New Delhi, Oct 5 – Zoho’s co‑founder and chief scientist, Sridhar Vembu, unveiled the hidden technology that powers the company’s India‑made messaging app, Arattai.
Arattai, launched in 2021, has surged in popularity ever since social‑media influencers and business leaders praised the app. It claims to keep all Indian user data inside the country, making it a “privacy‑first” choice for users who want end‑to‑end encryption for voice and video calls, with text messages set to receive encryption soon.
Vembu told followers on X that the app’s real‑time messaging and AV (audio/visual) features rest on 15 years of home‑grown research. The core is a distributed framework that spreads workload across multiple servers and databases, giving the system fault tolerance, high performance, monitoring and robust security.
“We built a simple looking product that hides a lot of depth,” Vembu said. “Our messaging and AV backbone helped us create clear calls and quick meetings, and our distributed architecture has been a safety net for over 20 years.”
Zoho’s engineering teams will keep pushing new features for Arattai, Vembu added. He also stressed that the app is meant to be an open network that works across platforms, unlike closed ecosystems such as WhatsApp.
The wave of interest began when government officials highlighted Arattai, catapulting the app to India’s top charts. Since September 25, the app has averaged about 100,000 downloads a day, up from just 300 earlier, and daily active users jumped 40‑fold in the last week of September.
With a strong technical foundation and growing user trust, Arattai looks poised to become one of the leading messaging apps in India.
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