Management Module vs OnePreview
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
Management Module
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OnePreview
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Open Markdown and developer files in OnePreview on iPhone and iPad. OnePreview renders GitHub-style Markdown, MDX, TextBundle and TextPack packages, JSON, JSONL, YAML, XML, CSV, TSV, TOML, ENV, SQLite databases, source code, plain text, logs, and ZIP and TAR.GZ archives. In Files, long-press a supported document, choose Open With, then select OnePreview. A normal tap may use Apple's built-in preview for common file types. Inside OnePreview, switch between rendered Markdown and source, view Mermaid diagrams and KaTeX math with bundled assets, inspect structured data and SQLite schemas, and check archive contents before extracting. Built for developer workflows, AI-generated files, documentation review, and everyday file browsing. Processing is fast, local-first, and does not require an account.
Screenshots
Verdict
The clearest difference is update cadence: OnePreview at every 2 weeks against Management Module's every 6 weeks. Management Module's advantage is iOS requirement (14.0 vs 17.0). 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.
Management Module ships an update every 6 weeks, OnePreview every 2 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.
| Parameter | Management Module | OnePreview |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 2 weeks â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 â better | 17.0 |
| Further details â not scored | ||
| Size | 15 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Rocket Data Technology Limited | ĺšĺ ç˝ |
In-app purchases
Management Module
No in-app purchases
OnePreview
No in-app purchases
Questions
Is Management Module free?
Is OnePreview free?
Do Management Module or OnePreview have ads?
Which is updated more often, Management Module or OnePreview?
Other comparisons
