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.
Contraction Monitor is designed for pregnancy mums to track contractions
$0.99 · 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 Contraction Monitor Pro: 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 data visualization options for tracking progress
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Basic functionality without customization
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.
Contraction Monitor is designed for pregnancy mums to track contractions. Regular contraction is an importance sign of labor, when that big time is approaching, duration of contraction becomes longer and stronger, frequency becomes shorter. And contractions will show their laws when true labor is coming, so keep tracking contractions will help you distinguish true labor from ‘false’ labor. Graph of contraction duration and frequency makes it easy for you to see the tendency of contractions. The operation is very easy, just press the button when contraction starts and press the button again when it ends, Contraction Monitor will log the start time, end time, duration and frequency and intensity of this contraction. Features: ⁃ Log start time, end time, duration, frequency and intensity of contractions. ⁃ Analyze contractions by chart and histogram. ⁃ Calculate the average duration and frequency of latest three, five, ten and all contractions. ⁃ Add note to each contraction. ⁃ Share your contraction data with your doctor or friends by email. ⁃ Continue contraction where you left off in the condition that you make a call or play other apps while logging contraction. ⁃ Calculate your delivery due date, show days remaining to your due date and days passed from your last menstrual period. ⁃ Contact module for you to add your labor contacts, you can call them conveniently by one touch if your baby is coming when you are logging contractions. ⁃ Passcode function to protect your info. ⁃ Supports Touch ID or Face ID as passcode. ⁃ Support edit function for contraction logs. ⁃ Support migrate data from free version. ⁃ No ads. ⁃ Supports Apple Watch version. ⁃ Support both iPhone and iPad version. If you have any questions or suggestion, please mail to [email protected].
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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.