Databag vs Document Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Databag
This self-hosted messaging service offers decentralized and federated communication with end-to-end encryption. Organize conversations by topic and enjoy low latency with mobile alerts for new messages and calls.
- Decentralized communication
- Federated accounts
- End-to-end encryption
- Topic-based threads
- Audio and video calls
- Mobile alerts
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Databag is a selfhosted messaging service. Notable features include: - Decentralized (direct communication between app and server node) - Federated (accounts on different nodes can communicate) - Public-Private key based identity (not bound to any blockchain or hosting domain) - End-to-End encryption (the hosting admin cannot view sealed topics, default unsealed) - Audio and Video Calls (nat traversal requires separate relay server) - Topic based threads (messages organized by topic not contacts) - Lightweight (server can run on a raspberry pi zero v1.3) - Low latency (use of websockets for push events to avoid polling) - Unlimited accounts per node (host for your whole family) - Mobile alerts for new contacts, messages, and calls (supports APN)
Document Viewer
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Palmory is a mobile viewer for Markdown notes, HTML artifacts, PDFs, and related files hosted in GitHub repositories. It is built for browsing knowledge vaults, design docs, research notes, and AI-generated HTML reports on mobile. Use Palmory to open a repository, browse folders, read Markdown, view safe HTML artifacts, search your indexed content, and return to recently opened notes. Palmory stores your GitHub token in local secure storage on your device and keeps repository indexes and cached content local to the app. The current release focuses on viewing and search. It does not edit repository files, commit changes, push branches, resolve merge conflicts, or run a backend operated by GAVRRI. It also does not include ads, tracking, or paid features. Palmory is an independent app and is not affiliated with GitHub, Inc.
Screenshots
Verdict
The clearest difference is iOS requirement: Databag at 13.4 against Document Viewer's 16.4. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Databag ships an update fortnightly, Document Viewer every 2 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Databag | Document Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 45 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | Roland Osborne | GAVRRI |
In-app purchases
Databag
No in-app purchases
Document Viewer
No in-app purchases









