RLD Viewer vs Open Docs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RLD Viewer
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The RLD Viewer is a companion app to the RLD Database Platform.
Open Docs
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OpenDocs is a clean, local-first document viewer for the files you already have. Open PDFs, EPUB, MOBI, AZW3, Word, Excel, Markdown, text, CSV, JSON, XML, and RTF files from Files or other apps, then return to them with saved reading history. • Browse recent files by name, format, and favorites. • Read EPUB, MOBI, and AZW3 e-books with saved reading progress and adjustable text presentation. • Read text, Markdown, CSV, JSON, XML, and RTF in a focused viewer. • View PDFs with zoom and efficient page loading. • Preview DOCX and XLSX while keeping the native full-fidelity viewer path available. • Share documents or open them in another compatible app. • Choose light, dark, or system appearance, text size, wrapping, and resume position. OpenDocs does not require an account and includes no ads, analytics, or tracking SDKs. Document references and reading history stay on-device; document contents are not uploaded to OpenDocs or a remote conversion service. The optional Support the author screen loads a QR image from VietQR. Open your files simply, privately, and right when you need them.
Screenshots
Verdict
The clearest difference is update cadence: Open Docs at every 3 weeks against RLD Viewer's every 13 months. RLD Viewer's advantage is iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
RLD Viewer ships an update every 13 months, Open Docs every 3 weeks. The most recent releases landed on November 12, 2026 and November 6, 2026 respectively.
| Parameter | RLD Viewer | Open Docs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 0 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Real Life Data, Inc. | Ho Dung |
In-app purchases
RLD Viewer
No in-app purchases
Open Docs
No in-app purchases
Questions
Is RLD Viewer free?
Is Open Docs free?
Do RLD Viewer or Open Docs have ads?
Which is updated more often, RLD Viewer or Open Docs?
Other comparisons
