Signal has emerged as the darling of digital privacy—recommended by journalists and privacy experts alike. With its minimalist data collection (just your phone number), nonprofit funding, and fully open-source code, Signal is the indie thriller of messaging apps. Each message is encrypted with a unique key, and the app offers features like disappearing messages, IP-masking calls, and proxy support—all without selling your data to the highest bidder. Telegram, on the other hand, is more of a crowd-pleasing blockbuster—with huge public channels and Discord-like community vibes. But it’s not quite airtight: only “secret chats” are end-to-end encrypted, and Telegram’s revised 2024 privacy policy allows it to hand over IPs and phone numbers to authorities upon request.

The cloud-based service also collects metadata, making it less than ideal if you want true anonymity. Then there's WhatsApp: the global juggernaut. It uses the same encryption tech as Signal, but unlike Signal, it’s owned by Meta—and that means data collection is part of the business model. From device info to usage habits and even data shared by your contacts, WhatsApp scoops up everything. So while your messages might be locked tight, your metadata’s starring in a surveillance drama you never agreed to be in. 🎥 Verdict? For pure privacy: go Signal. For community: try Telegram (just skip the secrets). For convenience… well, remember who’s behind the camera.
Source.