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Name Change

Sleep Slip is now Snollo

Same private, on-device sleep tracker for iPhone and Apple Watch. Same snore detection. Same zero-server privacy. Just a new name.

Download Snollo Free on the App Store

iPhone · iOS 17+ · No account required

What Changed, What Didn't

What changed

  • App name: Sleep Slip → Snollo
  • Website: sleep-slip.app → snollo.com
  • App Store display name updated

What didn't change

  • On-device CoreML snore detection
  • Apple Watch sleep stage tracking
  • iCloud-only private storage
  • No account, no servers
  • App Store ID: 6752620925 (same app)
  • Free tier with core features

From the Snollo blog

Guide

REM, Deep, and Light Sleep — What Each Stage Does and How to Get More

A 5-minute primer on the four sleep stages. What REM, Deep, and Light sleep each do for your brain and body, how much of each you should get, and how to track them on iPhone or Apple Watch.

Guide

How Accurate Is Apple Watch Sleep Tracking? (What the Research Shows)

Apple Watch identifies light sleep with 86% sensitivity, REM with 82%, and deep sleep with 50–62% compared to polysomnography. Here's what the peer-reviewed research actually says — and what it means for your data.

Guide

Why You're Still Tired After 8 Hours of Sleep (And How to See What's Actually Happening Tonight)

Eight hours in bed isn't the same as eight hours of restorative sleep. Here are the seven evidence-based reasons you wake up exhausted — and how to collect your own sleep data tonight, privately, without a clinic visit.

Frequently Asked Questions

Is Sleep Slip the same as Snollo?
Yes. Sleep Slip is the former name of Snollo. The app was renamed to Snollo to better reflect its focus on sleep and snoring analysis. The App Store URL still contains "sleep-slip" as a legacy slug, but the app is identical — same on-device privacy, same Apple Watch integration, same snore detection.
What happened to the Sleep Slip app?
Sleep Slip was renamed to Snollo. No features were removed; the rebrand was a name change only. If you downloaded Sleep Slip, you'll see the updated app name in your App Store updates — it's the same app with the same App Store ID (6752620925).
Where can I download Snollo (formerly Sleep Slip)?
Snollo (formerly Sleep Slip) is available free on the App Store. Search for "Snollo" in the App Store or use the button above.

Ready to try Snollo?

On-device snore detection. Apple Watch sleep stages. iCloud-only storage. Free to download.

Download Snollo Free

Formerly Sleep Slip · App Store ID 6752620925 · No account required