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Lucas: Baby Tracker & Log

Lucas: Baby Tracker & Log

Feeding, Sleep, Diaper, Growth

1 ratings
1 review
🌟 Lifestyle
💪 Health & Fitness
$4.99 Free
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Details

  • Released
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Developer

Bryan Gutierrez
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Lucas: Baby Tracker & Log screenshot #1 for iPhone
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About

Effortlessly track your baby's feeding, sleep, diaper changes, growth, and medical information. This app provides a comprehensive log designed for real-life use, with offline capabilities and secure sharing options for caregivers and pediatricians.

✓Track feedings, sleep, and diapers
✓Monitor growth with WHO/CDC charts
✓Log immunizations and medical appointments
✓Offline-first functionality
✓Share logs with caregivers and pediatricians
✓Generate doctor-ready PDF reports
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What's New in Lucas

3.5.13

May 12, 2026

Critical fix: app no longer crashes on launch on iOS 26.4. • Fixed: launch crash caused by an over-strict migration plan that iOS 26.4.2 rejected. Removed the explicit plan; SwiftData handles migration automatically. • Sleep redesigned (from 3.5.6): Lucas suggests naps based on gaps between feeds — tap to log one and adjust the times before saving. No more silent records. • Reminders that actually fire: the next-feeding nudge refreshes after every save and every sync. • Faster sync: pending records push within 1 second of saving. • Crash recovery: a write-ahead log + auto-rebuild from server protects your data through any update or reinstall. • "Changes waiting to sync" banner so you know if everything is saved. • Spanish translations across the doctor portal.

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Subscription plans

Lucas Premium

Unlock every Lucas feature. Cancel anytime.

$4.991 Year
7 Days trial
How to cancel Lucas subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

La app que toda mamá necesita 💕

Soy mamá hace poquito y practico lactancia diferida. Antes anotaba extracciones, pañales y horarios en notas sueltas del celular — era un caos. Esta app me organizó la vida en serio.

Lo que más uso:
•⁠ ⁠El tracker de extracciones con lado y cantidad (clave para mantener la producción pareja)
•⁠ ⁠El widget en pantalla — de un vistazo sé cuándo toca la próxima

Sin publicidad, sin distracciones, súper intuitiva. Hecha por alguien que entendió de verdad lo que necesitamos las mamás. 5 estrellas sin pensarlo.
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Isa Lemos TIsa Lemos T

FAQ

What can I track with Lucas?

Lucas allows you to track a wide range of baby activities including feedings (breast, bottle, solids), sleep patterns, diaper changes, pumping sessions, growth measurements, immunizations, medications, and various medical appointments or conditions.

Does Lucas work offline?

Yes, Lucas is designed with an offline-first approach, meaning it functions seamlessly even without an internet connection, making it reliable in any situation.

Can I share my baby's data with others using Lucas?

Absolutely. You can invite caregivers like partners or nannies to sync logs in real-time. Additionally, you can connect with your pediatrician through their portal to share specific growth and medical records.

What are the benefits of Lucas Premium?

Lucas Premium unlocks advanced features such as detailed Insights, doctor-ready PDF reports, caregiver and pediatrician sharing capabilities, home and lock screen widgets, and the Apple Watch app for a more comprehensive tracking experience.

How much does Lucas Premium cost?

Lucas Premium is available as a subscription for $4.99 per year, with a 7-day free trial. Pricing is subject to local currency.

How do I cancel my Lucas Premium subscription?

You can manage or cancel your subscription at any time by navigating to your iPhone Settings, then Apple ID, and selecting Subscriptions. The subscription auto-renews unless canceled at least 24 hours before the current period ends.

Is my baby's data safe with Lucas?

Lucas prioritizes privacy. Your baby's data is yours and is never sold. Sign-in is end-to-end encrypted, and records sync securely over TLS 1.3, with no advertising trackers or third-party analytics on baby data.

What devices is Lucas available on?

Lucas is available on Apple Watch, iPhone, and iPad, offering a consistent experience across your Apple devices.