Plans & billing

You can use the course and try AI learning activities with 100 free credits per month, no card required. Premium includes a larger monthly AI-credit allowance for conversation practice, writing feedback, and adaptive practice.

AI features (conversation, correction, audio) use credits. Your plan includes a monthly allowance that resets each month and does not roll over. If you use it all, you can recharge with a top-up: those purchased credits accumulate and expire 12 months after purchase.

Dynamic audio costs between 2 and 25 credits depending on text length: short snippets cost less, and longer narrations cost more. You will never be charged more than 25 credits for one audio.

When you spend, the soonest-expiring credits are used first. You'll see your balance inside the app.

Monthly and annual plans renew automatically until you cancel. You can manage or cancel them from the billing section of your account; cancellation stops future renewals, although a charge already processed or pending may still complete. You keep access through the end of the period already paid for.

Prepaid access for 3 or 6 months and gifts are one-time payments: they do not renew automatically and end when the stated access window closes.

Polar and its processors handle card data, charges, applicable transaction taxes, and the invoice or receipt under the role and terms shown in Polar Checkout. Liralang does not receive your full card details.