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.
The 2021 Dunstan Baby Language app reveals the 5 secret universal sounds every newborn makes BEFORE they cry
$4.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Dunstan Baby: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited sound interpretation accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of community features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No offline functionality
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription fatigue due to multiple tiers
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
The 2021 Dunstan Baby Language app reveals the 5 secret universal sounds every newborn makes BEFORE they cry. This basic introduction will enable you to quickly identify what your baby’s specific cries mean to help you settle your infant. Used and recommended by infant care professionals in over 32 countries - including sleep and lactation consultants, nurses, midwives, paediatricians, naturopathic practitioners, doctors, infant massage practitioners and many others. The invaluable benefits available to you, your family and your newborn baby are simply “Life-changing”, as Oprah Winfrey declared. Benefits for baby and you: • Less Crying - up to 70% less • More Sleep - up to 50% more • Better Bonding - significantly faster attachment and connection • Assists Breastfeeding - improves latching on and spitting up issues • Helps establish a Routine - the holy grail is a predictable, gentle routine that follows the needs of your baby The Dunstan App features: - 5 Videos, multiple crying examples for each sound - Tips on identifying visual cues - Practice game with scores to improve your skills - NEW Journal - record and learn your baby’s specific cries; records their routine - Quick check of sounds-only - Links to find instructors in your country or region Since 2006, DBL has helped many millions of new parents to better care for the wellbeing and happiness of their new baby. Learn how to quickly and confidently calm your baby ~ and solve some of the most frustrating problems that interfere with you providing the care and nurturing your baby deserves. The Dunstan Baby App provides the perfect introduction to understanding your baby’s needs. It is a great first step to becoming a more confident new parent. The next step for new mothers and fathers is taking a class with an accredited DBL educator. This face-to-face workshop will expand your knowledge and increase your ability to deal with your newborn baby’s needs. Getting hands-on help will help increase your ability to recognise the 5 universal cries under all circumstances, and further develop your skills and confidence. Book a personal consultation. Search our website directory for info. The most beneficial time for parents to learn their infant's special sounds is during pregnancy, up to when the baby is about 4-5 months old. First introduced to a global audience of 50 million on the Oprah Winfrey Show in 2006, Dunstan Baby Language has already helped tens of millions of new mothers and fathers tune in to their babies. Oprah said “I LOVE this! ... For millions of sleep-deprived mothers around the world, this could be life-changing!”
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.