639 Player Plus

In-app purchases
1+
Downloads
Content rating
Everyone
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About this app

639 Player Plus: Experience Music in Perfect Harmony

Rediscover your music with 639 Player Plus, the ultimate music player that transforms your listening experience by automatically retuning your favorite tracks to the soothing frequency of 639 Hz. Effortlessly enhance your connection with your music while saving time, money, and storage—no need to convert files manually!

Key Features:
+ Automatic Retuning

Listen to your entire music library retuned to 639 Hz, seamlessly and instantly. Skip the hassle of converting songs or wasting device space—just press play.
+ Custom Playlists

Create your own personalized playlists with ease. Add songs in bulk and organize your favorite tracks in seconds.
+ Sleep Timer

Drift off to your favorite tunes with the countdown "sleep" timer. Set it, relax, and let the app stop the music when the timer ends.
+ Android & Android Auto Support

Take your music anywhere—on your phone or in your car. 639 Player Plus is designed to fit seamlessly into your lifestyle.
+ Playback Control

Enjoy full control of playback modes: Shuffle, Normal, Repeat One, and Repeat All, for a tailored listening experience.
Unlock the Power of Solfeggio Frequencies

Go beyond 639 Hz! Access additional Solfeggio frequencies to explore the healing power of sound and experience music like never before (in app purchase required).

Your Music, Retuned for the Soul.
Download 639 Player Plus today and transform the way you listen to your favorite songs.
Updated on
Jan 31, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

639 Player Plus enables you to listen to music stored on your device in 639 Hz tuning.

Stop listening to music tuned at 440 Hz and begin listening to all of your music tuned to 639 Hz.

Once purchased and installed on your device you can listen to any song stored on your device in 639 Hz tuning.

No ads. No subscriptions. No tracking.

App support

About the developer
SYQEL INC
hi@syqel.com
14030 County Road 3606 Brownsboro, TX 75756 United States
+1 415-335-3748

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