OOIN - Real Conversations Through Shared Interests | Topic Matching Social App

OOIN is a social app that connects you with like-minded people through interest-based topic matching and real-time chat. Start free today.

Why OOIN?

Discover the core features of OOIN — a social experience centered around your interests.

Topic Matching: Choose a topic you're interested in, and you'll be automatically matched with someone who shares the same interest. No more awkward first conversations!
Real-time Chat: Enjoy instant communication with WebSocket-powered real-time chat. Exchange text and images for deeper connections.
Feed & Community: Share moments on your feed and engage with others' stories. Like, comment, and bookmark your favorites.
Premium: Unlock more matching opportunities, expanded chatroom limits, premium badges, and other exclusive benefits.

Get Started in 3 Steps

Sign Up: Sign up easily with your Google account or email.
Choose Interests: Select your favorite categories and topics.
Start Chatting: Start chatting with your matched partner right away!

Frequently Asked Questions

What is OOIN?

OOIN is an interest-based topic matching social app. Choose a topic you like, and you'll be automatically matched with someone who shares the same interest for real-time chat.

Is OOIN free?

Yes, OOIN is free to use. Topic matching, chatting, and feed features are all available for free. For more matching opportunities and extended features, you can opt for a Premium subscription.

How do I meet people on OOIN?

Select a topic you're interested in, and you'll be automatically matched with another user who shares the same interest. Once matched, a dedicated chatroom is created for you to start chatting immediately.

How are chatrooms created?

You don't create chatrooms manually. Our topic matching system automatically connects users with overlapping interests and creates a chatroom for them.

What are the benefits of OOIN Premium?

Premium subscribers enjoy increased simultaneous chatroom limits, exclusive premium badges, priority matching, and more.

What devices support OOIN?

OOIN is available on iOS (iPhone) and Android smartphones. Search for "OOIN" on the App Store or Google Play to download.

Is my personal information safe on OOIN?

Yes, OOIN complies with privacy protection laws and all user data is encrypted and securely protected. Please refer to our Privacy Policy for details.

How do I delete my account?

You can delete your account through Settings > Account Info > Delete Account in the app. All data will be removed within 30 days of deletion.

How do I contact customer support?

You can submit inquiries through Settings > Contact Us in the app, or send an email to support@ooin.co.kr.

Is there a DM (Direct Message) feature?

Yes, you can send direct messages to other users independently from topic matching chats. Just tap the message button on their profile page.