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
THROO - Ride Hailing
Throo is a ride-hailing app that provides a fairer service to both drivers and riders
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 3.9
43 ratings · Top 50%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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/
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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 THROO - Ride Hailing: 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
Implement a real-time driver tracking system and increase driver onboarding.
Assumption to check: Limited driver availability in some areas
Validate with people who use this workflow before building.
Hypothesis 2
Optimize backend infrastructure for scalability.
Assumption to check: Inconsistent app performance under high load
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a carpooling feature for cost-effective rides.
Assumption to check: Lack of ride-sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Enhance messaging capabilities between drivers and passengers.
Assumption to check: Poor in-app communication features
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
Throo is a ride-hailing app that provides a fairer service to both drivers and riders. A smarter way through the city. Built for the way people move, Throo takes special care of your needs during peak hours and across a wider service area, so you get a stress-free ride whenever and wherever you need one. GET A RIDE WITH ZERO STRESS Throo matches you with a driver fast, using smart matching technology. You're paired with a driver who arrives sooner and delivers a high-quality, safe ride. ENJOY VARIOUS RIDE CHOICES Throo presents you with various ride choices for every trip — Saver, XL, and Premium rides. IN A HURRY? MATCH FASTER Throo offers faster pickup when you're racing to your destination. Super easy steps to start riding: Step 1. Download the Throo app, sign up, and book a ride. Step 2. Enjoy a safe, comfortable ride all the way through. — By downloading the app, you agree to the following: (i) to receive communications from Throo, including push notifications; and (ii) to allow Throo to collect your device's language settings. You may opt out of receiving push notifications through your device settings.
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
Supabase
React Navigation
Axios
React Native Maps
BUILD KIT DIFFICULTY
Expert
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.
