Honest Review of Online Jazyky: Are These Online Language Courses Worth It?

Are online language courses from Onlinejazyky.cz worth the investment? The short answer: Yes. Given that I’ve been studying with them since 2019, it probably won’t surprise you that I’m a big fan.

All you need is 20 minutes a day, a mobile phone, and the app to see real results. Let’s take a closer look at what these online language courses for self-learners can do and how to make the most of them.

Who Can Actually Learn a Foreign Language?

How do you learn a foreign language? It’s not about talent, and no magic formula for learning English (or any language) quickly and effortlessly actually works. The people who succeed are those who use a solid system, study regularly, and genuinely enjoy the process.

But let’s be honest — most of us don’t have the time or money to attend a language school several times a week, and private lessons in coffee shops tend to be expensive and inefficient.

To truly learn English, French, Spanish, or any other language well, you ideally need to study every single day — even if it’s just twenty minutes. And Onlinejazyky.cz is one of the best ways to get started. We’re not exaggerating — during our 1.5 months in Mexico, we used them to learn Spanish. 🙂

💡Use the discount code LOUDAVYMKROKEM when purchasing at Onlinejazyky.cz and Easylingo.cz. You’ll get 20% off any course or subscription.

How Online Jazyky Courses Work

Online Jazyky offers a total of 6 world languages: English, German, French, Spanish, Russian, and Italian.

For English alone, you can choose from 25 courses, divided by proficiency level (A1–C2) or by topic (exam preparation, business English, etc.).

Each course is broken down into thematic lessons, with a review section at the end of each one and a final test once you’ve completed the entire lesson.

Every lesson contains dozens of exercises, each taking just a few minutes at most. Every exercise is graded instantly, and you can repeat it as many times as you like until you nail 100%.

Each lesson kicks off with an overview of new vocabulary that you’ll encounter. Over the course of several exercises, you’ll practise these words until, by the end of the lesson, they feel completely natural.

Free Placement Test

Not sure about your current level? You can take a free online placement test. It contains 60 randomly selected questions that assess your reading, writing, vocabulary, and grammar skills.

The result tells you your current language level and recommends the right follow-up course for you.

Placement tests are currently available for these languages:

• English
• German
• French
• Spanish

You can even retake the placement test multiple times to check whether you’re progressing quickly enough in your chosen language.

Free Trial Version

You can try Online Jazyky with no strings attached. Simply choose a course and the system will offer you a sample lesson. We definitely recommend giving it a go!

Instant Feedback While Learning

Unlike traditional textbooks and classroom courses where you might wait days or even weeks for feedback, Online Jazyky gives you results immediately.

After each exercise (2–3 minutes), you get instant evaluation and can repeat the exercise as many times as needed until you hit 100%.

Study at Your Own Pace

While consistency is key to learning a foreign language effectively, we all know that sometimes life gets in the way. A demanding project lands on your desk at work, you catch a nasty cold, or you go on holiday — and suddenly there’s no time to study.

With traditional language classes, you fall behind after missing just one session. Teachers may send you homework to catch up, but it never quite replaces the actual lesson, and you gradually lose your footing. We know this from experience — we went through it ourselves with a Spanish course.

With Onlinejazyky.cz, you study whenever it suits you. And once you build the habit, you won’t have the slightest problem fitting in a daily twenty-minute session with your phone in hand.

Even if you take a break for a while, the material doesn’t disappear. It’ll be waiting for you right where you left off. Just set a longer review interval in the app and thoroughly go through everything you’ve studied so far.

Downloadable Vocabulary

For each lesson, you can download the vocabulary to your computer in three different formats. Either as a simple list, printable flashcards, or MP3 files for your music player or phone. This way you can revise on the train or bus without even looking at your screen.

Detailed Statistics

An important element of Online Jazyky is the gamification of the entire learning process. In addition to motivational videos after each exercise, you have access to a dashboard with ongoing statistics showing your success rate, course progress, and the number of words learned each study week.

The mobile app tracks your learning and actively motivates you to complete at least twenty minutes every day.

You earn points and wildcards for successful studying, and your rank increases over time. You can compete with friends and see who climbs higher on the leaderboard.

Lifetime Access to Purchased Courses

You get lifetime access to any course you purchase. That means you can come back whenever you like — you can even jump back to ANY POINT in the course to revise only what you’ve forgotten.

Certificate Upon Completion

After completing a course, you’ll receive a certificate that you can use, for example, during job interviews.

What Online Language Courses Are Available

Onlinejazyky.cz offers 6 world languages. Courses are available in English, German, French, Spanish, Russian, and Italian. For English alone, there are 25 courses divided by difficulty level (A1–C2) or thematic focus (e.g. exam preparation, business English, etc.). Each course is further divided into thematic lessons containing exercises and a final test.

Online English Courses:

• English for beginners and advanced beginners, A1, A1+, A2-, A2+
• English for lower intermediate B1-, B1+
• English for upper intermediate B2-, B2+
• English for advanced learners C1
• English for experts C2
• 1000 English words
• English vocabulary for A1, A2, B1
• English alphabet with pronunciation – mini course
• English for children – Wattsenglish Online
• English for primary school pupils – Year 3, Year 4, Year 5
• Exam preparation
• Travel English
• Business English for advanced beginners A2, intermediate B1, upper intermediate B2
• Professional English for healthcare workers B1+, lawyers B1+, energy sector B1+, finance B2+, sales & purchasing B2+, HR professionals B2+, designers B2, engineering B1+
• Vocabulary course for IT B1, automotive industry A2+, designers B2, finance B1, logistics B1, sales & purchasing B1, HR professionals B1, engineering B1, management B1, accounting B1
• Conversation club preparation

Online Italian Courses

• Italian for beginners A1
• Italian for lower intermediate A2
• Italian for upper intermediate B1
• Italian for expert level C1

Online German Courses

• German for beginners and advanced beginners A1-, A1+, A2
• German for lower intermediate B1
• German for upper intermediate B2
• 1000 German words
• German vocabulary for A1-, A1+, A2-, A2+, B1-, B2+
• Business German for upper intermediate B2
• German for accountants B2
• German for sales & purchasing B2
• German for HR professionals B2
• German vocabulary for management B1
• German vocabulary for sales & purchasing B1
• German vocabulary for HR professionals B1
• German vocabulary for logistics B1
• German vocabulary for IT B1
• German vocabulary for finance B1
• German vocabulary for accountants B1

Online French Courses

• French for beginners A1
• French for lower intermediate A2
• French for upper intermediate B1
• French for expert level C1

Online Russian Courses

• Russian for beginners A1
• Russian for lower intermediate A2
• Russian for upper intermediate B1
• Russian for expert level C1

💡Use the discount code LOUDAVYMKROKEM when purchasing at Onlinejazyky.cz and Easylingo.cz. You’ll get 20% off any course or subscription.

The Learning Method Is Fun and Effective

Instead of mindless multiple-choice clicking, you’ll encounter a wide variety of exercise types that keep things interesting. Interactivity and fun are core elements of the Onlinejazyky.cz platform.

The exercises use different formats, such as filling in blanks in sentences, sorting vocabulary, solving crossword puzzles, building sentences from scrambled words, and listening and speaking practice. Each exercise is short, lasting just a few minutes. Once completed, it’s graded instantly and you can repeat it until you reach 100%. You’ll be:

• Filling in blanks,
• sorting vocabulary,
• solving crossword puzzles,
• dragging words into empty spaces,
• building sentences from scrambled words,
• matching correct answers,
• listening and speaking.

The Onlinejazyky.cz platform uses gamification as a motivational tool throughout the learning process. After completing an exercise, you receive instant feedback and earn points and wildcards that help you climb the leaderboard. You can also compete with friends and track your progress through clear, detailed statistics.

Spaced Repetition Method – The App Makes You Learn

Onlinejazyky.cz uses what’s known as the spaced repetition method. When you learn something for the first time, only a fragile connection forms between neurons in your brain, and it fades over time. Through repetition, that connection strengthens and becomes more robust. This is how you learn a language in a way that truly sticks.

This method is based on the forgetting curve discoveries of Professor Hermann Ebbinghaus in the 19th century, who found that we forget more than two-thirds of what we learn in a single day by the next morning. After 6 days, we lose up to 75% of the material.

Based on these scientific findings, Onlinejazyky.cz developed a system where only 30% of your daily study is new material, while the rest is revision. By following this repetition system, your memory retains more than four times the amount of new material compared to traditional study methods.

Online Jazyky Gets You Speaking

You’ll often hear that online learning can never replace a live tutor because you can’t have a conversation with an app. If you think that, you might be pleasantly surprised — Online Jazyky handles this too. Just tap the microphone icon and read the word or sentence aloud. The app then evaluates your pronunciation.

Conversation Clubs

If pronunciation practice isn’t enough for you, you can turn your room into a conversation classroom. For an additional fee, you can join Skype group sessions with other students. These lessons run without video, so you can remain fully anonymous. If you struggle with shyness, these Skype sessions can help you overcome that barrier.

Private Skype Lessons

If you feel the material is too challenging, or you’d simply like to chat with someone in a foreign language, you have the option of private Skype lessons — both with a tutor and with a native speaker.

Online Jazyky Mobile App

Since February 2019, Online Jazyky has had its own mobile app for both Android and iOS. The app is well polished, and we recommend everyone use it because it lets you study on the train, over breakfast, or during long journeys.

The app also includes the leaderboard and the wildcard collection feature. On a Sunday, nothing feels better than seeing seven flame icons marking a successfully completed study week.

Money-Back Guarantee

If you’re not happy with your purchased course, you can request a full refund within 14 days.

How Much Do Online Language Courses Cost?

Courses range from approximately €35 to €110. Vocabulary courses are the cheapest (around €35), while most standard courses cost about €100. The most expensive courses (around €110) focus on professional language skills.

Who Are These Online Courses Suitable For?

Students and schoolchildren, travellers, and anyone who wants to improve their language skills. We know that people as young as ten and as old as eighty study with Online Jazyky.

It’s perfect for anyone with access to a phone or computer who wants to learn a foreign language in a fun way and doesn’t have much time to spare.

Online Jazyky for Companies

If you’re an employer looking to upskill your team, online courses from Onlinejazyky.cz are an ideal solution — you can monitor whether employees are actually studying. We introduced this approach at nanoSPACE and saw excellent results.

Who Are These Online Courses NOT Suitable For?

Those who lack the motivation to open their phone or computer for twenty minutes a day. 🙂 Simply buying a course won’t magically transfer knowledge into your brain. But trust me — if you manage to study for 20 minutes a day, within two weeks you’ll be hooked. The hardest part is getting started.

Our Verdict on Onlinejazyky.cz

We’ve tried just about everything. We’ve studied with various apps, listened to language podcasts, attended evening classes with native speakers, and spent months going to private lessons. But we never stuck with any method, because life got in the way or the tutor simply wasn’t the right fit.

With Online Jazyky, it’s different. The entire learning process is professionally designed and genuinely enjoyable. It’s simple enough to squeeze in even at ten o’clock at night, and you don’t lose your place if you happen to skip a day.

In our opinion, Online Jazyky is a top-notch way to learn a world language without stress and from the comfort of your own home. It gives you the feeling of being truly in control of your learning.

Go on, try a free lesson for yourself 😉

Summary: Pros and Cons

• + A completely different approach to learning
• + Just 20 minutes a day for visible progress
• + Learn on your computer, tablet, or mobile phone
• + Lifetime access to courses, ability to revisit material
• + Downloadable study materials
• + Gamification of the learning process
• + Free placement test

• – Only works online
• – Highly addictive
• – Mobile app still has some rough edges
• – Higher course prices
• – Occasional bugs during exercises that lower your score
• – Limited course selection for Russian and Italian

Interested in other courses? Have a look at our other tips for personal development.

Frequently Asked Questions (FAQ) About Learning with Online Jazyky