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.
Turn every run into a receipt worth keeping.
$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.
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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 Run Receipt: 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 tracking options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent user experience and interface design
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited analytics on performance and progress
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Low engagement due to 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.
Turn every run into a receipt worth keeping. Run Receipt turns your running records into receipt-style keepsakes you can save and share. Distance, pace, duration, heart rate, rhythm and route come together on one clean sheet of paper, giving familiar workout data a lighter and more personal way to be remembered. It keeps more than numbers. It keeps the moment of a run — a starting point, a route, and the feeling of that day. A morning run, a night run, a route from a trip, an ordinary training session — every run can become a receipt you can look back on and share. Every receipt is printed in the Studio: switch between a long receipt with the full picture and a short one built around your route or a photo, decide what each receipt keeps, add your signature, and share it right there — all in one place. Running here isn't about proving how strong you are; it's about recognizing your own patterns. Rather than results, comparison and competition, Run Receipt wants running to come back to everyday life and feel closer to you. It makes your running records easier to keep, easier to share and easier to remember. Features: • Turn your running data into a receipt unlike anyone else's — each one signed with a coach-style line chosen by distance and intensity, and the same run always gets the same line • Two receipt styles: a long one with the full details and three charts, and a short one led by your route or a photo • Five ways to print a route: 3D, ASCII character map, pace trend, elevation profile, and City Print — a city basemap screened into halftone dots, your route laid down dot by dot in three Riso inks • The Studio handles printing, editing, signing and sharing in one place: still image, Live Photo or a short video with the printing animation; a 3:4 crop for the short receipt; one-tap subject cut-out with five print-style filters; and you decide which charts each long receipt shows • ARCHIVE: every week of running is filed onto its own paper — trend bars, last-week comparison, average heart rate, intensity mix, a run-by-run table — flip through the stack, tap to share • Runner Passport: a foldable 3D credential holding your profile, portrait and signature; the heart rate zones in your profile drive how each run's intensity is judged • Five Home Screen widgets: your last run, this week's distance, this month's streak, your next training session, and a running line that changes every four hours • Five Lock Screen widgets: this week, today (two layouts), streak and year distance — preview every widget in the app before adding it • A library that files every run by month, marks where it came from, and handles duplicates for you • Clearly shows the key numbers — distance, pace, duration, heart rate and route — in kilometers or miles, Celsius or Fahrenheit • Local first: parsing, rendering, compositing and export all happen on your device. No run database, no uploaded training history • Seven languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French and German Run Receipt currently imports running data from Apple Health, Strava and activity files (GPX, FIT, TCX). Runs from Garmin, COROS and Suunto come in as GPX — export from the watch app and pick Run Receipt in the share sheet, or paste the export link; there's a step-by-step guide in the app. More platforms and wearables are coming over time. Run Receipt wants movement to become part of your everyday story. One run. One receipt. Let running be part of your everyday life. Feedback and support: [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.