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.
Watch to 5K helps you build up to running 5K in just 9 weeks
$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 Watch to 5K-Couch to 5km coach: 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 workout customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases may be unclear
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Occasional syncing issues with health data
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social features
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.
Watch to 5K helps you build up to running 5K in just 9 weeks. It’s designed for absolute beginners and runs entirely on your Apple Watch, so you can leave your phone at home. The plan includes three runs per week with a rest day between, and a new schedule each week. By the end of the program, you’ll be able to run continuously for 30 minutes. BUILT FOR THE APPLE WATCH • Runs independently without the need for your iPhone. • Watch face complications are included allowing you to monitor your progress and quickly launch the app. PHONE COMPANION APP • An iPhone companion app is included to allow you to track your progress. • View a breakdown of your previous runs, including health data and run route. • Achievements are awarded as you progress through the plan to celebrate milestones such as running continuously for 5 minutes or running for a certain distance. APPLE HEALTH INTEGRATION • Sessions are stored in Apple Health and count towards your activity goals. • Watch to 5K tracks your route, distance, calories, average speed and heart rate so you can easily track your progress. • Supports outdoors or indoor runs. LISTEN TO YOUR MUSIC WHILE YOU RUN • Works alongside your preferred music player or podcast watch app, automatically ‘dipping’ the volumes so you can hear the instructions and updates on your progress. • Signals the halfway point, so you know when to head home! • Easy to follow countdown timer that uses sounds and haptics, so you know how long you’ve got left of each run. GO AT YOUR OWN PACE • Ability to repeat runs, allowing you to go at a pace that suits you. • Start the plan from any week. Perfect if you are coming to Watch to 5K from a different plan/app. • After completing the 5K plan, challenge yourself with the available 10K expansion plan. NO SUBSCRIPTION REQUIRED • Watch to 5K is a one time purchase with no ongoing subscriptions. FEATURED ON * TechRadar - Top Apple Watch app of 2024 * * MacRumors - Apps to Check Out * * Stuff.tv - 40 best Apple Watch apps * * Coach - The Best Apple Watch Fitness apps * * Wareable - The Best Apple Watch running apps * Watch to 5K integrates with Apple Health using HealthKit to store your run activity. If you have any questions, comments or ideas, you can get in touch at [email protected]
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.