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Maps · head to head

Leaflet vs Transit

Leaflet logo

Leaflet

Maps

Leading open-source JavaScript library for mobile-friendly interactive maps, used by millions of developers worldwide

From
Free
Rated
-
Full reviewWebsite
Transit logo

Transit

Maps

Public transit trip planning and real-time arrivals for buses, trains and shared bikes and scooters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Leaflet 2D only with no support for 3D features, tilt, or rotation; Transit coverage depends entirely on whether the local transit agency publishes a real-time feed, so quality swings sharply between well-funded metro systems and smaller regional operators.
  • They diverge on capability: Leaflet covers Core Functionality, Transit covers Real-time arrivals.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Leaflet and Transit actually diverge.

Attributes where Leaflet and Transit differ
AttributeLeafletTransit
Pricing modelUnknownFree to riders; revenue from agency data and fare-payment transaction fees
PlatformsWebiOS, Android, Web

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Maps).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Leaflet

  • Core Functionality
  • User Interface

Only in Transit

  • Real-time arrivals
  • Multi-modal trip planning
  • Service alerts
  • In-app fare payment
  • Offline schedules
  • GO transit and micromobility layers

What people use each for

The jobs each tool is most often brought in to do.

Leaflet

  • Embedding interactive maps in a web pagenot Transit
  • Mobile-friendly map interfaces across desktop and mobile browsersnot Transit
  • Mapping where bundle size matters, at roughly 42 KB of JavaScriptnot Transit
  • Extending a basic map with plugins rather than adopting a full platformnot Transit

Transit

  • A commuter in a city with a well-maintained GTFS-realtime feed wanting live bus and train arrivalsnot Leaflet
  • A rider comparing a transit trip against a bike share or scooter leg for the last milenot Leaflet
  • A visitor needing offline-capable static schedules in a city with patchy data coveragenot Leaflet
  • Someone wanting to buy a transit fare inside the same app used to plan the trip, in supported citiesnot Leaflet

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Leaflet

  • 2D only with no support for 3D features, tilt, or rotation
  • Performance degrades when rendering large datasets of complex vector geometries without optimization
  • Limited dynamic styling support; style is fixed on the server when using raster tiles
  • Lacks native support for WMS features; requires plugins like Leaflet.WMS and complex feature identification is cumbersome
  • Requires external tile service for map imagery; does not provide map tiles natively

Transit

  • Coverage depends entirely on whether the local transit agency publishes a real-time feed, so quality swings sharply between well-funded metro systems and smaller regional operators.
  • The company earns its revenue by selling agencies a paid analytics product built from rider trip data, which means the free app functions partly as a data-collection layer for a business customer, not only as a public service.
  • In-app fare payment is only available in a limited set of cities, so the headline feature is not something most riders can actually use.
  • Static schedule fallback in low-data cities is only as accurate as the agency last published, and service changes can go unreflected for weeks.
  • The app has no offline routing without a cached area, so it is not reliable for navigation in areas with poor mobile signal.

Pricing, plan by plan

Leaflet

Free

No published plan breakdown. See the Leaflet review.

Transit

Free
  • Rider appFree
    • Real-time arrivals and trip planning
    • No ads shown to riders
    • In-app fare purchase where supported

Which should you pick?

Choose Leaflet if

  • You need core functionality.
  • You want to start without paying.
  • You also want user interface.
Leaflet review

Choose Transit if

  • You need real-time arrivals.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want multi-modal trip planning.
Transit review

Questions people ask

Is Leaflet or Transit better?
Neither clearly leads. Leaflet starts at Free and Transit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Leaflet or Transit?
Leaflet starts at Free and Transit at Free.
Does Leaflet or Transit run on more platforms?
Leaflet runs on Web. Transit runs on iOS, Android, Web.
Can I use Leaflet for free?
Both have a free tier, so you can try either at no cost before committing.
What is Leaflet best used for?
Leaflet is most often used for embedding interactive maps in a web page, mobile-friendly map interfaces across desktop and mobile browsers, mapping where bundle size matters, at roughly 42 kb of javascript, extending a basic map with plugins rather than adopting a full platform. Of those, embedding interactive maps in a web page and mobile-friendly map interfaces across desktop and mobile browsers are not what Transit is typically brought in for.
What can Leaflet do that Transit cannot?
Leaflet covers Core Functionality, User Interface. Transit covers Real-time arrivals, Multi-modal trip planning, Service alerts, In-app fare payment.

Answered from the vendors’ own pages

Leaflet: Is Leaflet free and open source?

Yes. Leaflet is open-source JavaScript library licensed for free use. Over 400 plugins add capabilities like marker clustering, heatmaps, drawing tools, geocoding, and routing.

Source
Transit: Does Transit cost anything to use?

No. The rider app is free with no subscription and no ads; the company earns money separately by selling agencies a paid data and communication platform.

Leaflet: How do I include Leaflet in my project via CDN?

Leaflet is available on multiple free CDNs including unpkg, cdnjs, and jsDelivr. Include the CSS stylesheet from https://unpkg.com/[email protected]/dist/leaflet.css and JavaScript from https://unpkg.com/[email protected]/dist/leaflet.js in your HTML head.

Source
Transit: Does it work in every city?

No. Coverage depends on whether the local transit agency publishes a GTFS or GTFS-realtime feed; some smaller markets have static schedules only.

Leaflet: What mapping services does Leaflet support?

Leaflet integrates seamlessly with various mapping services including OpenStreetMap, Google Maps, Bing, and other custom tile providers, allowing developers to choose the best base layer.

Source
Transit: Can I buy a bus or train ticket in the app?

Only in cities where the local agency has integrated fare payment; elsewhere you still need the agency app or a physical ticket.

Leaflet: What is the file size of Leaflet?

Leaflet weighs about 42 KB of JavaScript.

Source
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