---
title: Öffi-Radar
url: 'https://www.mollberg.de/en/apps/oeffi-radar'
markdown: 'https://www.mollberg.de/en/apps/oeffi-radar.md'
lang: en
date: '2026-10-18'
description: 'Öffi-Radar answers a lot of questions when—as always—the display goes out: Which line am I actually on? When will I arrive? Where am I? Do I need to hurry to catch my connection, or will it be late anyway? Open it directly on your phone don‘t forget to allow GPS:'
---

[← All apps](https://www.mollberg.de/en/apps) Available Web app for your phone 

# Öffi-Radar

Uses GPS to show which bus or train you are on, and when you will arrive.

 [Open Öffi-Radar](https://transport.mollberg.de) [Go to guide](#anleitung) 

Öffi-Radar answers a lot of questions when—as always—the display goes out: **Which line am I actually on?****When will I arrive?****Where am I?****Do I need to hurry to catch my connection, or will it be late anyway?**

Open it directly on your phone don‘t forget to allow GPS:

![IMG_9854.png](https://www.mollberg.de/user/pages/02.apps/01.oeffi-radar/IMG_9854.png)

## Features

### All connection’s in one app

Bus, streetcar, train—all with the same design. The filters help you keep track of everything.

### Recognises your line

From the GPS points of your ride, the app works out your direction of travel and shows the matching lines nearby.

### Lock your line

The padlock keeps your line selected. For unambiguous lines it locks automatically.

### Arrival time and stops

Upcoming stops up to the terminus with estimated arrival, distance and departures including delays.

### Filters for trains

Show or hide IC, tram/metro and regional/S-Bahn trains individually.

### Open data

Line and timetable data come from open sources, which are credited at the bottom of the page.

## How to use Öffi-Radar

Your arrival time in a few steps.

1. ### Open the page

    Open Öffi-Radar in your phone browser and allow **access to your location**. Without it the app cannot detect anything.
2. ### Choose bus or train

    Switch between **Bus** and **Train** using the tabs at the top.
3. ### Start

    Tap **Start**. From now on the app regularly collects GPS points of your ride.
4. ### Let it detect your line

    Once enough points are available, the app detects your direction of travel and shows the lines running here. A matching line is highlighted.
5. ### Lock your line

    If several lines run in parallel for a long stretch, tap the **padlock** next to your line. It then stays selected.
6. ### Read stops and arrival

    You see the next stops with arrival time and distance, plus the next departures with delays.
7. ### Start over

    Use **Delete data** to reset the measurement, for example when you change vehicles.

## Feedback or questions?

Write to me – I am happy to hear your feedback.

 [Get in touch](https://www.mollberg.de/en/kontakt) 

  ![]()

---

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- Parent: [Apps](https://www.mollberg.de/en/apps.md)
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