the metronome runs in the background.

We never send advertising or marketing notifications.

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### 3. FOREGROUND_SERVICE / MEDIA_PLAYBACK

<br>android.permission.FOREGROUND_SERVICE<br>android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK<br>

This permission is required to allow stable background playback so that the metronome sound does not turn off.

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### 4. WAKE_LOCK

<br>android.permission.WAKE_LOCK<br>

This permission is only used to keep the CPU powered up briefly to maintain the beat and prevent sound from cutting out even when the device is locked.

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### 5. REQUEST_IGNORE_BATTERY_OPTIMIZATIONS

<br>android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS<br>

This feature prevents the metronome from shutting down due to power saving mode on some devices.
It will not be activated unless explicitly permitted by the user.

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## Privacy Policy

* This app does not collect any personal information.
* It does not use complex permissions such as network communication, account information, contact information, or location information.
* All settings within the app (such as whether to enable or disable flash) are stored only on the user's device.

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## Google Play Policy Compliance Notice

This app complies with the following:

* Privacy Policy
* Limited use of camera permissions (for flash control)
* Clean, ad-free app
* No data transfer outside the device
* No third-party SDKs

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# ✔ "Short Description" Recommendation

<br>A strong and weak beat metronome for accurate tempo practice. Supports flash, sound, and BPM adjustment.<br>