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
Sydney Transport: Bus & Rail
Sydney Transport — Your Smarter Way Around Sydney
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
305 ratings · Top 5%
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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Combine features and design from your favorite apps.
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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 included18 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 Sydney Transport: Bus & Rail: 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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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
Enhance onboarding experience with tutorials or walkthroughs.
Assumption to check: Users report confusion with route planning features
Validate with people who use this workflow before building.
Hypothesis 2
Implement more reliable data sources or alerts for users.
Assumption to check: Real-time updates can be inaccurate
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to personalize notifications and display settings.
Assumption to check: Limited customization for user preferences
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance and stability, especially with real-time data.
Assumption to check: Occasional app crashes during heavy usage
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
Sydney Transport — Your Smarter Way Around Sydney Get real-time bus, train, ferry, and light rail updates across Sydney — all in one simple, reliable app designed for everyday travellers. “Sydney Transport makes commuting so much easier. The live times are spot on, and I can see exactly when my train or ferry is arriving.” Why Sydneysiders love Sydney Transport: • Live Transport for NSW bus, train, ferry, and light rail tracking • Stop and departure alerts • Smart trip planner with step-by-step directions • Live and offline route maps • One-tap “Get Me Home” journeys • Customisable widgets for quick access Never miss your stop again — with Get Off Alerts, Sydney Transport lets you relax and know exactly when it’s time to hop off. Track your bus, train, or ferry in real time, check crowding levels, and stay up to date with service alerts and delays. Whether you’re heading to work in the CBD, catching the ferry to Manly, or riding the Metro home, Sydney Transport keeps you connected and on time. Coverage Includes: • Sydney Trains and NSW TrainLink Intercity Services • Sydney Metro • Transport for NSW Buses • Sydney Ferries • Inner West and CBD Light Rail • Real-time service alerts, detours, and maintenance updates Plan trips, check live arrivals, and save your favourite stops — all in one app built for Sydney’s entire transport network. -------- What is Sydney Transport? Sydney Transport is a real-time public transport app for Sydney. It shows live bus, train, ferry, and light rail times, plus service alerts and trip planning. Does it work with Transport for NSW? Yes — Sydney Transport includes all Transport for NSW services, including Sydney Trains, Metro, ferries, and buses. Does it include Sydney Metro and Light Rail? Absolutely. You can see live train and tram times for the Sydney Metro and both Light Rail lines. Can I check ferry departures? Yes — Sydney Transport includes real-time Sydney Ferries data, with live tracking and alerts for delays or cancellations. Does it show service alerts and delays? Yes — you’ll receive live notifications about delays, detours, and planned maintenance. Can I use the app offline? Yes — offline maps and saved timetables let you plan ahead even without mobile data. Will it tell me when to get off? Yes. “Get Off Alerts” use GPS to notify you before your stop. Is Sydney Transport free? Yes — it’s free to download and use, with optional premium features and widgets available via in-app purchase. How do I contact support? Email [email protected] or message @trymomego on X (Twitter). -------- Travel smarter with Sydney Transport — your all-in-one app for trains, buses, ferries, and light rail. Download now and get real-time maps, live departures, and service alerts for Sydney and beyond. Privacy Policy: travelwhiz.app/privacy Terms of Use: travelwhiz.app/terms
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
Axios
React Navigation
Zustand
React Native Maps
BUILD KIT DIFFICULTY
Advanced
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.
