Fizzap is a new social network launched in September 2020. New features are always being added to the web application. For privacy reasons there is no mobile app.
X Alternatives
X is described as 'Transforming the digital space by enabling public conversation, live audio and video streaming, while offering enhanced features through premium subscriptions' and is a leading Social Network in the social & communications category. There are more than 50 alternatives to X for a variety of platforms, including Web-based, Android, iPhone, Self-Hosted and iPad apps. The best X alternative is Mastodon, which is both free and Open Source. Other great apps like X are Gab, Bluesky, diaspora* and Minds.