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.
OVERVIEW
$1.99 · 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 Footsteps Pedometer: 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: Accuracy of step counting can vary significantly between users.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited features for social interaction and motivation.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Premium features are not clearly defined, leading to confusion.
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.
OVERVIEW Footsteps is an advanced pedometer counting steps and calories burned as you walk or run. It's easy to use, works when in your pocket, hand or a case. It doesn't require any special belt although works great when you use one. Works in background (don't forget to start Footsteps after you turn on your iPhone/iPod). Works with Apple Watch. FEATURES - Records steps, duration, distance and calories burned - Displays current speed, pace and calorie burn - Works in background - Works with Apple Watch - Optional integration with the Health App - Displays counts for walking and running as well as total counts - Nine color schemes to choose from including high contrast B&W - Dark mode support - Timer pauses automatically when no activity is detected - Pacer helps you maintain the desired speed and intensity. It also gives you information about calories burned per hour as you maintain this speed - Distance chime - Advanced algorithm calculating calories burned - Screen lock - Configurable step length for walking and running separately (check our website for step length calculators) - Configurable units of measurement both English and Metric - History & Graphs modules - Allows to share your workout sessions by email, SMS, Facebook & Twitter - On iPhones turns the screen off to save battery when close to the body, in the pocket or case WORKOUTS Your activity can be grouped into workouts. You decide when to start, pause, reset and save your workout. You can also turn off workouts completely and let Footsteps capture your steps whenever the app is running (Settings -> Use Workouts switch to OFF). HISTORY History module lets you browse your activity grouped by months, weeks, days or by the workouts. You can add, edit or delete any of it or share it by Email (with CSV attachment), SMS, Twitter or Facebook. THE APPLE HEALTH APP INTEGRATION You can set up Footsteps to provide steps, active calories and distance data to the Health App/Activity App. Footsteps can also synchronize weight with the Health App. APPLE WATCH You can use Apple watch with Footsteps, the activity recorded by it is transferred to Footsteps. The app can also contribute to Activity Rings If you turn on Health Kit integration. HELP Footsteps has a built-in help system with FAQ section, also feel free to contact our support, we'll be glad to help you. (from within Footsteps tap Help, then Feedback and send us an email explaining the problem).
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.