At the beginning of the year, people were desperately looking for an invitation to Clubhouse - an invite-only app, which meant that an existing app member had to join. But now, everyone can have an account.

Clubhouse announced that all iOS and Android users can register, without the need for an invitation or waiting list.

"The invitation system has been an important part of our early history," wrote the platform's founders, Paul Davison and Rohan Seth. They also said the addition of people has helped "grow the Clubhouse in a measured way."

According to data from Sensor Tower, which monitors mobile app downloads, Clubhouse has seen a significant drop in monthly downloads on iOS in recent months, from a peak of 9.6 million downloads in February to just 719,000 in May.

But Clubhouse stresses that engagement on the platform remains strong. The app said approximately 500,000 rooms are created on the platform every day, with the average user spending about an hour a day on the app.

Clubhouse is an app similar to a radio chat, a Zoom conference, and a podcast.

Once you join the Clubhouse, you choose the topics you are interested in: technology, books, business, health, music, etc. The more information you provide about your interests, the more private chat rooms the app will recommend. Conversations are like conference rooms, where some talk and most listen. After the conversation ends, the "room" closes. 

Like AirBnb, Uber and SpaceX, Clubhouse is considered a "unicorn startup" (startup - a start-up company founded by one or more entrepreneurs to develop a new product or service) because it is already worth more than $ 1 billion.

Now, the Clubhouse is valued at $ 4 billion. He is used by some well-known and influential figures, such as Oprah, Elon Musk and Mark Zuckerberg.