# OnePreview vs SoloMD

The clearest difference is rating: OnePreview at 5.0 against SoloMD's 1.0. SoloMD's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OnePreview holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OnePreview | SoloMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onepreview-file-viewer/id6760284919/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/solomd/id6762498874/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 9 MB | 20 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [培克 罗](https://appshunter.io/developer/1516557687) | [向东 李](https://appshunter.io/developer/1885418034) |

## What reviewers say

### OnePreview

[App page](https://appshunter.io/ios/app/onepreview-file-viewer/id6760284919)

This app allows you to preview and interact with various developer file formats, including Markdown, code, databases, and archives, directly on your iPhone and iPad. It offers local processing for speed and privacy, with features like PDF export and structured data inspection.

**Highlights:** Markdown and MDX rendering, JSON, YAML, XML, CSV, TSV, TOML, ENV parsing, SQLite database inspection, Source code and log viewing, ZIP and TAR.GZ archive content preview, Mermaid diagrams and KaTeX math rendering, A4 PDF export for Markdown files

**Features:** Vision Pro support

**In-app purchases:** none


### SoloMD

[App page](https://appshunter.io/ios/app/solomd/id6762498874)

A distraction-free Markdown editor for iPad, focusing on writing with live preview, rich syntax, and export options. Your notes are stored locally as plain text files.

**Highlights:** Distraction-free writing environment, Live Markdown preview, KaTeX math and Mermaid diagram support, Multiple export formats (HTML, PDF, DOCX), File tree and outline view, Focus and typewriter modes, Split-view and multitasking support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OnePreview free?

OnePreview is free to download, with no in-app purchases.

### Is SoloMD free?

SoloMD is free to download, with no in-app purchases.

### Which has better reviews, OnePreview or SoloMD?

OnePreview is rated higher. OnePreview averages 5.0 out of 5 from 1 ratings, while SoloMD averages 1.0 from 1 ratings.

### Do OnePreview or SoloMD have ads?

Neither OnePreview nor SoloMD shows ads.

### Which is updated more often, OnePreview or SoloMD?

OnePreview ships an update weekly, and SoloMD weekly. Most recently, OnePreview was updated on October 18, 2026 and SoloMD on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*