Zoho’s messaging app Arattai has seen daily sign-ups surge from 3,000 to 350,000 in just three days, driven by government endorsements, social media buzz, and its positioning as a secure, privacy-first messaging app designed as an alternative to global rivals such as WhatsApp.

“We have faced a 100x increase in Arattai traffic in three days, with new sign-ups shooting up from 3K/day to 350K/day. We are adding infrastructure on an emergency basis for another potential 100x peak surge. That’s how exponentials work,” Sridhar Vembu , founder and chief scientist of Zoho , said on X.

Arattai release in November

Vembu added that Zoho had planned a major Arattai release in November, including new features, significant capacity upgrades, and a marketing push—but the demand suddenly went ve

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