App Overview

Curb - Request & Pay for Taxis icon

Curb - Request & Pay for Taxis

Curb Mobility, LLC · Travel

Hail a taxi – right from your phone

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
135,493 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.

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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 included18 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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Curb - Request & Pay for Taxis: 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 real-time driver tracking and availability updates.

Assumption to check: Users often face issues with ride availability in certain areas.

Validate with people who use this workflow before building.

Hypothesis 2

Enhance payment reliability with multiple payment gateways.

Assumption to check: In-app payment failures can lead to user frustration.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the UI for adding/removing payment methods.

Assumption to check: Users report difficulty in managing payment methods.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize ride request algorithms to reduce wait times.

Assumption to check: Long wait times for driver assignment in busy areas.

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

Hail a taxi – right from your phone. Curb provides millions of rides per year with the tap of a button. – Curb App Benefits – CONVENIENT Curb connects to more than 100,000 drivers in nearly every major metro area in the U.S. and is currently available nationwide including New York City, Boston, Philadelphia, Chicago, Los Angeles, San Francisco, Las Vegas, Miami and Washington, DC. Ride your way, choosing from Taxis, Wheelchair-Accessible Vehicles, or the new Select* option. Simply enter your destination to receive Upfront Pricing** for all available vehicle options, choose your ride, and pay automatically once your trip is complete. SAFE Curb works only with professional drivers. Every time you ride with Curb, you’ll ride with a fully licensed, insured driver. We know you have places to be! Get live updates on the status of your ride request so you can plan accordingly. FLEXIBLE There are 3 easy ways to ride using Curb*: Ride Now: Request a ride for immediate pickup Ride Later: Schedule a ride for pickup up to 48 hours in advance Pair & Pay: Hail a taxi on the street or at the airport and contactlessly pay from the app. Give $5, Get $5! Share your personal referral code with friends or have them scan your app QR code to give them $5 off their first ride. You’ll also get $5 once they book! Applicable on Curb booked trips only. Follow us on Instagram at https://www.instagram.com/gocurb/ and on Twitter at https://twitter.com/gocurb. Questions? Send your questions, feedback or suggestions to [email protected]. *Curb app services may vary by region. Check the app to see what is available in your city. **Upfront Pricing fares are automatically calculated for your trip based on time and distance. They include an estimate of tolls and applicable government-mandated taxes/surcharges based on the estimated route. Any tip amount is applied at the end of the ride and is not included in the Upfront Pricing fare. The fare may be adjusted at the end of the trip for actual taxes/surcharges, tolls and tip incurred. Available in NYC, Washington D.C., Boston, Philadelphia, Chicago, Miami and Las Vegas.

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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
Zustand
Axios
React Navigation
Expo Location
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.