# OnePreview vs OpenFile

The clearest difference is in-app purchases: OnePreview at none against OpenFile's 2. OnePreview also leads on iOS requirement (17.0 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OpenFile sells 2 in-app purchases, starting at $2.99 per month. OnePreview asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OnePreview against 5.0 for OpenFile. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | OnePreview | OpenFile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/onepreview/id6760284919/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/openfile-preview-any-file/id6761735517/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 113 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [培克 罗](https://appshunter.io/developer/1516557687) | [Life Utility Apps, LLC](https://appshunter.io/developer/1721977600) |

## What reviewers say

### OnePreview

[App page](https://appshunter.io/ios/app/onepreview/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


### OpenFile

[App page](https://appshunter.io/ios/app/openfile-preview-any-file/id6761735517)

Instantly preview over 100 file formats on your iPhone or iPad without uploads or accounts. Explore 3D models, code, documents, databases, and more with built-in developer tools for advanced file analysis. Prioritizes privacy with on-device processing.

**Highlights:** Preview 100+ file formats, On-device processing, no uploads, Interactive 3D model viewer, Syntax highlighting for code, Browse and query SQLite databases, Built-in developer tools (Hex Inspector, Compare Files), Integrates with Files app and Share Sheet

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is OnePreview free?

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

### Is OpenFile free?

OpenFile is free to download, with in-app purchases available.

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

OnePreview and OpenFile are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do OnePreview or OpenFile have ads?

Neither OnePreview nor OpenFile shows ads.

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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.*