We have both free and paid plans. All new accounts get 21 days of premium service for no charge, during which they can track up to 3 sites with a total of 1,000,000 daily page views. When the trial ends, if you have not upgraded you will be put on the free plan which is limited to tracking 1 site with a maximum of 3,000 daily page views. The free plan also has access to a limited feature.

Please see the pricing page for full details.