We offer three subscription plans at Memrise: Monthly, Annual and Lifetime.
All Premium memberships will give you access to all languages and scenarios (you aren't restricted to one language!) on the iOS app and at memrise.com.
You can see all the available subscriptions, prices and payment methods for your country by tapping tapping the Upgrade button anywhere it appears in the app or by going to your Profile settings in the top right corner of any tab.
Having trouble subscribing? Please read this article.