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Flacbox Guide: Settings

Updated: 4 days ago

On this screen, you can access the application settings and upgrade it to the Premium version.

evermusic settings screen

Upgrade to Premium: upgrade the application to the Premium version to remove all limits. The free version of the application offers one-lifetime in-app purchase and two subscription options that allow you to remove all restrictions and upgrade to the Premium version. Also, please keep in mind that Family Sharing is enabled for all purchases and plans, so you can share the Premium version with members of your family.

Sharing Purchases Between iOS and Mac:

Please keep in mind that lifetime purchases and subscriptions are shared between iOS and Mac, using iCloud to sync this information. If you have the premium version on your iOS device, please ensure you have the latest version installed and that iCloud is enabled. Start the app on iOS and wait one minute for your purchase information to upload to iCloud.

You can also try pressing the "Restore Purchases" button in the app settings. Afterward, install the latest app version from the App Store on your Mac and start the app. Ensure you have an internet connection and are using the same iCloud and App Store account on your Mac that you used on your iOS device. Wait one minute for the app to download purchase info from iCloud. The premium version should activate on your Mac automatically.

Restore on a New Device:

To restore your purchase on the new device just use the "Restore purchases" menu. You will see the list of your purchases. If you don't see all your purchases please check if the device is connected to the same iTunes account that was used to make purchases, and make sure iCloud is enabled.

evermusic upgrade to premium screen

You can read more about the differences between Flacbox and Flacbox premium [here]:

What’s new: see what is new in the updated application. This menu item is visible only after an update.

Audio Player Settings

Here, you'll find various sections:

audio player settings menu

General - These settings cover the fundamental aspects of the audio player, including the playback queue, audio output, and saving the player's state. Available options:

Repeat Mode: This setting lets you choose how the audio player behaves when a track finishes playing. You can select from various options:

"Repeat all" – This replays all the tracks in your queue.

"Repeat one" – It repeats only the current track.

"Repeat Stop" – This pauses playback when the current track ends.

"Repeat None" – It allows your queue to play through without repeating.

Shuffle Mode: This option randomizes the order of tracks in your queue, creating a new sequence for playback. You can turn it "Shuffle off" or "Shuffle on."

Audio Codec: You can change the audio codec used for playing tracks in the application. Your choices include:

"System codec + FFMPEG" – This prioritizes the system's audio codec where possible, enhancing compatibility and stability during playback. Note that pitch correction and audio output sample rate adjustments may not be available.

"FFMPEG" – This forces the use of the FFMPEG codec for all audio files, allowing you to tweak pitch correction and audio output sample rate.

general player settings screen

Audio Output Sample Rate: Adjust the audio output sample rate to optimize sound quality. This feature is useful if you have an external DAC (Digital-to-Analog Converter) connected to your device. You can pick values like "44.1 KHz," "48 KHz," "64 KHz," "88.2 KHz," or "96 KHz."

Audio Output Number of Channels: If you're using a multichannel audio system with an external DAC, this setting allows you to specify the number of channels. Options include "Mono," "Stereo," "Center, Left, Right," "Center, Left, Right, Surround," "ITU BS.775-1," "5.1 Surround," and "SDDS."

Audio Output Mode (iOS Only): This feature is exclusive to iOS and enables you to configure an audio output mixed mode. It allows audio from the app to blend seamlessly with other applications. Detailed instructions can be found [here].

Save Playback Position: This option ensures that the application saves and restores the playback position for songs in your music library.

Save Audio Player State: When enabled, this feature preserves your audio player's state before you close the app. This makes it easy to pick up where you left off. To continue playback, tap the "Continue Playback" button located at the top of the screen when you re-open the app. You can also restore playback for individual files by tapping on the specific track.

Personalization: This section allows you to personalize the appearance and controls of the audio player screen, main screen, lock screen, status bar during audio playback, and skip time controls.

personalization settings screen

Song Loading: During the song loading process, you can adjust the network type used by the application to fetch songs. You can choose between "Wi-Fi" or "Wi-Fi and Cellular data." Additionally, you can set a "Preloading time" to buffer the audio. Increasing this value can help if you have a poor network connection.

Audio Equalizer: This section is where you can customize the audio equalizer settings.

Playback Speed: Adjust the playback speed of the audio player to your liking.

playback speed screen

Pitch Correction: change pitch correction settings using the predefined values. You can also switch between predefined values and precise mode by tapping the button in the top right corner.

crossfade playback screen

Audio Player Cache: Songs in the audio player queue are automatically downloaded to ensure smooth playback. If you manually download audio files, you can disable this option to avoid duplicates. You can also configure the audio player cache size here.

audio player cache settings screen

Sleep Timer: Activate a timer to automatically stop playback after a specified period. This feature can be handy when you want to listen to music as you fall asleep.

sleep timer settings screen

Music library

Your music library settings like automatic sync, metadata reading, loading of album artworks, playlists are located here.

music library settings

Metadata Synchronization: When you add tracks to your library, the metadata reader gets to work. This background process reads all metadata from your tracks and organizes them by Artist, Album, Genre, and Composer. You have the flexibility to adjust the speed of metadata reading to load data faster, but be aware that this may use more energy. You can also disable the metadata reader and display file names instead of tag information.

Importantly, the metadata reader only updates metadata in your music library and does not alter the files stored in your cloud account or local storage. If you wish to edit metadata for audio files, you can do so using the built-in tags editor, which you can activate from the corresponding action in the options menu.

When the background synchronization checkbox is checked, the metadata reader works in background mode. However, please note that if the application consumes significant energy in the background during audio playback, the iOS operating system may suspend the app.

So, if you have a large music collection, it's advisable to use the desktop version of the application for metadata synchronization. You can then use the data backup and restore feature to transfer the synchronized music library from the desktop, which is available in app settings. The 'Reload metadata' action will flag all files in your music library as having missing metadata, triggering the metadata reader to refresh the metadata for every file in your music library.

Metadata Synchronization

Online Music Synchronization: Automatic online music sync allows you to add tracks to your library automatically. To activate this feature, head to music library settings and select sync folders.

Online Music Synchronization

With this option enabled, the application scans all selected folders, identifies supported audio files, and seamlessly integrates them into your library. You can start or stop synchronization by tapping on the corresponding menu action.

synchronized online filders selection screen

Online music synchronization operates exclusively when the app is in the foreground, which means synchronization may take some time. To speed up the process, leave your app open, connect it to a power source, and enable 'Screen' -> 'Always active' option in application settings.

Alternatively, you can perform online music synchronization on the desktop version of the app and transfer the music library to the iOS version using the data backup restore feature. You can also set how often you want to synchronize your online music library. If you set it to "immediately," online sync will start every time you open the application.

online synchronization time interval

Offline Music Synchronization: This option scans all local folders located in the application's Documents directory to find supported audio files. All these local files are seamlessly added to your music library. Local files located on your device but not within this application must be added to the music library manually, as the app does not have access to files located outside the application Documents directory, as restricted by iOS/MacOS security. It is advisable to periodically initiate offline music synchronization to keep your music library updated with your local files.

Offline Music Synchronization

Personalization: In this section, you can configure the music library screen style to suit your preferences. Three options are available: Plain menu, Grouped menu, Tabbed menu.


Album Covers: Here, you can enable the search for album covers on the internet, as well as search for artwork inside your music folders. You can also choose the quality of album covers stored on your device and manage your cached album covers.

Album Covers Settings Screen

Playlists: You can enable the option to add the same song to a playlist twice. By default, this option is disabled.

Playlists Settings

Recents: Within recents settings, you can delete the list of recently played songs.

Recents Settings

Favorites: In the favorites settings, you can enable simultaneous editing of favorites. When this option is enabled, a song will be added to the favorites list in the music library and in the files section simultaneously. You can also delete the list of favorite songs in this section.

Favorites Settings

Delete music library: This action will erase the music library database, but it will leave your music files untouched.


Activates the password protection screen if you want to protect your application data.

evermusic passcode screen

File manager

Download files: Choose your network preference when downloading files to your device.

Background downloads: You can enable downloads even when the app is running in the background. Please be aware that if this operation consumes a significant amount of energy, the operating system may suspend the app.

Number of active downloads: Set the number of parallel download threads. Choosing a higher number will speed up file downloads but may require extra battery power.

Save downloaded files to: Define your default downloads directory or opt to be prompted every time to choose where to save files.

Offline folders synchronization: Select the time interval for synchronizing offline folders. If you choose "Immediately," offline folders will be synchronized every time you open the application.

Show full filenames: Activate this option if you need to view complete filenames, including extensions, in the file manager.

Enable editing online files: You can disable online file editing and switch to a read-only mode for connected cloud services to prevent accidental file deletions. This action removes file editing operations from the user interface.

Copy files during import: Specify how the app should handle imported files from other applications.

Thumbnails for files: Clear generated file thumbnails to free up storage space.

Cache folder: Clear the application's cache folder to reclaim storage space.

evermusic file manager settings screen

Audio tags editor

In this section, you can configure the built-in audio tags editor.

evermusic audio tags editor settings screen

Automatically update file's metadata on a cloud service: You can enable this option, and the application will automatically update the file's metadata on a cloud server after you've finished editing it.

Edit online files: You can choose whether the application should delete the downloaded file after you've finished editing the online file on a cloud server.


In this section you can activate WiFi Drive feature which allows you to transfer files from computer to this device using a desktop web browser. We have detailed instruction about how to use Wi-Fi Drive [here].

evermusic wi-fi drive settings screen


In this section, you can customize the user interface settings to suit your preferences.

evermusic personalization screen

Color scheme: Customize the user interface theme and enable dark mode here. When the default option is selected, the application will adapt its color scheme based on your device's appearance settings.

Background style: Modify the background style of the application. Currently, the only available option is "Blurred album cover." When enabled, a blurred album cover image will serve as the application's background.

Number of items per page: By default, the application uses pagination to speed up content loading. However, you can opt to disable this feature, allowing the application to load all available data at once.

Local files screen style: Tailor the presentation style for the "Local files" section to your preference.

Music library screen style: Customize the style of the "Music library" screen to suit your taste.

Audio player screen style: Configure the style of the "Audio player" screen to match your preferences.


In this section, you have the option to customize whether the screen should stay active while you're using the application.


In this section, you can activate text mode for the application, which hides all images. This feature is automatically enabled when VoiceOver is active.


In this section, you can change the application language and override the default system settings.

evermusic language screen

Backup & restore

Use this feature to backup all your application data or migrate it to another device.

evermusic backup and restore screen

You can choose which data you want to migrate:

Database: All your tracks in the music library, including playlists. Offline tracks will not backup to optimize backup file size.

Album Artwork: All your cached album covers.

Settings: All your application settings.

To start the backup operation, just tap the "Backup Application Data" button. Application data will be backed up to a file, and you can use it in the future to restore the application state on a new device or after reinstalling the application.

If you need to restore application data on a new device, move the backup file from this device to the new device using a connected cloud service or iCloud and open it on the new device.

Legal Notices

This section contains information about all the libraries and app version details used in the application.

Privacy Policy

Visit the privacy policy page to understand our data handling practices. Please read it before using the application.

evermusic privacy policy screen

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Share this application with your friends and spread the word.

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Send Feedback

Have feedback or need assistance? Send your feedback to our support team.


Access the application guide for assistance and guidance on using the app effectively.

Frequently Asked Questions

Find answers to common questions in the FAQ section.

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