Sleep Fan

Name: Sleep Fan
Rating: 3.59 (4109 reviews)
Author: Yappy, LLC

Yappy, LLC

★ 3.6 (4,109 ratings)

⬇ 500,000+ downloads

Est. actual: 708,542

Free

Released: May 10, 2013

IAP: $0.99 - $14.99 per item

Contains ads

Signals

4 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +118 installs — 17% slower than the week before (+142) · 14/day since Oct 8
🏆Among Lifestyle apps top 6% by installs gained this week (575 peers growing)
⭐Rating steady at ★ 3.59 since Oct 8
🛠Updates quiet · updated 105 days ago

Installs since launch

+419 installs · 0 ratings since Oct 8

Update history

5.2.5 Jul 28, 2026 · seen Oct 17, 2026

Only the current version so far — new entries appear as the app ships updates.

Sleep Fan is a lifestyle app by Yappy, LLC with 500,000+ downloads (about 709K estimated). +118 installs in the last 7 days. Rated 3.6 from 4.1K ratings. Released May 10, 2013. Install growth, rank history, SDKs and ad networks.

From the store listing: “Sleep Fan helps you to sleep smoothly.”