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.
App Overview
Ottawa-Carleton Transpo
Embark on a seamless and stress-free public transit journey in Ottawa with OC Transpo, an app designed to revolutionize your daily commute
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Ottawa-Carleton Transpo: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement more reliable data sources and real-time updates.
Assumption to check: Users often complain about inaccurate real-time data.
Validate with people who use this workflow before building.
Hypothesis 2
Focus on a clean, minimal design with easy navigation.
Assumption to check: Navigation apps can be cluttered and hard to use.
Validate with people who use this workflow before building.
Hypothesis 3
Add offline map features for users without data.
Assumption to check: Limited offline functionality.
Validate with people who use this workflow before building.
Hypothesis 4
Provide clear explanations and benefits of in-app purchases.
Assumption to check: In-app purchase confusion.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Embark on a seamless and stress-free public transit journey in Ottawa with OC Transpo, an app designed to revolutionize your daily commute. Say goodbye to uncertainty and hello to efficiency, whether you're a daily commuter, a student, or a tourist exploring the capital city of Canada. Real-Time Bus Schedules: Access up-to-the-minute bus schedules for every stop in Ottawa. Know exactly when your bus will arrive and plan your day without guesswork. Interactive Map View: Explore Ottawa's extensive bus network through an intuitive map interface. View bus stops, routes, and real-time bus locations on an easy-to-navigate map. Accessible Design: Experience a user-friendly interface with accessible features, ensuring a seamless experience for all users. Stay Informed: Eliminate the uncertainty in public transit. Always know your next bus's arrival time. Time-Saving: Save valuable time with efficient route planning and real-time updates. User-Centric: Designed with user experience in mind – simple, intuitive, and feature-rich.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
MapView
React Navigation
Axios
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
