https://techcrunch.com/2023/01/12/third-party-twitter-apps-tweetbot-twitterrific-echofon-down/ > People using third-party Twitter clients are facing a number of issues including unable to log in and access Twitter feeds. Tweetbot, Echofon, and Twitterrific, three popular third-party Twitter apps, confirmed the issues and noted that they are not sure what has triggered the glitch. > Tweetbot and other clients are experiencing problems logging in to Twitter. We’ve reached out to Twitter for more details, but haven’t heard back.