Welcome to the UBI: VHF Radio Operator's License App,
your smart exam trainer for the VHF radio operator's license for inland waterway radio – UBI for short.
With this app, you have full control over your exam preparation.

The most important features at a glance:
• 📚 All 130 official questions & answers (ELWIS, up-to-date)
• 🎯 Test with 26 questions – then unlock the rest
• 💡 Explanations for each question
• 💳 Available with a one-time purchase or a subscription that can be canceled at any time
• 🚦 Easy-to-understand traffic light system in learning mode
• 🧾 All 12 official theory exam papers
• 🕒 Exam mode under real exam conditions
• 🧭 Intuitive operation

📴 No internet? No problem.
Our app also works completely offline!
Study comfortably on the bus, subway, or whenever you have a moment – completely without data usage.

📊 Everything under control with the learning mode:
Keep track of things at all times:
• Red questions = Still need to practice 🔴
• Green questions = Ready for the exam 🟢
• Smart statistics show your progress

This makes getting the UBI radio operator's license a breeze.

📝 Exam mode just like the real thing:
Our app is based on the official theory exams – with the latest questions and original exam papers.
Test under real-life conditions – including official exam time 🕑

All features at a glance:
• 📚 130 official questions & answers (ELWIS)
• 🎯 First test with 26 questions, then unlock everything
• 💳 Subscription or one-time purchase – cancel at any time
• 💡 Detailed explanations for each question
• 🔍 Integrated search function
• 🧾 All 12 official ELWIS exam papers
• 🕒 Exam mode with submission timer
• 🚦 Traffic light system for learning monitoring
• 📈 Learning progress statistics
• 🗂️ Clear categorization of questions
• ⭐ Mark difficult questions
• 📤 Share learning success with friends
• 🧭 Intuitive operation
• 📴 Completely usable offline
• 🔔 Optional learning reminders
• 💬 Fast support – contact us anytime

💬 Feedback welcome!
We're continuously developing the app and look forward to your feedback!

Whether it's praise or criticism – your opinion helps us make the app even better!

As you can see, we're making it as easy as possible for you – and we look forward to seeing you on the water soon with your successfully completed UBI radio license.

We wish you the best of luck with your studies!

Your UBI: VHF Radio License Team