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
Lyft Driver
WHY LYFT?
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
376,802 ratings · Top 15%
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 included19 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 Lyft Driver: map the core Business 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 more intuitive bottom tab navigation.
Assumption to check: Difficult to navigate between multiple features quickly
Validate with people who use this workflow before building.
Hypothesis 2
Provide real-time notifications for ride requests and updates.
Assumption to check: Inconsistent ride request notifications
Validate with people who use this workflow before building.
Hypothesis 3
Offer a more detailed earnings summary feature.
Assumption to check: Lack of detailed earnings breakdown
Validate with people who use this workflow before building.
Hypothesis 4
Allow customization of driver settings and preferences.
Assumption to check: Limited support for driver preferences
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
WHY LYFT? Earn good money and meet great people. EARN FAST Get paid quickly with options to cash out instantly, daily, and weekly. Plus, earn bonuses, rewards, and keep 100% of rider tips. SEE YOUR PAY UPFRONT View earnings and trip details before accepting every ride. HIGHEST-RATED RIDERS Lyft has the best riders in town. They’re friendly, generous, and highly-rated. FLEXIBLE Earn money on your schedule. Choose where you drive—and where you don’t—with location filters. GET 24/7 SUPPORT With on-demand help and safety features, you can hit the road with peace of mind. APPLE CARPLAY Lyft Maps connects to your in-car system so your directions, ride details, and music are all in one place. GET STARTED Apply today to start earning with Lyft. — Apple CarPlay is a trademark of Apple Inc. For Lyft drivers, continued use of GPS running in the background can dramatically decrease battery life. By downloading the app, you agree (i) to receive communications from Lyft, including push notifications; and (ii) to allow Lyft to collect your device's language settings. You can opt out of receiving push notifications through your device settings. You may see a different experience in select cities. If Upfront Pay is not available in your city, then you will be paid for each minute and mile of the trips you complete, based on your city’s per-minute and per-mile rates. Upfront Pay is not available in Washington state, New York City, Portland or Toronto.
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
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zustand
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.
