App Overview

RailsMaps icon

RailsMaps

Bartomiej Banasik · Travel

RailsMaps is built around regions — pick one, then explore the railway network the way you want

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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 included16 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 RailsMaps: 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 clean, organized search layout with clear calls-to-action.

Assumption to check: Users often find train search interfaces cluttered and confusing.

Validate with people who use this workflow before building.

Hypothesis 2

Streamline the booking flow with fewer steps and clearer instructions.

Assumption to check: In-app purchase processes can be cumbersome.

Validate with people who use this workflow before building.

Hypothesis 3

Incorporate machine learning to suggest trips based on user preferences.

Assumption to check: Lack of personalized recommendations for users.

Validate with people who use this workflow before building.

Hypothesis 4

Add in-app messaging for immediate support and FAQs.

Assumption to check: Limited customer support options for users.

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

RailsMaps is built around regions — pick one, then explore the railway network the way you want. Vector maps load fast, zoom deep, and stay sharp. Also on web: railsmaps.com Rail types • Mainline railways, metro, tram, light rail, narrow gauge, monorail, funicular, miniature railways Map modes (availability varies by region and rail type) • Standard: full network with rail type colouring • Max speed: lines by permitted speed • Electrification: AC and DC systems by voltage • Track gauge: standard, broad, narrow, mixed • Usage: passenger, freight, heritage, industrial • High-speed: dedicated HSR and fast corridors • Stations: station and halt locations • Level crossings: classified by safety • Under construction and proposed lines • Historical: disused and abandoned railways Offline maps • Download region packs for full offline map access • Region packs updated weekly • Tile depth scales with region size: city packs reach zoom 13, national packs zoom 9 — range shown before download • Strict offline mode: block network requests, use installed packs only • Wi-Fi-only downloads and per-region disk usage control Map customization • Built-in presets: default and infrastructure-style colouring • Custom presets: adjust rail line colors, widths and visibility per layer state • Up to 20 presets saved on device, applied separately for light and dark themes Layers and appearance • Vector basemaps (auto, light, dark) with optional raster overlay • Rail layer opacity, basemap labels on/off • Country and city boundary overlays • Compare two regions side by side • Light, dark, or follow the system theme Line & station details • Tap any line or station for speed, gauge, electrification, usage and Wikipedia data Location • Optional passive or active location — see where you are on the rail network • Follow mode to track movement along any line — useful on heritage railways and historical routes Web Export Pass • One-time free claim: +2 weeks of web export access on railsmaps.com and freakmaps.com • Custom styles, region clipping and watermark-free PNG export in your browser Coverage • 600+ regions: countries, states, provinces and major urban areas • 13 interface languages Data from OpenStreetMap contributors. Coverage and attribute completeness vary by region.

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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
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Zustand
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BUILD KIT DIFFICULTY
Intermediate

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.