Slo: Sleep Sounds, Brown Noise icon

Slo: Sleep Sounds, Brown Noise

Melted Butter
★ 4.1 (551 ratings)
⬇ 10,000+ downloads
Est. actual: 48,493
Free
Released: Jun 3, 2024
IAP: $3.99 - $39.99 per item
Contains ads
Rated: Everyone

Signals

4 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +1.1K installs — 15% slower than the week before (+1.3K) · 132/day since Sep 29
  • 🏆Among Health & Fitness apps top 1% by installs gained this week (263 peers growing)
  • ⭐Rating steady at ★ 4.12 since Sep 29
  • 🛠Updates actively updated · updated 10 days ago · every ~7 days (6 updates tracked)
Installs since launch
0 24K 48K 48K Jun 3, 2024 today
+5,017 installs · +51 ratings since Sep 29
Update history
3.135.13 Nov 4, 2026 · seen Nov 6, 2026
Bug fixes and improvements.
3.135.8 Oct 27, 2026
Bug fixes and improvements.
3.135.2 Oct 14, 2026 · seen Oct 17, 2026
Home and Library have a new layout. Swipe between sound categories and your saved items. Filter sounds for sleep, focus, relaxation, or your baby. Edit the sounds in a mix while keeping your sleep timer.
3.133.6 Oct 5, 2026
Bug fixes and improvements.
3.133.5 Sep 30, 2026
Bug fixes and improvements.
3.133.3 Sep 29, 2026
Bug fixes and improvements.
Slo: Sleep Sounds, Brown Noise screenshotSlo: Sleep Sounds, Brown Noise screenshotSlo: Sleep Sounds, Brown Noise screenshot

Slo: Sleep Sounds, Brown Noise is a health & fitness app by Melted Butter with 10,000+ downloads (about 48K estimated). +1.1K installs in the last 7 days. Rated 4.1 from 551 ratings. Released Jun 3, 2024. Install growth, rank history, SDKs and ad networks.

From the store listing: “Slo is a brown noise and sleep sounds app with 150+ curated sounds for sleep, focus, and relaxation. Play deep brown noise on its own, or mix it with rain, waves, and fan sounds — each layer with its own volume — and set a sleep timer that stops playback automatically. Key features • Brown noise – deep, low-frequency…”