Explore below to see why ClearSIGNAL is a simple, powerful, and secure messenger State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either. Privacy isn’t an optional mode — it’s just the way that ClearSIGNAL works. Every message, every call, every time. Say Anything Share text, voice messages, photos, videos, GIFs and files for free. ClearSIGNAL uses your phone's data connection so you can avoid SMS and MMS fees. No ads. No trackers. No kidding. There are no ads, no affiliate marketers, and no creepy tracking in ClearSIGNAL. So focus on sharing the moments that matter with the people who matter to you.