← SleepJournal · All launch news
Launch announcement
SleepJournal Launched on the App Store on September 14, 2026
App Store launch:
Page added . This is a record of the launch for our news archive, not a press release issued at the time. The date is the App Store’s first public release date for SleepJournal.
SleepJournal (listed on the App Store as Sleep-Journal), a private sleep journal that logs your nights and shows your own trends, became available for iPhone on the Apple App Store on September 14, 2026. It is made by Sun Engineering LLC.
What SleepJournal does
- Logs bedtime, wake time, sleep quality and daily factors (caffeine, stress, exercise, screen time).
- Shows your own trends and helps with bedtime routines.
- No microphone, no wearable, no cloud, no ads.
- Private on the device, and works offline after activation.
Pricing
SleepJournal requires a subscription: $0.99 per month or $9.99 per year.
Availability
App Store (iPhone). The app is also available on Google Play for Android.
- App Store: https://apps.apple.com/us/app/sleep-journal/id6785271454
- Google Play: https://play.google.com/store/apps/details?id=com.sunengineering.sleepjournal
- Google Play launch news: Google Play launch, September 14, 2026
- More information: https://sunnyengineer.com/SleepJournal/
About Sun Engineering LLC
Sun Engineering LLC is an independent developer of privacy-minded apps for travelers, readers and families.
Contact: Henk de Swardt, Sun Engineering LLC — https://sunnyengineer.com
