This chart service allows you to save your charts so you don't have to re-enter them. Start creating unlimited reports immediately. Accounts are completely free. You can save and store multiple charts and enjoy multiple options, including progressions, Return charts, cosmodynes, and more.
Creating an account is entirely for the purpose of saving your personal charts and later returning to them. You won't receive emails about anything other than your account. In other words, there are no catches!