6 tested alternatives to mono. Each was assigned the same job label from a fixed vocabulary we maintain — not from how the vendor describes itself — and every one is scored on the same objective 7-Frame benchmark. Ordered by score.
Same job does not mean same platform, same country, or same price tier. Check before you switch.
Ekko — Ekko adds post-quantum encrypted messaging as a layer over apps you already use
Signal Messenger — Signal is a free, private messaging app with end-to-end encrypted calls and messages
openchat — openchat is a browser-based encrypted messaging platform with P2P communication
55Chat官网 — 55Chat is a multi-platform instant messaging app with AI assistance and end-to-end encryption
Telegram — Telegram is a cloud-based mobile and desktop messaging app focused on security and speed
Anonym8 — Anonymous, end-to-end encrypted messaging that requires no email or phone number
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