Subscription to Asterion assigns You the Premium membership , and allows you to use application without restriction and ad-free
More about subscription models, limitations and the methods of payment find on this page in sidebar.
Payment is made by PayPal service.
Payment is possible only for registered users!
All you need is an account that you can create for free!
(besides that Registration includes free access for tides, weather forecasts and astronomy calculations for sun and moon)
Advantages of Premium Membership
Premium Membership advantages are shown in descriptive table below. Check it...
Asterion is immediately after you create account and login free of charge to use, but subject to certain limitations and display advertisements . If you want to use Asterion without restrictions and ads you need to become a Premium Member - that you need to pay a premium membership. The collected money from Premium subscriptions are invested in the further development and infrastructure.
|FREE MEMBERSHIP||PREMIUM MEMBERSHIP|
|Displays advertisements in the application (funding by ads)||YES||NO|
|Tides chart view||YES*||YES|
|Tides table data and tides data download (pdf)||YES*||YES|
|Tides calendar view||YES*||YES|
|Max. number of days for tides prognosis for the future period (from current date)||7 days||365 days|
|Max. number of days for tides prognosis for the past period (from current date)||Not Allowed||365 days|
|Sunrise, sunset, moonrise, moonset and moon phase calculations||YES**||YES|
|Max. number of days for sun and moon calculations for the future period (from current date)||Current month||5 years|
|Max. number of days for sun and moon calculations for the past period (from current date)||Current month||5 years|
|Weather forecasts (maps and photos)||YES||YES|
|Entry notes on profile page (make notes)||NO||YES|
|View comments and commenting tides data||YES||YES|
|Personalize your home page with widgets (select Your own forecasts to show on home page)||NO||YES|
* taking into consideration limitation of the maximum number of days calculated in advance and backward in the trial period of 14 days.
** taking into consideration limitation of the maximum number of days calculated in advance and backward.