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.
Game Maps IRL: Mappr turns real-world navigation into a game-inspired mission.
Free · 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 Game Maps IRL: Mappr: map the core Navigation 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: Uses too much data
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Voice directions unclear
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Slow route recalculation
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.
Game Maps IRL: Mappr turns real-world navigation into a game-inspired mission. Choose cinematic map styles, follow live routes, save favorite places, and explore real streets with a minimap-inspired GPS experience. Instead of using a standard map, Mappr lets you navigate your city with a more visual, playful, and adventurous feel. Use Mappr for daily drives, city walks, road trips, or exploring somewhere new. Open the app, choose a style, and make every route feel like part of a mission. Features: - CarPlay Support: follow mission-style navigation on compatible CarPlay displays while driving. - Missions: turn everyday routes into mission-style navigation. - Minimap-Inspired Maps: view real streets through game-inspired map themes. - Real-Time Navigation: follow your route live with GPS guidance. - Turn-by-Turn Directions: get clear instructions while walking or driving. - Bookmarks: save favorite places and quickly return to them later. - Map Styles: choose from multiple artistic themes built for real-world maps. - Trips: record your routes to view your statistics like top speed, total distance, route preview, left/right turns, time spent and more. Mappr is made for gamers, explorers, drivers, and anyone who wants maps to feel more alive. Navigate real streets with a fresh, cinematic look designed for everyday use. Disclaimer: Mappr is an independent and unofficial application. Mappr is not affiliated with, endorsed by, sponsored by, or connected to any gaming company, publisher, developer, console brand, or game franchise. All styles are original artistic designs inspired only by broad game-map aesthetics. Some features may require in-app purchases or subscriptions. Subscriptions can be managed by the user, and auto-renewal can be turned off in the user’s Account Settings after purchase. Contact: [email protected] Privacy Policy: https://gamemappr.com/privacy-policy Terms of Service: https://gamemappr.com/terms-of-service
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.