Sub Explorer for Reddit is a free iPhone application developed by Richard East. As a lifestyle app, it allows users to discover new subreddits related to topics they already love. With an interactive graph, users can explore the connections between different subreddits in a visually appealing way.

The app offers a search function that allows users to choose a subreddit to start their exploration. As they navigate through the graph, related subreddits appear, providing users with a seamless experience. Users can also view subreddit information at a glance or launch a subreddit in their browser or Reddit app.

One of the standout features of Sub Explorer is its ultra responsive graph, which users can adjust according to their preferences. Additionally, users have the option to connect their Reddit account, giving them access to their already subscribed subreddits. The app also allows users to quickly subscribe and unsubscribe to subreddits, as well as add subs to their ignore list.

Overall, Sub Explorer for Reddit is a valuable tool for Reddit enthusiasts who want to expand their subreddit horizons. Its intuitive interface and interactive graph make it easy and enjoyable to discover new communities within the Reddit platform.