# Moss: Baby Sleep Tracker — Wake windows, built by a nurse > Baby sleep tracker that learns and predicts naps and wake windows. (iPhone/iPad app by aric ollah.) - Source: https://appshunter.io/ios/app/moss-baby-sleep-tracker/id6761710485 (this page in markdown: same URL + `.md`) - Developer: [aric ollah](https://appshunter.io/developer/1891015629) - Category: Health & Fitness, Medical - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 53 MB - Languages: American English - Released: 2026-05-28 - Data updated: 2026-08-02 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/moss-baby-sleep-tracker/id6761710485/reviews.md ## What is Moss? Stop guessing when your baby will sleep. Moss learns your baby’s natural rhythm and tells you what’s likely next — naps, wake windows, and recurring night wakes. Built by a CVICU nurse — and a dad who got tired of guessing at 3am. No rigid schedules. No overwhelming charts. No strict sleep training. Just one-tap logging and gentle, age-aware heads-ups based on your baby’s real patterns — not a textbook average. The more you use Moss, the better it understands your specific baby. It learns from recent history and adapts automatically as routines shift. What Moss does: • Log naps, feeds, diapers, and solids in a single tap • Predict likely nap windows and recurring night wakes from real patterns • Adapt projections automatically as your baby grows • See sleep and routine trends across days and weeks • Import daycare reports to keep the day consistent • Export and back up your data on-device — no account required Moss Premium unlocks advanced sleep insights, adaptive schedule projections, deeper trend analysis, coaching alerts, and daycare sync. A calmer way to understand your baby’s routine — clarity, not noise. Privacy Policy: https://heymoss.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Predicts nap windows and night wakes - One-tap logging for naps, feeds, diapers - Adapts projections as baby grows - Tracks sleep and routine trends - Imports daycare reports - Exports and backs up data on-device ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Moss Premium Monthly | $5.99 | per month | | Moss Premium Annual | $49.99 | per year | ## Frequently asked questions about Moss ### What is Moss? Moss is a baby sleep tracker that learns your baby's natural rhythm to predict naps, wake windows, and recurring night wakes. It offers one-tap logging for various baby activities and adapts its projections as your baby grows. ### Does Moss have ads? No, Moss does not contain advertisements. The app is free to download and use, with optional premium features available through subscription. ### What are the subscription options for Moss Premium? Moss Premium offers two subscription plans: Monthly at $5.99 per month and Annual at $49.99 per year. Both plans include a 14-day free trial. ### What features are included in Moss Premium? Moss Premium unlocks advanced sleep insights, adaptive schedule projections, deeper trend analysis, coaching alerts, and daycare sync. These features provide more in-depth understanding and customization of your baby's routine. ### Can I export my baby's data from Moss? Yes, Moss allows you to export and back up your data directly on your device. This feature does not require an account and ensures your baby's routine information is securely stored. ### How accurate are Moss's predictions? Moss learns from your baby's real patterns, not textbook averages, to provide predictions. The more you use the app for logging, the better it understands and adapts to your specific baby's evolving routine. ### What devices is Moss compatible with? Moss is available for iPhone, iPad, and iPod. The app is designed to be accessible across Apple's mobile device ecosystem. ### How often is Moss updated? The latest version of Moss, 1.0.5, was released on June 17, 2026. Updates typically include improvements to features, performance, and bug fixes to enhance the user experience. ## Version history (last 5 releases) ### 1.0.6 — 2026-07-29 Minor improvements and refinements ### 1.0.5 — 2026-06-17 Moss 1.0.5 improves sleep prediction stability and adds clearer overnight insight tools. What's new: • Steadier night-waking and overnight predictions as Moss learns each night • New overnight insight view for a clearer picture of how the night went • Smoother subscription and restore experience • Performance improvements and small fixes throughout Moss keeps learning your baby's natural patterns — the more you log, the better it gets. If Moss is helping your nights, a quick rating means a lot. ### 1.0.4 — 2026-06-09 Moss 1.0.4 improves sleep prediction stability and adds clearer overnight insight tools. What’s new: - Improved overnight wake predictions so estimates stay anchored to recent night patterns instead of drifting when the app is reopened. - Added a Night Wake Timing graph in Premium Insights to show exact overnight wake times across recent nights. - Added overdue nap actions in Coach: Try Later and Skip Nap. - Improved nap schedule recalculation after skipped or delayed naps while protecting bedtime. - Fixed first nap prediction drift so the next nap estimate better matches the wake-window progress bar. - Cleaned up timeline labeling and several small sleep-guidance edge cases. ### 1.0.3 — 2026-06-02 What's New in 1.0.3 - Improved Premium purchase handling and added clearer subscription details. ### 1.0.2 — 2026-06-01 What's New in 1.0.2 - Added a new walkthrough step for the bottom logging buttons. - Clarified that tapping Diaper logs wet by default, and long-pressing lets you choose wet, dirty, or both. - Cleaned up the Now screen so live logging stays focused. - Updated the Android notification icon so Moss notifications look like Moss. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-02.*