BlindPost vs Espero

BlindPost is a modern messaging app with end-to-end encryption built in. CHAT AND CALL • Private and group chats • Voice and video calls (WebRTC) • Share photos, videos, files, and voice messages • Message reactions, replies, and quotes • Link previews with rich metadata • Polls in group chats • Contact card sharing • Forward messages (text, image, video, file, contact) END-TO-END ENCRYPTED • Every message, call, and file is encrypted on your device before sending • Uses industry-standard cryptography (XChaCha20-Poly1305 and Ed25519) • Your private keys are stored only on your device • Your Ed25519 public key is your user ID — no phone number or email required to sign up • Zero-knowledge server architecture — servers route encrypted data they cannot read SECURITY • PIN lock and biometric authentication (Face ID / fingerprint) • Encrypted device backup via 12-word recovery phrase • Disappearing messages option for conversations you want to keep ephemeral • Open architecture with distributed server nodes for reliability NO TRACKING • No ads • No third-party analytics SDKs AVAILABLE IN 6 LANGUAGES English, 中文, 繁體中文, 日本語, 한국어, Español BlindPost is built for everyday private conversations with the people who matter to you.

Espero is a messaging app where everyone speaks their own language — and is understood. Free to use, no phone number. Write in English, your friend reads in Japanese. Send a voice message in Arabic; your group reads it in Spanish, German and Portuguese. Espero translates every message live for each reader, in 100+ languages — even in group chats where dozens of languages meet at once. WHY ESPERO • Speak naturally — you write in your own language, everyone reads in theirs. • 100+ languages — real-time AI translation for text, voice, images and video. • No phone number — sign in with email. Your number stays private, your messages encrypted. • Free — Espero+ unlocks extra features. EVERYTHING you expect from a messenger — multilingual • Groups without language barriers — organize chats into Topics, gather the best tips into Collections, create Events with RSVP and reminders — all translated for every member. • Stories — 24-hour photo, video and text stories, captions translated for each viewer in their language. • Voice messages — transcribed, translated and read aloud in the recipient's language. • Face-to-face interpreter — one phone between two people, each speaking their own language. • Video translation — paste a link or share a clip; it plays subtitled in your language. HOW IT WORKS 1. Write a message in your own language. 2. Espero instantly translates it for every member of the chat. 3. Tap any message to see the original. ESPERO+ — EXTRA FEATURES Unlimited live translation, voice and image messages, custom themes and wallpapers, larger groups and priority speed. One subscription covers up to 5 family members. Subscriptions renew automatically unless canceled; manage them in your App Store account. Speak your own language. Be understood — everywhere. espero.live Terms of Use: https://espero.live/terms Privacy Policy: https://espero.live/privacy