Heardle was created by two music enthusiasts who wanted to pay tribute to Wordle, the popular word game created by Josh Wardle. They launched heardle in January 2022 as a side project and a fun experiment. They did not expect it to become so popular and viral, but they were pleasantly surprised by the positive response from players.

The creators of Heardle choose the songs for each day manually, based on their own preferences and suggestions from users. They try to balance between songs that are well-known and songs that are obscure or niche. They also try to include songs from different genres, eras, and regions, to make the game more diverse and inclusive.

The creators of Heardle plan to keep updating the game with new features and improvements, based on user feedback and requests. They also hope to expand their audience and reach more people around the world by adding more languages and localizations.