Grok’s October App Estimate Hits 93.4 Million; Cross-Surface Tally Hits 118.4 Million
A separate cross-surface tally included X, the mobile app, grok.com and Tesla vehicles. SpaceX’s June 2026 S-1 put monthly active users engaging with Grok AI features at about 117 million on March 31, 2026.

Grok, xAI’s chatbot, had an estimated 93.4 million monthly active users on its Android and iOS apps in October, while a separate cross-surface tally reached 118.4 million, showing two different measures of its audience.
The app-only estimate put October downloads at 12.7 million. Its estimated monthly active users and downloads were each more than 3% higher than in September.
The cross-surface tally listed 54.6 million for X, 34.6 million for the mobile app, 25.4 million for grok.com and 3.8 million for Tesla vehicles.
SpaceX’s June 2026 S-1 filing put monthly active users engaging with Grok AI features at about 117 million on March 31, 2026, up from about 89 million at the end of 2025.
Grok had about 2.4 million paid SuperGrok subscribers and a 3.4% share of the U.S. AI chatbot market, behind ChatGPT, Gemini and Claude.