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.
Run Tracker is a GPS based tracking app for people who want to keep track of their running fitness goals
$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 Run Tracker - GPS Fitness Tracking for Runners: 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 types, primarily focused on running.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social features for sharing runs or competing with friends.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Basic analytics without deep insights on performance.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No integration with wearables for real-time data.
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.
Run Tracker is a GPS based tracking app for people who want to keep track of their running fitness goals. PEBBLE SMARTWATCH Run Tracker connects with your Pebble to show you time, distance, and pace on your wrist without making you get your phone out. STATS AND MAPS Run Tracker tracks speed, distance, altitude, and time. It also gives you a map showing where you have been while you are saving a run. COLOR CODED When viewing saved runs your route shows up on the map color coded by speed. It shows where you went the fastest (red) and where you were slowest (blue). VOICE SUMMARY Don't want to look at the screen every few minutes? You can have the app tell you updates on your progress either every mile or every five minutes. PAUSE AND RESUME Pause the workout to catch your breath or chat with a friend and then resume when you get back to it. FACEBOOK Share your workout with your friends on Facebook with our easy to use integration. LARGE DISPLAY You can easily see your stats in real time with your current speed being the focal point. VIEW TIME PERIODS See the stats for the last run, last week, current month, or all time with the touch of a button as well as the ability to choose a specific track. MAP TYPES You can switch between 3 different map types including street, hybrid, and satellite view. UNITS The supports both standard and metric units. Note: Continued use of the GPS will reduce battery life.
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.