How Do I Upgrade My Subscription?

You can upgrade your subscription at any time by going to the Account page, and then clicking on the "View Upgrade Options" link:

Note that you can choose to pay in different currencies, select from the dropdown in the upper right. The pricing will adjust to that currency:

To switch billing periods (and pricing), click the "per mo/billed monthly/yearly" link to change billing periods (and see the pricing):

After you click the "Upgrade" button you will be taken to the Billing portal where you can enter payment information. Note that you will still have a chance to select and confirm billing period/rate. You can always adjust either the level or frequency later:

We also offer the annual invoicing for individuals and institutions that prefer paying in this manner. Please contact if you wish to do that.

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.