# OpenBook Chat — Simply Beyond Chat

> Simply Beyond Chat (iPhone/iPad app by Moneta Eight FZE LLC.)

- Source: https://appshunter.io/ios/app/openbook-chat/id6758944434 (this page in markdown: same URL + `.md`)
- Developer: [Moneta Eight FZE LLC](https://appshunter.io/developer/1854308583)
- Category: Social Networking, Productivity
- Price: Free
- Age rating: 17+
- Requires: iOS 15.6 · 237 MB
- Languages: American English
- Released: 2026-07-21
- Data updated: 2026-09-17
- User reviews in markdown: https://appshunter.io/ios/app/openbook-chat/id6758944434/reviews.md

## What is OpenBook Chat?

OpenBook Chat is a communication platform built for people who value privacy and live beyond borders. Encrypted messaging, real-time translation in 30 languages, an AI companion, and powerful productivity tools — all in one app.

COMMUNICATE WITHOUT LIMITS
Enable OpenBook Zero for messages only you and your recipient can read — end-to-end encryption with X25519 key exchange and per-message ephemeral keypairs. Once it's on, nobody, not even us, can access your encrypted conversations.

BREAK THE LANGUAGE BARRIER
Chat in any language with real-time auto-translation across 30 languages. Powered by on-device Apple Translation for privacy, with AI fallback for broader coverage.

LUNA — YOUR AI COMPANION
Luna is OpenBook's built-in AI companion. Ask questions, get things done, translate on the fly, and have real conversations — all without leaving the app.

CIRCLES — EPHEMERAL GROUP MOMENTS
Create a Circle for a trip, a project, a moment. It sunsets automatically. No archive anxiety, no thread management.

AMBIENT MUSIC ROOMS
Over 450 original AI-generated tracks across 14 themed rooms. Find your focus, wherever you are.

DOCUMENT SIGNING
Sign PDFs, add annotations and stamps, all without leaving OpenBook.

Upgrade to OpenBook Pro for expanded access to Luna and AI-powered features.

OpenBook. Simply beyond chat.

Terms of Use: https://moneta8.com/terms.html
Privacy Policy: https://moneta8.com/privacy.html


## Version history (last 1 release)

### 1.0 — 2026-07-21

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-17.*