Frequently asked questions

No. Forty5 is an independent app that follows the current IB subject guides. It is not affiliated with or endorsed by the International Baccalaureate Organization.

38 courses so far, with separate SL and HL courses wherever the IB splits them. Ab initio languages are offered at SL only, and TOK and the Extended Essay are single courses. See the full list.

Questions stay in the language of the exam: English (in English B too), or Turkish in Turkish A: Literature, Spanish in Spanish B and Spanish ab initio, French in French B and French ab initio, German in German B, Mandarin in Mandarin B and Mandarin ab initio, and Arabic in Arabic A: Language and Literature, Arabic B and Arabic ab initio. The app itself is in ten languages: English, Turkish, Spanish, French, German, Arabic, Chinese, Hindi, Urdu and Russian. Lesson explanations are in English and Turkish today, with the other languages on the way, and key terms are always shown in the language of the exam.

Every lesson is original and written against the subject guides. IB teachers are reviewing it, and each question has a “Report a problem” button.

Yes. It runs in any modern browser on phone, tablet or laptop. Add it to your home screen to open it like an app. Courses you have opened keep working offline. iPhone and Android apps are on the way.

Yes. Your progress and Plus are saved to your account, so you can continue on any phone, tablet or laptop you sign in on. An account can be signed in on two devices at a time.

The first unit of every course, the first lesson of every other unit, and 10-question mock papers. Plus unlocks the rest.

Use the link in your receipt email. You keep Plus until the end of the period you paid for.

Yes, within 14 days of any payment, for any reason. See the refund policy.

Our order process is conducted by our online reseller Paddle.com. Paddle.com is the Merchant of Record for all our orders and handles tax and VAT.

There are no ads, no chat and no public profiles, so strangers cannot contact your child. Students under 16 need a parent’s approval.

Create a parent account in the app and enter the invite code from your child’s Settings. You then see their streak, lessons, progress in each course, weak topics and mock exam grades. You can follow more than one child. A weekly email report is coming.