# Petit Louis: Baby Tracker — Sleep, Nursing & Feeding Log > Baby tracker for sleep, feeding, diapers, and nutrition with smart predictions. (iPhone/iPad app by Shauan Ferreira Leite.) - Source: https://appshunter.io/ios/app/petit-louis-baby-tracker/id6754668538 (this page in markdown: same URL + `.md`) - Developer: [Shauan Ferreira Leite](https://appshunter.io/developer/1849558397) - Category: Medical, Health & Fitness - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 47 MB - Languages: American English - Released: 2025-11-11 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/petit-louis-baby-tracker/id6754668538/reviews.md ## What is Petit Louis? The baby tracker that works as fast as your day moves. Track newborn sleep, feeding, diapers and nutrition in seconds — with smart nap predictions that learn your baby's rhythm. Designed for exhausted parents, not data nerds. DREAMWINDOW — SMART NAP PREDICTIONS Your baby's wake windows are unique. DreamWindow learns from every nap and predicts the ideal sleep window — so you stay one step ahead. Countdown to the next nap Adapts to your baby's real patterns Gets smarter every day Say goodbye to overtired meltdowns SNAP A MEAL. GET INSTANT NUTRITION. Point your camera at your baby's plate. Petit Louis identifies every food and logs calories, iron, calcium and more — instantly. No typing. No searching. No guessing. ONE-TAP BABY TRACKING Fast enough for 3AM. Bottle & formula tracking Breastfeeding with left/right timer Solid food logging Nap & night sleep tracking Wet & dirty diaper logging Your baby's entire day — one clean timeline. REAL-TIME CAREGIVER SYNC Mom, dad, grandparents, nanny — everyone sees the same data, instantly. No more "Did she eat?" texts. One baby. One shared timeline. Zero confusion. BABYAI — YOUR PERSONAL BABY ASSISTANT Ask anything about your baby's routine. Get answers from your actual data — not generic internet advice. SMART WEEKLY INSIGHTS Total feeding volume & frequency Sleep duration & quality trends Nap pattern analysis Diaper change tracking Routine consistency score Your baby's rhythm, decoded. PRIVATE. SECURE. AD-FREE. End-to-end encryption. No ads. Your data is never sold or shared. GDPR & COPPA compliant. Export or delete anytime. Built by tired parents who needed something better. Fast when you're sleep-deprived. Simple when your hands are full. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://petitlouis.netlify.app/privacy-policy @petitLouisApp ## Key features - Smart nap predictions - Instant food nutrition logging - One-tap baby tracking - Real-time caregiver sync - AI-powered baby assistant - Weekly routine insights ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/petit-louis-baby-tracker/id6754668538/reviews.md ### 5/5 — Incredibly helpful and organized *2025-12-09* This baby tracker changed my life. Strongly recommend it to all new parents! ### 5/5 — Great baby tracking app! *2025-12-04* I highly recommend using Petit Louis for tracking baby activities. I’m really enjoying the recommended nap time and the stats on trends! ### 5/5 — Amazing *2025-12-02* I downloaded six baby tracking apps last month, but this is the only one I kept. It’s fast, simple to use, and makes tracking so much easier. ## Frequently asked questions about Petit Louis ### What is Petit Louis? Petit Louis is a baby tracker app designed to help parents monitor their newborn's sleep, feeding, diapers, and nutrition. It features smart nap predictions and instant food logging to simplify daily care. ### Does Petit Louis have ads? No, Petit Louis is completely ad-free. The app prioritizes a clean and uninterrupted user experience for parents. ### How does Petit Louis predict naps? Petit Louis uses a feature called DreamWindow that learns from your baby's past naps to predict ideal wake windows and nap times. It adapts to your baby's unique rhythm to help prevent overtiredness. ### Can multiple caregivers use Petit Louis? Yes, Petit Louis offers real-time caregiver sync, allowing multiple family members or nannies to access and update the same baby's timeline instantly, ensuring everyone is on the same page. ### Is Petit Louis available on Android? Based on the provided data, Petit Louis is supported on iPhone, iPad, and iPod. Information regarding Android availability is not specified. ### How often is Petit Louis updated? The latest version of Petit Louis is 1.2.5, and it was last updated on February 10, 2026. This indicates a recent update, suggesting active development. ### What kind of insights does Petit Louis provide? Petit Louis offers smart weekly insights into your baby's feeding volume and frequency, sleep duration and quality trends, nap pattern analysis, diaper changes, and routine consistency. ### Is my baby's data safe with Petit Louis? Yes, Petit Louis emphasizes privacy and security with end-to-end encryption. The app is GDPR and COPPA compliant, and your data is never sold or shared. You can export or delete your data at any time. ## Version history (last 5 releases) ### 1.2.5 — 2026-02-10 Your hands are full. Now you can log everything by voice — just speak and it's done. We also added WHO growth charts so you can track percentiles at a glance, plus brand new Stats tabs with nutrition breakdowns and weekly insights. And the usual: squashed bugs, smoother performance, fewer rough edges. ### 1.2.4 — 2025-12-14 - DreamWindow improvements for more accurate nap timing - Sign in with Apple - Sign in with Google - Notifications - Baby Growth page - Updated Dark Mode - Bug fixes and performance improvements ### 1.2.3 — 2025-12-05 DreamWindow - Nap Prediction Know exactly when your baby is ready to sleep. No guessing, no second-guessing (improved calculation after running 67000 scenarios to calculate probablity) - Share your baby even faster now, one code multiple babies. - Dark mode - Email verification ### 1.2.1 — 2025-12-04 DreamWindow — Nap Prediction Know exactly when your baby is ready to sleep. No guessing, no second-guessing. Starts smart — Age-based sleep science from day one Learns your baby — Adapts to their unique rhythm, not averages Gets smarter — Accuracy improves with every nap logged Live countdown — See the next sleep window at a glance No charts. No overthinking. Just open the app and know when naptime is coming. ### 1.2.0 — 2025-12-02 DreamWindow Nap Prediction: Base wake window - Uses age-appropriate guidelines (e.g., 4-month-old = ~2 hour wake window) Learns from your baby - Tracks when you actually put baby down for naps and compares to predictions Adjusts over time - If your baby consistently sleeps earlier/later than predicted, it adjusts the baseline Confidence scoring - More nap data = higher accuracy percentage (starts low, improves with use) Shows countdown - Calculates: last wake time + adjusted wake window = predicted nap start The more naps you log, the more it "dials in" to your baby's unique rhythm. --- *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 2026-06-01.*