grommunio chat vs BookStax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
grommunio chat
Read full descriptionHide full description
grommunio-chat is secure workplace for messaging your team. - Discuss topics in private groups, one-to-one or team-wide - View and share images To use this app, you need an URL for a grommunio-chat server.
BookStax
Access and manage your self-hosted BookStack knowledge base natively on iPhone. Edit pages with a Markdown editor, search your content, and access it offline. Prioritizes privacy with secure API token storage.
- BookStack hierarchy navigation
- Full-text search with filters
- Markdown editor with live preview
- Offline read access
- Secure API token connection
- Light/Dark/System mode
- Multi-language support
Read full descriptionHide full description
BookStax brings your self-hosted BookStack wiki to iPhone and iPad as a native app. Read, write and search – directly on your own server. Read • Shelves, books, chapters and pages – the same structure as in BookStack • Images, callouts, tables and collapsible blocks look like they do on the web • Favorites and recently opened pages on the home screen Write • Markdown editor with preview, or the visual editor • Upload images, add tags, insert callouts • Quick Note: capture an idea – without a connection it is uploaded later Search • Full-text search with filters for content type and tag • Find downloaded pages in Spotlight, too Notifications (Pro) • Push notifications from your wiki: new and updated pages, comments, new chapters and books • For admins: keep an eye on new users, registrations, API tokens and changed settings • Choose the events per server – BookStax sets up the webhook in BookStack Offline and widgets • Download books and shelves and browse them without a connection, images included • Widgets for your favorites and an overview of your wiki AI helpers for your pages • Summarize, translate or proofread your own pages • With Apple Intelligence right on your device, or with an AI service you connect yourself Privacy • Your API token is stored in the iOS Keychain. If you like, Face ID or Touch ID locks the app. • BookStax connects to your BookStack server. AI requests go only to the service you set up yourself. • For notifications, BookStack sends events to the BookStax push service. It only forwards the ones you choose to Apple and stores no content. • Anonymous usage statistics (e.g. first launch, server connected) help improve the app – no server addresses, content or personal data. You can turn them off in Settings under "Security". Free and Pro Reading, writing, search, offline reading, widgets and AI are free. BookStax Pro, a one-time purchase, adds: • Notifications from BookStack: pages, comments, books and administration • Shortcuts & Siri: search, open and create pages, fetch content for your own automations • Sharing & export: share page links, export as PDF, Markdown, HTML or text, save text, links and photos from other apps to BookStack • Offline editing with automatic sync • Multiple server profiles • Three premium reader themes, a custom accent colour, one colour per server Requirements • Your own BookStack instance and an API token from your BookStack profile • No server yet? You can try BookStax with the BookStack demo server right in the app. Good to know — BookStax is an independent client and not an official product of the BookStack project. It requires your own self-hosted BookStack server and does not include a server of its own. About the project: https://www.bookstackapp.com / BookStax Pro is a one-time purchase – no subscription, no automatic renewal. Purchases can be restored in the app. / Terms of use (Apple's standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: grommunio chat at none against BookStax's 4. grommunio chat also leads on iOS requirement (12.4 vs 18.6). BookStax's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BookStax sells 4 one-off in-app purchases. grommunio chat asks for nothing beyond the download.
grommunio chat ships an update every 3 months, BookStax every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | grommunio chat | BookStax |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 65 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | grommunio GmbH | Sven Uwe Hanold |
In-app purchases
grommunio chat
No in-app purchases
BookStax
- Page$2.99
- Themes & more Servers$5.99
- Book$5.99
Show 1 moreShow fewer
- Encyclopaedia$12.99









