SerpBook is a subscription-based paid product. We offer a 7-days free trial with 50 keywords where you will have unlimited access to the free trial account for 7 days with all the features included. Take this chance to experience the full capacity of SerpBook as we only offer free trial for a limited time.
We hope you find this helpful! If you need any further assistance, please contact us and we'll be more than glad to help you out.