# Lupibu: Baby Sleep Tracker — Naps, feeding & wake windows > Baby sleep, feeding, and activity tracker with AI-powered predictions and logging. (iPhone/iPad app by Azat Sariyev.) - Source: https://appshunter.io/ios/app/lupibu-baby-sleep-tracker/id6758586869 (this page in markdown: same URL + `.md`) - Developer: [Azat Sariyev](https://appshunter.io/developer/1852424953) - Category: Health & Fitness, Lifestyle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 12+ - Requires: iOS 16.4 · 110 MB - Languages: American English, Kazakh, Russian - Released: 2026-04-22 - Data updated: 2026-11-09 - Monetization: subscription ## What is Lupibu? Know when your baby needs their next nap, and keep feedings, diaper changes and sleep in one calm log. NEXT NAP, PREDICTED Lupibu shows when to put your baby down next and the window to aim for, and learns your baby's own rhythm. AN ASSISTANT THAT READS YOUR LOG Ask "Why did she wake up at 1 a.m.?" or "When was her last vaccine?" and get an answer built from your baby's own entries. Log by typing or speaking: "Nursed on the left side for 15 minutes" becomes an entry with the side and the duration filled in. RHYTHM AT A GLANCE Wake-up time, bedtime and the awake window, with the whole week on one timeline. Share a PDF sleep report with your pediatrician or sleep consultant. ONE-TAP LOGGING Tiles for sleep, breastfeeding (left and right side), bottle, food, diapers, walks, doctor visits, medications, vaccinations, symptoms, massage and custom events. Add a note or a photo to any entry. WIDGETS Start and stop the sleep timer from the Home Screen widget, and see the countdown to the next nap on your Lock Screen. BUILT FOR 3 A.M. Dark mode. Entries save offline and sync when you're back online. Optional reminders before the next sleep window, never between 9 p.m. and 7 a.m. UP TO FOUR CHILDREN Switch between children with one tap. Each has their own log, predictions and history. Your data stays yours: no ads, and we never sell it. --- SUBSCRIPTION DETAILS Lupibu requires a Lupibu Pro subscription, which includes sleep predictions, the AI assistant and the Rhythm tab. New subscribers get a 7-day free trial on either plan. - Lupibu Pro Monthly — $7.99 per month - Lupibu Pro Annual — $59.99 per year (37% less than paying monthly) Prices are in U.S. dollars; the App Store shows the price in your currency before you subscribe. Payment will be charged to your Apple ID at the confirmation of purchase. Subscription automatically renews for the same price and duration period as the original subscription until it is canceled at least 24 hours before the end of the current period. The account will be charged for renewal within 24 hours prior to the end of the current period at the cost of the chosen package. You can manage and cancel subscriptions in your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use (EULA): https://lupibu.com/legal.html?doc=terms&lang=en Privacy Policy: https://lupibu.com/legal.html?doc=privacy&lang=en ## Key features - Predicts next nap time - AI-powered log analysis - One-tap logging for various events - Customizable event logging - Home Screen and Lock Screen widgets - Offline data saving and syncing - Support for multiple children ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Lupibu Pro | $7.99 | per month | | Lupibu Pro (Annual) | $59.99 | per year | | Lupibu Pro (Annual) | $59.99 | per year | | Lupibu Pro | $6.99 | per month | ## Is Lupibu safe? Not enough ratings yet to assess Lupibu. ## Is Lupibu legit? Lupibu: Baby Sleep Tracker has limited verification signals. The AppsHunter Legitimacy Score for Lupibu is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about Lupibu ### What is Lupibu? Lupibu is a baby sleep tracker that helps parents log naps, feedings, diaper changes, and other important baby events. It offers AI-powered predictions for the next nap and provides insights into your baby's rhythm. ### How does Lupibu predict nap times? Lupibu learns your baby's unique sleep patterns and awake windows to predict when they will need their next nap. This feature is part of the Lupibu Pro subscription. ### Can I ask Lupibu questions about my baby's history? Yes, the AI assistant within Lupibu can answer questions based on your logged data, such as 'When was her last vaccine?' or 'Why did she wake up at 1 a.m.?' This is a Pro feature. ### What subscription plans does Lupibu offer? Lupibu offers monthly and annual subscription plans for Lupibu Pro, which unlocks features like sleep predictions and the AI assistant. New subscribers receive a 7-day free trial. ### How much does Lupibu Pro cost? Lupibu Pro Monthly costs $7.99 per month, and Lupibu Pro Annual costs $59.99 per year. Prices are shown in your local currency before subscribing. ### How do I manage or cancel my Lupibu subscription? You can manage and cancel your subscription through your App Store account settings after purchase. Subscriptions automatically renew unless canceled at least 24 hours before the current period ends. ### Does Lupibu have ads? No, Lupibu is ad-free. The developers state that your data stays yours and is never sold, and the app does not contain advertisements. ### Is Lupibu available on Android devices? Based on the provided data, Lupibu is currently supported on iPhones. Information regarding Android availability is not specified. ## Version history (last 5 releases) ### 2.6.0 — 2026-11-07 • Logging is quicker: see the typical sleep for your baby's age when you log by hand, and pick foods you've given before in one tap • AI chat (formerly Assistant) is easier to use with one hand, and if you mention a concerning symptom, a highlighted card shows what to do next • Suggestions now show up one at a time above the tabs, and you can set quiet hours on the Reminders screen • Night sleep no longer gets cut short at a pause: after a long pause, the app asks when your baby actually woke up ### 2.5.3 — 2026-11-02 • Make the Home tab your own: tap "Edit Home" under the tiles, arrange them the way you like, and move the ones you don't use into More • Each child gets their own three buttons at the bottom of the medium widget. Set them in Settings → Widget (iOS 17 or later) • If a sleep timer is left running, we stop it after 16 hours and send you a notification so you can fix the time • In "Recent entries," anything from yesterday is grouped under "Yesterday," and the gear icon at the top left opens Settings Have an idea or run into a problem? Let us know through the "We're always here" card at the bottom of the Home tab. ### 2.5.2 — 2026-10-29 • Lupibu no longer gets stuck on the loading screen after you restart your iPhone • Changes to a breastfeeding, walk, or sleep entry now save, even if you open it right after stopping the timer Have an idea or a problem? Tell us from the "We're always here" card at the bottom of the Home tab. ### 2.5.1 — 2026-10-28 • A new Reminders section in Settings: next feeding, wind-down, and timers left running - you decide when they go off • You can once again log bottles, diapers, and medications up to 24 hours in advance • Logging a bottle starts with the amount from last time, and logging a medication with the same name and dose • The bear on the Home tab comes to life: it falls asleep, wakes up, and points to the Log button when the last sleep isn't logged Have an idea or a problem? Tell us from the "We're always here" card at the bottom of the Home tab. ### 2.5.0 — 2026-10-27 • The sleep card shows when to put your baby down: "Put down for a nap 2:30–3:30 PM" • History by day, and Rhythm for the last 7 days with a PDF report for your pediatrician • Start nursing right from the widget • The ⇄ button switches between your children in one tap • The sleep timer no longer counts pauses, and the widget's sleep button stays put Have an idea or a problem? Tell us from the "We're always here" card at the bottom of Home. ## Apps similar to Lupibu | App | Rating | Price | Category | | --- | --- | --- | --- | | [BabyDone: Baby Activities](https://appshunter.io/ios/app/babydone-baby-activities/id6770622579) | — | Free | Health & Fitness | | [Кормление и сон новорожденного](https://appshunter.io/ios/app/id6801820269) | — | Free | Health & Fitness | | [Harmony Baby Tracker](https://appshunter.io/ios/app/harmony-baby-tracker/id6739345266) | 5.0 (5) | Free | Health & Fitness | | [MalishOK](https://appshunter.io/ios/app/malishok/id6792515269) | 5.0 (1) | Free | Health & Fitness | | [Magerly: Milestone Tracker](https://appshunter.io/ios/app/magerly-milestone-tracker/id6738126809) | 5.0 (1) | Free | Health & Fitness | | [Baby Sleep Tracker: Kip](https://appshunter.io/ios/app/baby-sleep-tracker-kip/id6786982792) | 5.0 (1) | Free | Health & Fitness | --- *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 2026-11-09.*