The only thing the app needs is your phone number to verify your device. Signal is a non-profit organization, which means that the company doesn’t benefit from your private details. WhatsApp data collection approaches vary significantly. But apps adopt this data differently, which is usually mentioned in their Privacy Policy. Usually, it includes your name, phone number, profile pictures, contacts, messages, usage habits, and more. Data collectionĮvery application you’re using collects some information about you. On the other hand, Signal offers Sealed Sender – the function that hides metadata from all potential snoopers, including the app itself. WhatsApp doesn’t protect your metadata, which means that those details can be exposed to third parties. Even if the messages’ contents are end-to-end encrypted, metadata remains visible and can tell a lot about you (who you’re sending the message to, when it’s sent and delivered, and more). Simply put, metadata is small pieces of information you share every time you send a message, photo, video, and so on. The thing is that, unlike Signal, WhatsApp doesn’t hide your metadata, so certain information remains vulnerable (keep reading to learn more). WhatsApp, they are equally effective.īut this is not the only factor that impacts the security of your communication. So it’s safe to say that when comparing Signal encryption vs. Both apps use the same open-source encryption technology – Open Whisper Systems. WhatsApp followed this trend and introduced end-to-end encryption in 2016. Signal was the first messaging application that introduced end-to-end encryption, using their own cryptographic protocol – Signal protocol. So third parties (including Internet providers, hackers, snoopers, and even the application itself) can’t compromise your private data. While in transit, the message’s content is transformed into a code no one else can read. In a nutshell, it means that all your messages (including text, voice, and video chats) are available only to you and the person you’re communicating with. EncryptionĪs mentioned, both Signal and WhatsApp provide end-to-end encryption. Without further ado, let’s dive into the overview. When comparing Signal and WhatsApp in terms of their safety, we considered the most significant features they provide, as well as the amounts of data they collect and the reputation of the companies owning them. WhatsApp to determine which app is safer. Now, let’s jump into details and compare the main privacy and security features of the Signal app vs. ✅ Yes (hidden message content and sender’s name) ✅ Yes (doesn’t add verification statuses) ✅ Yes (adds verification status to each contact) Meta (owns Facebook, Messenger, Instagram, Threads, and more) Signal Technology Foundation (non-profit organization) If you don’t have time to go through the entire article, here’s a brief comparison of the main privacy and security aspects of Signal and WhatsApp.Ĭollects data and shares it across Meta services
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