Fönster: Wake Window Tracker
iOS app by Next Epic Co., Ltd.. Health & Fitness · Next Epic Co., Ltd.
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1.0
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
At 3am you don't want a dashboard. You want one answer: when should they sleep next? Fönster calculates the next sleep window instantly — from age and your own logs, the age range as the frame. Didn't fall asleep? One tap recalculates a new window on the spot. No rigid sleep schedule to set up — the wake window is the schedule, tuned to your baby's own bedtime rhythm. A baby tracker that answers instead of asking. No forms. No waiting days. ON YOUR LOCK SCREEN The next window sits on your lock screen and home screen — you don't even open the app. The countdown updates itself, and when the other parent starts a sleep, your widget says who did it. No notification. Nothing that wakes anyone. BUILT FOR TWO Invite the other parent with a link — no account needed. You see the same log instantly, and either of you can start and end a sleep without "another user" errors. The second carer is always included at no extra cost. Nan can have read-only mode. YOUR DATA IS YOURS Everything lives on your phone first. Export (CSV) works even without a subscription. We never hold old data hostage. No accounts, no ads, no tracking. LOG ONE-HANDED Sleep, breastfeeding or bottle, nappies and naps with big buttons, in dark mode — built for nights. Logging is free forever — sleep, feeds, nappies, sharing and export. What you pay for is the calculation: the next sleep window and the recalculation when they don’t settle. We work that out free for your first three days after you install. After those three days it becomes a subscription: £69.99/year or £7.99/month. If you choose the yearly plan, Apple gives you a free week before the first charge. Fönster gives general guidance from age and your own logs. It is not medical advice — talk to your health visitor if you are worried. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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