Grok App Tops 93 Million Monthly Users, Similarweb Estimates

Grok’s mobile app drew an estimated 93.4 million monthly active users in October 2026, according to Similarweb, with downloads reaching 12.7 million as both measures grew from September.

The analytics firm’s chart covers Android and iPhone worldwide. It puts monthly users at 93,386,567, up 3.32%, and store downloads at 12,731,752, up 3.57%. That points to another month of growth for the app, although the chart does not rank it against rival AI assistants.

The update arrives as Grok gains more uses beyond a phone chatbot. Tesla owners have reported opening websites in the car by voice, while Starlink recently asked US creators to make advertisements with Grok Imagine. The chart measures the standalone app, rather than Grok’s audience across all of those products.

Inside the app, Grok combines text and voice conversations with image and video generation through Imagine. It also accepts uploaded documents, images and other files for analysis, giving users several reasons to open it beyond a quick question.

Monthly users and downloads answer different questions. The first measures activity during the month, while the second tracks app installs. The 12.7 million downloads should not be added to the 93.4 million user estimate, or treated as the number of new customers Grok kept.

The mobile-app figures also should not be read as a count of Grok Bot subscribers. Grok Bot is the separate task-focused assistant behind the recent promise of overnight performance fixes. October’s app chart predates those fixes and does not measure whether they worked.

There is another detail behind the headline number: Similarweb uses devices as a proxy for people. Its definition assumes one unique user per unique device, so the estimate is not a verified count of individual people or paying accounts.

Similarweb shared the October figures in a November 9 post. They are third-party estimates, not company-reported results, and the chart provides no breakdown of revenue, daily use or which features brought people back.

Has Grok become an app you use regularly, or do you prefer another AI assistant?