InThinking Revision Sites give you everything you need to prepare for your IB Diploma exams, and they are updated every month.

There are two kinds of subscriptions for each site:


This gives you access to approximately 15% of the pages on the relevant revision site and full access to our revision phone app. A basic subscription is FREE and is open-ended. (Note that if you do not log-in for 3 months your subscription will be automatically deleted).


This gives you full access to both the relevant revision site and the revision phone app. You can take out a monthly subscription of 1, 2, 3 or 4 months, or an annual subscription of 1 or 2 years.

The cost of a monthly premium subscription is 15 USD / 12 EUR / 11 GBP.

The cost of an annual premium subscripton is 65 USD / 54 EUR / 48 GBP.

Payment method:
You can pay by Credit card or PayPal. We are NOT able to accept payments by bank transfer or cheque.

If you are already a subscriber to any of our revision sites, please log in first to renew or add more sites.

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