Fritter is a privacy-friendly Twitter frontend for mobile devices. It's an open-source project, which means that you can download it for free and check out its source code.

You can also add new accounts and manage your existing ones. Here are the highlight features of this app:

- Privacy: No tracking and local storage of all data
- Follow and group accounts with subscriptions.

- Bookmarks: Local and offline storage for tweets
- Trends: Find out what's popular worldwide.
- Find users and tweets using the search
- Light and Dark themes: Keep your eyes protected

It will also let you see all the tweets that have been posted in the last hour, in the last day, and so on.