[9][10] The government demanded that Twitter block the accounts of hundreds of activists, journalists, and politicians, accusing them of spreading misinformation.

[14] After crises involving the acquisition of Twitter by Elon Musk in 2022, Koo became an attractive social network for Brazilian users.

Personalities such as Felipe Neto, Casimiro, Bruno Gagliasso and Pocah created their accounts on the social network.

The name "Koo", which has the same pronunciation as "cu", a vulgar term for the anus in Portuguese language, drew attention of users.

On 26 May 2021, Koo raised $30 million (about ₹218 crore) in Series B funding, led by Tiger Global Management.

[25] On 25 November 2022, Koo further raised $6 million in a funding round led Accel Partners and Tiger Global.

[29][30] On 4 May 2021, Koo introduced a new feature called "Talk to Type" which allows its users to create a post with the app's voice assistant.

[34][35] Koo was first launched in Kannada[36] and supports Hindi, English, Portuguese, Tamil, Telugu, Assamese,[37] Marathi, Bengali, Gujarati, Punjabi, Hausa, Spanish, Italian, German, French, Thai, Vietnamese, Turkish, Korean.

[38][39] In February 2021, a cybersecurity expert showed a data breach on the app, but the company rejected the claim.

[45][46] On 3 July 2024, the founders announced their decision to shut the platform down due to an unpredictable market, failed partnerships and the high cost of technology services involved.