App Overview

OBubba: Baby Sleep Tracker icon

OBubba: Baby Sleep Tracker

OLife Labs Limited · Medical

Like having a baby sleep consultant in your pocket.

Free

PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.7
80 ratings · Top 15%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included16 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for OBubba: Baby Sleep Tracker: map the core Medical workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Like having a baby sleep consultant in your pocket. OBubba predicts your baby's naps and bedtime from their own rhythm, works out why last night went the way it did, and gives you one thing to change tonight. Then it checks whether it worked. Sleep never happens on its own, so OBubba is also your all-in-one baby tracker for feeds, weaning, teething, milestones, development waves and growth. It uses all of it to understand your baby's sleep. A sore tooth, a new food, a growth spurt or a wave coming up are all part of the picture. One app instead of five. THE SLEEP PROBLEMS OBUBBA WORKS ON • Night wakes, and what is actually driving them • Short naps that never lengthen • Early rising before 6am • Bedtime battles and false starts • Split nights, when a baby is wide awake at 2am • Overtired and undertired days, told apart • Wake windows that no longer fit • Nap transitions, 3 to 2 and 2 to 1 • Sleep regressions and developmental waves LIKE A SLEEP CONSULTANT, ON YOUR SCHEDULE • Nap and bedtime predictions that learn your baby, not an age chart • A daily nap schedule that adjusts as the day unfolds • Gentle sleep coaching plans, including night weaning, at your pace • Night-wake patterns, sleep trends and shareable reports • Ask Luna, OBubba's warm AI parenting friend, about sleep, feeds or development at any hour EVERYTHING ELSE THAT CHANGES SLEEP • Feeding: breast, bottle, pumping and solids, with one-tap logs and timers • Weaning: first foods and allergen guidance • Teething: log each new tooth and see sore nights in context • Milestones and development waves, with age-right activities • Growth tracking, diapers and medicine logs PREGNANCY, MADE MAGICAL Follow all 40 weeks with weekly baby stories, size comparisons, preparation tools, kick and contraction counters, checklists and keepsakes. SHARE CARE Keep partners, grandparents, carers and daycares in the loop with BubbaCare handovers, shared updates and clear summaries. MADE FOR TIRED PARENTS Day and night modes, large clear controls and a calm design make 3am logging quick and kind. OBubba Premium adds deeper sleep guidance, personal rhythm insights, trends, reports, sharing, weaning tools, memory book features and more. OBubba is not medical advice and does not diagnose or treat health or sleep conditions. Always speak to your midwife, pediatrician, doctor or qualified professional for medical concerns. No ads. No selling your data. Just a softer way to keep the day together. Subscription terms: Auto-renewable subscriptions renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID at purchase confirmation. Manage or cancel anytime in App Store account settings. Lifetime is a one-time purchase. Privacy Policy: https://obubba.com/privacy Terms of Use: https://obubba.com/terms

Written user reviews are not shown here. Check current App Store reviews >

Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement charts for better insights into sleep and feeding patterns.

Assumption to check: Limited data visualization for baby activities

Validate with people who use this workflow before building.

Hypothesis 2

Add push notifications for reminders to log activities.

Assumption to check: No reminders for tracking entries

Validate with people who use this workflow before building.

Hypothesis 3

Include options to share progress with family and friends.

Assumption to check: Lack of social sharing features

Validate with people who use this workflow before building.

Hypothesis 4

Simplify onboarding process with guided tours.

Assumption to check: Overwhelming for new users

Validate with people who use this workflow before building.

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
Zustand
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.