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.
Want to get fit and feel fantastic? Want to add some fresh air to your exercise? Then Get Running with the best Couch to 5k App!
$2.99 · 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 Get Running: 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 variety can lead to user boredom
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Some users find the voice cues hard to hear
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited progress tracking features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing
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.
Want to get fit and feel fantastic? Want to add some fresh air to your exercise? Then Get Running with the best Couch to 5k App! With three enjoyable workouts a week, in nine weeks you will be running continuously for half an hour, even if getting off the couch is a struggle today! Get Running breaks through the “beginning barrier” with its enormously popular Couch to 5k running plan. In week one’s workouts you'll alternate one minute of running with 90 seconds of walking. With each new week, Get Running’s human voice coach gradually builds up your pace, until you’re running for a whole half-hour! Get Running is the only Couch to 5K App that: • Coaches like a human – with hundreds of studio-recorded progress and encouragement prompts. • Supports and encourages you – talk with fellow running rookies on the Get Running forum. • Lets you share (NEW!) – share Get Running with up to three other runners: you all get your own log and settings! • Helps you plan – rest days help you recover, and Get Running knows the best day for your next run. • Displays your next move – the unique Run Clock, customised for each workout, gives complete visibility and understanding. In addition, Get Running: • Works with or without music. Or listen to podcasts and audio books. • Fits your schedule – just three workouts a week of 20 to 30 minutes. • Logs your achievements – with an illuminating visual record of your progress. Thousands of people have changed their lives with Get Running and you will too! Whether you’re running for your health, training for a 5K, or building to conquer a marathon — Get Running! Get Running's users say: • Just finished week 9 run 3 and all I can say is this app changed my life. Great job. • I LOVE your app. I have tried several but Yours is the BEST for me. I am 60 years young this year & a cancer survivor. I have set the goal to run 5 K races. I use your program as my trainer, it is SUPER. Thank You. – Vickie Wheeler by email • I tried the top selling "Couch to 5k" App before I purchased this one, and this one is much nicer to use. The voice reminders are very helpful. I like how it pauses your music instead of talking over it. I highly recommend it over the others. • Thank you so much for this little gem of an app. I had a look at others like it but this wins hands down. It is so brilliantly simple with a great interface. • Thank you! This app has changed my life. I was unfit and didn't do any regular exercise. I always blamed my asthma for being the reason I couldn't run for longer than a minute, but now I know it's because I was unfit! I have signed up for a 5k race too! – @amyriddett on Twitter • Really great app. I'm actually looking forward to running. I listen to podcasts and this app is terrific at pausing the show to make it's announcements. I don't miss anything that was said. Outstanding.
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.