Answer 10 questions every day and see how you compare against players from across Wales and beyond.

Each quiz is unique, combining speed and accuracy to create a fresh challenge every day. Play against friends, family, colleagues, or join a group and compete together.

A new quiz is available every day, giving you the chance to climb the leaderboard and test your knowledge across a wide range of topics.

Download the app today and join thousands of players taking on the daily challenge.

Available free on iOS and Android.

Play Cwis Bob Dydd every day for your chance to win.

Prize bundles may vary throughout the year and will be announced within the app and on S4C's social media channels.

The more often you play and the higher you climb the leaderboard, the greater your chance of qualifying for the draw.
One winner will then be selected at random from the qualifying players.

The competition is divided into weekly competition periods, running from 00:00:00 on Friday until 23:59:59 on the following Thursday.

Good luck!

Download the app now to compete and reach the number one spot on our scoreboard. Search for "Cwis" to download on iOS or Android.

The only free daily quiz app available in Welsh, brought to you by S4C.