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.
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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 MapCred: Your Life, on the Map: map the core Travel 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 social features for sharing experiences.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Map loading times can be slow with many markers.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User onboarding process is unclear.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited customization for experience entries.
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.
Looking for a way to see where you spend your time and make the most of every day? MapCred is here to help! With MapCred, you can visualize your daily movements and create a personalized heatmap of your life. MapCred runs efficiently in the background to journal your location as you travel and go about your day. Whether you're at home, work, or on the go, MapCred tracks your movements to give you a better understanding of how you spend your time. But that's not all – MapCred also lets you compete with friends on Game Center leaderboards. Show off your map mastery and see who's got the most time on their hands. Capture territory in the new "Loops" mini-game. Compete in "Speed Run" to see who can stay above 50mph the longest (no bus required). With MapCred, you can: - Automatically see your travels in vivid colors on a personalized map - Learn more about your own travel habits and make adjustments to your routine - Compete with friends and dominate the world on Game Center leaderboards - Import workout routes recorded on your smartwatch or fitness tracker (compatible with devices that sync with Apple Health) - Import GPX files from other apps or devices to fill in missing trips - Capture territory in the new "Loops" mini-game and earn points for your map mastery - Compete in "Speed Run" to see who can stay above 50mph the longest - Export your heatmap in industry-standard GPX or CSV formats to share with friends or use with other apps - Backup and restore data using CSV files for easy data management and storage Don't waste another minute wondering how you spend your time. Download MapCred and take control of your day. PRIVACY With MapCred, your personal map is kept private and secure. All location data is stored locally on your iPhone or iPad, and if you choose to use Game Center, only your scores are shared – never your location. MapCred uses location in the background to update your map, but your data is never shared with anyone else.
Written user reviews are not shown here. Check current App Store reviews >
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.