Monthly limit for analytic opens
You may upgrade your account at any time within the Billing tab of your Litmus account if you need additional opens collected on your account. The Plus plan currently tracks up to 500,000 opens per month, and the Pro* plan tracks up to 2,000,000 opens per month.
*The Pro plan is a legacy plan level which is no longer offered. Please use the contact form above if you are interested in upgrading from the Plus plan.