
Solfeggio Sleep - Pure Solfe
528Hz Healing Sleep Sounds
0 ratings
Free
In-App Purchases
Rating summary
About
Take a break with sound and breathing before bed.
Pure Solfe is a relaxing sound app that combines Solfeggio frequencies, nature sounds, and breathing guides to create quiet time of your own.
Start with free 432Hz and wave sounds.
At the end of the day, while reading or working, or during meditation: choose sounds you enjoy and bring a little break into your day.
【5 routines to get started with ease】
Simply choose what suits your mood from Sleep, Meditation, Focus, Morning Reset, and Find Balance with Breathing. Presets combining frequencies, nature sounds, breathing guides, and more let you get started right away.
• Before bed: 432Hz and gentle waves
• For meditation: 528Hz, a campfire, and slow breathing
• For work or reading: 741Hz and rain
• For a morning moment: 528Hz and wind
【Your favorite sounds, just the way you like them】
Choose from 10 frequencies, including 432Hz and 528Hz, and 5 nature sounds: waves, wind, rain, storm, and campfire.
Layer your preferred nature sound over a frequency and adjust the volume balance. Choose the sound texture to match your mood: Immersive, with enveloping overtones, or Pure, with simple pure tones.
【A little break to focus on your breathing】
Choose a rhythm that suits you from 4 breathing guides.
• Relaxed breathing: inhale for 4 seconds, exhale for 6
• Equal breathing: inhale for 5 seconds, exhale for 5
• Box breathing: inhale, hold, exhale, and hold for 4 seconds each
• 4–7–8 breathing: inhale for 4 seconds, hold for 7, exhale for 8
On-screen movement, sound, and vibration guide your breathing rhythm. Patterns without breath holds are also available, so even beginners can start at a comfortable pace.
【Turn off the screen and keep listening】
Background playback lets you keep listening even with the screen off.
Set the sleep timer to 10, 20, 30, or 60 minutes to stop playback automatically at the selected time.
【Start free, then buy the features you need once】
432Hz and wave sounds are free to use.
In-app purchases unlock other frequencies and nature sounds, the sleep timer, continued use of breathing guides, and more.
Choose from Frequencies & Nature Sounds, Timer & Breathing, or the Full Set with all features. All three are one-time purchases, with no monthly or annual subscriptions.
Supports 8 languages, including Japanese.
Take a break today with 432Hz and wave sounds.
Note: Pure Solfe is intended for relaxation. It is not a medical device, is not intended for diagnosis or treatment, and does not guarantee any specific effects.
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What's New in Solfeggio Sleep
2.2.3
October 22, 2026
[Bug Fixes and Stability Improvements] - Made minor UI adjustments and performance improvements.
3
Subscriptions & In-App Purchases
$11.99
Full Set
Unlocking all features









