Purchase credits whenever you need them. Each test requires one credit. A test includes a preview in each of our supported email clients as well as a SPAM analysis report (optional).

Select from the following credit bundles:

* All prices are USD and are subject to change.
* Unused credits expire one year after the date of purchase.

Purchase a subscription and run unlimited tests! You may unsubscribe at any time, no questions asked.

Subscriptions are designed for individual use only and should not be shared with anyone else. Only one user can be logged in at a time. To register multiple users, check out our corporate packages below.

* Credit Card will be charged every term until subscription is canceled.
* All prices are USD and are subject to change.

* Credit Card will be charged every term until subscription is canceled.
* Each user under the Corporate Package will have access to their own settings and test archive.
* All prices are USD and are subject to change.