Lublin BusWidget
Offline iOS public transport app for Lublin, Poland, built around GTFS schedule data, route search, stop timetables, route explorer and Home Screen widgets.
Client
Madis In-house Product
Date
2026
Budget
$2 500
Project Goal
The goal was to make Lublin public transport schedules available in a simple iOS app that works without internet access and gives users quick access to routes, stops and upcoming departures.
Results
Lublin BusWidget was released publicly in February 2026 and updated to version 1.0.1 in March 2026. The project was delivered in 2 weeks with an approximate budget of $2,500.
Implementation Process
2026
February
GTFS Data Setup
Prepared public transit schedule data for offline mobile use.
2026
February
iOS App Development
Built search, route explorer, timetable views and favorite stop flows.
2026
February
App Store Release
Released the free iPhone utility and refined the first public version.
Key Features
Offline Schedules
Users can browse Lublin transit schedules without an internet connection.
Route and Stop Search
Search supports route numbers, stop names and stop codes.
Timetable Views
Daily departures are shown in clear hour-by-minute timetable grids.
Home Screen Widgets
Widgets show upcoming departures for selected stops and bus lines.
Privacy First
The app requires no registration, has no ads and does not track users.
Schedule and Route Screens
Real App Store screenshots showing route search, stop selection and full daily timetable views.
Widget and Offline Access
The app supports quick Home Screen widget access for favorite stops and works without an internet connection.
Challenge
The product needed to turn GTFS transit data into a clear mobile experience with offline access, route and stop search, daily timetables, direction switching and widget-based quick access.
Solution
Madis built the iOS app, integrated public GTFS schedule data, implemented route and stop browsing, created timetable views and added Home Screen widgets for favorite stops and bus lines.
Technologies Used
iOS
GTFS
Widgets
Offline Data
Public Transport Data
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