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.
Here come ComputeDistance, Displacement and Easy Navigation!
$1.99
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 Compute Distance Displacement: map the core Travel 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: Hidden fees revealed at checkout
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor customer support
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complicated booking process
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.
Here come ComputeDistance, Displacement and Easy Navigation! -auto set destination -measure distance and displacement between current location and destination -set point1 and point2 -measure distance and displacement between point1 and point2 -measure distance and displacement manually by entering latitude and longitude in the textfield. -Display current location place name, latitude and longitude. -Tap anywhere on map to retrieve place name, latitude and longitude. -Local search places display place name in table view along with latitude and longitude. -If you want to draw route, compute the distance (road travel) and displacement (air travel), marking coordinates and place name, pin annotation for outside plant work. -Bookmark favorite places for frequently used for one click navigation. -measure the distance (by road) or the displacement (shortest direct distance) between two locations. App Features -Display map and your current location, latitude, longitude, accuracy, altitude, Traveled walking distance, current place name and address. -Local search places near by. -Display search results annotation in map view. -Search places on earth or long press on map then tap pin to compute the distance from the current location. -Choose start and destination point latitude and longitude from the favourite places to compute the distance, ETA, Turn by turn navigation, and displacement. -Manually input latitude and longitude of the start and destination points to compute the distant. -Edit or load the starting point latitude and longitude. -Edit or load the destination point latitude and longitude. -Compute the new distance and displacement of any start and end point. -Navigate to destination using Apple map. How to use Search View -Open app, map displays all pins, display current address, latitude, longitude, accuracy, altitude, distance traveled. -Pan to move map. -Pinch map to zoom in, zoom out. -Tap on DistantTraveled label to zero distance and change map region to 100 m. -Tap on address label to toggle map type. -Tap on horizontal acc label to change map region to 2,500 km. -Tap Refresh button to display all pins. -Enter search key in WhereTo textfield and hit Search to search places and display pins. -Tap each pin to compute the distance from the current location. -Tap Folder button to view search result. -Tap Share button to share current location. -Tap Bookmark button to show the favourite places. -Tap + button to return to current location map view. Search Result -Tap on destination place name to calculate distance and displacement from current location to destination and ready to navigate. -Tap Back button to return to map search. Favorite places -Places display with coordinate latitude and longitude sorted in alphabetical order along with table index, easier to browse. -Tap on destination place to calculate distance and displacement from current location to destination and ready to navigate. -Tap key index to display places at the top of table view -Swipe left to delete. Distance View -Tap Save button to save the current destination point into favourite places. -Tap Start button to load the start point from favourite places. -Tap Dest button to load the destination from favourite places. -Tap Dist button to compute the distance, Estimated Time of Arrival (ETA) and displacement from start to dest point. -Tap TBT button to see the overview of the turn by turn navigation. -Edit latitude, longitude and place name to manually change the coordinates and name of the start and dest points. It can manually mark and compute distance or displacement between two end points along with visual route and pin name. -Tap Dist button to recompute dist, disp, ETA, and pins. Move around the map using pan, pinch, or double tap. -Tap Reset button to center map on the start and destination point. -Tap Place label to toggle map type. -Tap Go button to navigate using Apple Map. -Tap magnify glass to return to Search View.
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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.