- Daily match: Users receive a new match every day, specifically picked for them.
- Personalized profile: Users can personalize their profile with details of their hobbies and interests.
- Fun questions: Users can answer fun questions to tell matches more about themselves.
- Matching preferences: Users can select their matching preferences, such as age, distance, and religion.
- Free to use: Once is a free dating app.
- Premium features: Users can speed up the matching process with premium features such as picking a new match right away, finding out who has a crush on them, and requesting to chat with other members without waiting for a match.
- VIP membership: Users can become a VIP and get 3 more matches every day, picked from the most active singles. VIP members also have access to exclusive features such as setting the maximum distance for their matches.
- Positive reviews: Once has received positive reviews from publications such as The BBC, Time Out, Tech Crunch, and The Guardian.