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Frequently asked questions

Quick answers to common questions about Zollang.

Getting started
Is Zollang free to use?
Yes. You can start for free: one Speaking lesson, one YouTube lesson and one slow podcast to try, a short Conversation, plus vocabulary review and pre-made lessons, which are always free.
What languages does Zollang support?
Zollang supports a fixed set of languages to learn — you'll see the full, current list when you choose your learning language. Some languages are in beta, and some features, such as frequency lists, are richer for the most popular ones.
Do I need to install anything?
No. Zollang works in your browser — just visit zollang.com, create an account and start learning. There are also iOS and Android apps if you prefer to learn on your phone.
How do I contact support?
Use the contact form. You get a ticket reference by email, and you can follow the ticket's status on your Support page.
How much time does it take?
As much as you have. A Speaking lesson goes sentence by sentence, so you can stop and pick up where you left off. A slow podcast is made for a drive, and your words come back for review in short sessions when they're due.
I don't have anything to bring. Can I still start?
Yes. Pick a topic and have Zollang write a text for you, or turn a topic into a slow podcast. Or begin with a pre-made lesson. When you find something you want to learn from — a song, an article, a video — bring it in.
Learning & content
What content can I learn from?
Anything from your life: a text you paste or have Zollang write, a page you photograph, a YouTube video, an article or topic turned into a slow podcast, a word list — or a long text you just want to read in Easy Reader. Or start with a pre-made lesson.
How does a lesson work?
A lesson has four parts. Study is the session: you hear each sentence, understand it piece by piece, say it yourself, and finish with a Recap. Read lets you read and listen to the whole text at your pace; Exercises holds what you missed plus practice for any sentence. Your new words go into spaced review, and you can talk about the lesson in Conversation whenever you like.
What if I can't speak out loud right now?
Turn on tap practice from the tile above the session. Every speaking step is answered by tapping instead, and the microphone never opens. You can also type a single answer with "Type instead".
What is Contextual review?
A fresh scene Zollang writes from your own words — the ones due today, a list, a past lesson or your tricky words — with audio and a check at the end. Start one from the Context tab of your vocabulary.
Vocabulary & reviews
How does spaced review work?
When you review a word, you rate how well you remembered it. Words you find easy come back after longer gaps; words you struggle with come back sooner. Reviewing a word just before you'd forget it is what makes it stick.
What does "mark as known" do?
If you already know a word, mark it as known. It leaves your review queue for good and still counts toward your frequency coverage.
What are "tricky words"?
Words you keep getting wrong in reviews. They're flagged so you can give them extra attention — Contextual review has a door just for them.
How often should I review?
A little every day is ideal — it keeps your streak and your memory. The schedule is handled for you: just review what's due.
Credits & billing
How do credits work?
Credits are used whenever Zollang creates something for you: lessons, audio, Contextual review scenes, Conversation and coaching sessions, Easy Reader pages. Free accounts include one lesson of each kind to try; paid plans come with a monthly allowance.
Do credits expire?
Credits from your subscription roll over, up to twice your monthly allowance. Top-up credits never expire.
What happens if I run out of credits?
You can still open your lessons, read what you've imported, and review your vocabulary. Creating new lessons and the other AI features wait until you get more credits — through your renewal or a top-up.
Are pre-made lessons really free?
Yes. Pre-made lessons are generated in advance by Zollang, so the AI work is already done. Starting one costs no credits and copies it to your library, up to your plan's limit.
Technical
Why can't I import a YouTube video?
The video needs captions in the language you're learning. If it has none, paste its transcript from YouTube — or pick another video, or create a Speaking lesson from the text instead.
Why is audio not playing?
Check that your browser allows audio autoplay; some block it by default. Make sure your device isn't muted, and refresh the page if it still doesn't play.
Can I use Zollang offline?
Not yet — Zollang needs an internet connection.
Is my data private?
Yes. Your lessons, vocabulary and learning data are private to your account, and you can download a copy of them from Settings at any time. See our privacy policy for full details.

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