IELTS, German and CEFR tests that are marked the moment you finish. Free to join, and anyone can publish and sell their own tests.
No account needed for the first test. Teaching? Become a teacher
… ready-made tests on the marketplace
Every test is a complete, gradable paper, not a worksheet. Reading and Listening are marked the moment you submit; Writing is scored criterion by criterion against the official descriptors.
Browse the libraryTests by type
Most people come here to study. Some stay to write tests and sell them. You do not have to choose at sign-up.
If you are studying
A free test every day
A new IELTS Reading or Listening test daily, with a leaderboard and a streak. The first one needs no account.
Marked the moment you submit
Reading and Listening are graded question by question, with the correct answer shown next to yours.
AI feedback on Writing
Your essay is scored criterion by criterion against the official IELTS, ÖSD and CEFR descriptors, with the reasoning shown.
Full mock exams
Sit a timed mock online, or answer a printed booklet and enter the answers afterwards.
A plan built around your goal
Pick a goal when you sign up and the platform tracks your level, your weak question types and your weekly progress.
Coins for showing up
The daily test, streaks and achievements pay coins. Spend them on discount coupons or extra AI checks.
If you are teaching or publishing
Write your own tests
IELTS Reading, Listening and Writing, German (ÖSD), CEFR A1–C2, vocabulary and quizzes.
Anyone can sell
You do not need a verified teacher profile to publish. Any account can list a test and set its price.
Classrooms and seats
Buy a test once for a number of students. Seats are shared across all your classes and free up when a student leaves.
Results you can act on
Per-student history, per-question breakdowns and sales figures in one panel.
Print as an exam booklet
Export any test, result or class report to PDF and hand it out on paper.
Reach students directly
Run live streams, publish posts and open discussions from your own profile.
90%
of what the buyer pays goes to the author
You set the price and keep it in full. The platform's 10% is added on top, not taken out of your share. Withdraw through the wallet at any time.
Real experiences from teachers and students
'After three months of preparation, I scored 7.5 in my IELTS exam. The tests on Zex-lo match the real exam format perfectly.'
'I've written 24 tests and earn a steady monthly income. The platform processes payments accurately and on time.'
'I manage all my students in one classroom. Tracking each student's results in real time is incredibly convenient.'
'I haven't found better IELTS Reading tests anywhere else. The question types and timing match the real exam exactly.'
'Since signing up, I've gained over 200 students. Promoting my tests through the Marketplace has been incredibly effective.'
'The grammar tests are precisely structured with detailed explanations. The perfect resource for self-learners of English.'
'The payment system is transparent and fast. My withdrawal was processed within one business day. A reliable platform.'
'I scored 8.0 on my IELTS! The practice tests on Zex-lo and teacher feedback were the key to achieving this result.'
'I've written 32 tests and get detailed analytics for each one. I can immediately see where each of my students is struggling.'
'I assign tests to my students in the classroom, they complete them, I review the results and grade Writing myself. A perfect system.'
'I've purchased 15 tests — all created by experienced teachers. It's not a cost, it's an investment. I can see exactly what I've learned from each test.'
'Zex-lo is a truly professional platform. The interface is intuitive, the tests are high-quality, and the support team responds quickly.'
'After three months of preparation, I scored 7.5 in my IELTS exam. The tests on Zex-lo match the real exam format perfectly.'
'I've written 24 tests and earn a steady monthly income. The platform processes payments accurately and on time.'
'I manage all my students in one classroom. Tracking each student's results in real time is incredibly convenient.'
'I haven't found better IELTS Reading tests anywhere else. The question types and timing match the real exam exactly.'
'Since signing up, I've gained over 200 students. Promoting my tests through the Marketplace has been incredibly effective.'
'The grammar tests are precisely structured with detailed explanations. The perfect resource for self-learners of English.'
'The payment system is transparent and fast. My withdrawal was processed within one business day. A reliable platform.'
'I scored 8.0 on my IELTS! The practice tests on Zex-lo and teacher feedback were the key to achieving this result.'
'I've written 32 tests and get detailed analytics for each one. I can immediately see where each of my students is struggling.'
'I assign tests to my students in the classroom, they complete them, I review the results and grade Writing myself. A perfect system.'
'I've purchased 15 tests — all created by experienced teachers. It's not a cost, it's an investment. I can see exactly what I've learned from each test.'
'Zex-lo is a truly professional platform. The interface is intuitive, the tests are high-quality, and the support team responds quickly.'
Create an account to keep your results, your streak and your progress. Or take today's test right now without one.
Sign up
Email or Google. It takes a minute and costs nothing.
Pick your goal
IELTS, German, CEFR or vocabulary. The platform builds a weekly plan around it.
Study, or start selling
Take tests and watch your level move. Publish your own whenever you feel like it.