Chatsen is a 3rd party chat application available for iPhone users. Designed specifically for Twitch users, this chat app offers a range of features to enhance your chatting experience. Developed by William Bulin, Chatsen is a free application that falls under the Lifestyle category.

With Chatsen, you can enjoy chatting on Twitch with the convenience of 3rd-party support for popular extensions like 7TV, BTTV, and FFZ. These extensions provide additional features and customization options, allowing you to personalize your chat experience to your liking.

One of the standout features of Chatsen is its built-in video player. This allows you to watch Twitch streams directly within the app while simultaneously participating in the chat. You no longer need to switch between different apps or windows to enjoy the stream and engage with other viewers.

In addition to these features, Chatsen also offers auto-completion, making it easier to type and send messages in the chat. This feature saves you time and ensures that your messages are sent quickly and accurately.

Overall, Chatsen is a feature-packed chat application that brings convenience and enhanced functionality to Twitch users. Whether you're a casual viewer or an avid streamer, this app is worth considering for a seamless and enjoyable chat experience.