Pick a plan that's right for you.
$4.99 /month Or $55 /year — One month free
$9.99 /month Or $110 /year — One month free
We also have a free plan which gives you 2GB of personal library space
"It does a great job exactly where I need it, i.e. storing and sorting my papers, searching within my collection, suggesting articles and, of course, making references in the text."
-Dmitriy Poznyak, Graduate Student, University of Cincinnati / University of Leuven
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What types of payment do you accept?
We accept a number of payment methods, including Visa, Mastercard and American Express.
Do I have to sign a long term contract?
No. You can pay on a month by month basis or pay up-front. You can cancel any time you wish.
Is the payment system secure?
Yes. Your data is secured using AES-256 standard, also used by banks to secure customer data.
Can I change my plan?
Yes. You can always change your plan from your Account settings page.
* Unlimited plans start with 100 GB of space. For additional space, contact us at .