What are Visual Validations?
Each page snapshot counts as one visual validation.
Visual validation limits are reset monthly, based on your billing cycle.
What are Concurrent Tests?
Concurrent Tests are the number of tests that can be run at the same time (i.e. in parallel), in order to speed up testing performance.
Each Concurrent Test refers to a machine instance that runs a test script against a browser. When max concurrency is reached, tests will be queued until other tests finish running.
All credit card plans are automatically billed monthly, or yearly (for annual plans), and a corresponding invoice is sent to the account holder's email address the day your credit card gets charged.