App Overview

TfL Go: Plan, Pay, Travel icon

TfL Go: Plan, Pay, Travel

TfL · Navigation

Travel confidently around London with Transport for London's official app, built around our iconic live Tube map

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
12,028 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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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 TfL Go: Plan, Pay, Travel: 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 full offline maps and journey planning feature.

Assumption to check: Limited offline functionality in navigation apps

Validate with people who use this workflow before building.

Hypothesis 2

Design a more user-friendly onboarding process with tutorials.

Assumption to check: Confusing user interface for new users

Validate with people who use this workflow before building.

Hypothesis 3

Optimize app performance and reliability with better error handling.

Assumption to check: Frequent crashes or slow performance

Validate with people who use this workflow before building.

Hypothesis 4

Provide clearer information on subscription benefits and pricing.

Assumption to check: In-app purchases can be unclear

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

Travel confidently around London with Transport for London's official app, built around our iconic live Tube map. Try switching to step-free mode and watch the map adjust to show only accessible stations, ensuring your journeys are as smooth as possible. With a clear, user-friendly design, TfL Go is easy for everyone to use. Find the Best Route We'll suggest multiple ways to get to your destination, whether by Tube, London Overground, Elizabeth line, DLR, Tram, National Rail, London Cable Car, or even cycling and walking. You choose the route that suits you best. Check Before You Travel Get live arrival times for Buses, Tube, London Overground, Elizabeth Line, DLR, Tram, and National Rail. Check the live status of all TfL lines and stations directly on the map, or view a summary of current disruptions in the "Status" section. Freedom to Explore Find travel options tailored to your needs, including step-free journeys and routes avoiding stairs or escalators. Journey plans automatically adapt to the accessibility status of stations, helping you avoid disruptions. TfL Go also supports VoiceOver and Dynamic Type, making it more accessible for everyone. Manage Your Payments Create an account or log in to manage your payments for travel across London. Top up pay as you go credit or purchase Travelcards for your Oyster card, and view your journey history for both Oyster and contactless cards registered to your account. Note: Oyster and contactless accounts can only be accessed within UK/Europe. Understand Station Facilities Check how busy a station is right now, or see if it has toilets or Wi-Fi access. Find detailed information about step-free access and interchanges including platform gap width, step height and boarding methods available. What People Are Saying: "...a surprisingly phenomenal app for commuters travelling via public transport in London!" "One of the finest transport apps there is, well thought out, well designed and well executed." "The most accurate app in London for bus times" "Fantastic app if only just to have a live Tube map / bus tracker in your pocket at all times!" "TfL Go is your number one stop for live tube and bus arrivals" Get in Touch Any questions, feedback or something we've missed? Email us at [email protected]

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
react-navigation
axios
react-native-maps
redux
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.