# ONLYOFFICE Documents vs HTML Viewer Editor Convert PDF

The clearest difference is review sentiment: ONLYOFFICE Documents at 51% against HTML Viewer Editor Convert PDF's 0%. ONLYOFFICE Documents also leads on rating (3.6 vs 1.0) and in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HTML Viewer Editor Convert PDF sells 2 in-app purchases, starting at $4.99 per 7 days. ONLYOFFICE Documents asks for nothing beyond the download.

ONLYOFFICE Documents holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: ONLYOFFICE Documents has 157 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of ONLYOFFICE Documents's written reviews are positive against 0% of HTML Viewer Editor Convert PDF's.

ONLYOFFICE Documents ships an update every 6 weeks, HTML Viewer Editor Convert PDF every 9 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ONLYOFFICE Documents | HTML Viewer Editor Convert PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (157 ratings)](https://appshunter.io/ios/app/onlyoffice-documents/id944896972/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/html-viewer-editor-convert-pdf/id6755111609/reviews) |
| Number of ratings | **157** | 1 |
| Positive reviews | **51.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 417 MB | 47 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ascensio System SIA](https://appshunter.io/developer/670964143) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## What reviewers say

### ONLYOFFICE Documents

[App page](https://appshunter.io/ios/app/onlyoffice-documents/id944896972)

Create and edit documents, spreadsheets, and presentations on your mobile device. Collaborate in real-time with teammates or external partners, and connect to your preferred cloud storage. Scan paper documents and convert them into editable files.

**Highlights:** Real-time collaboration, Document, spreadsheet, and presentation editors, Wide format compatibility, Cloud storage integration, PDF form filling, Document scanning and conversion

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Good MS Office compatibility
- 🔒 Privacy-focused
- 💡 Useful for basic document editing
- 👍 Clean and polished design

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🐛 Bugs with text input and formatting
- 🐛 Unreliable file saving and syncing
- 🔋 Performance and battery drain problems
- 🔒 Lacks integration with popular cloud services

**Reported bugs**

- Inability to open and edit existing documents
- Compatibility issues with older iOS versions
- Problems with Nextcloud and other cloud service connections
- Cursor and text input bugs when using external keyboards

**Requested features**

- Add support for traditional Chinese language
- Improve keyboard and external input device support
- Implement autosave and version history features
- Integrate with iCloud, OneDrive, and other cloud storage
- Expand formatting and editing capabilities


### HTML Viewer Editor Convert PDF

[App page](https://appshunter.io/ios/app/html-viewer-editor-convert-pdf/id6755111609)

This app allows users to instantly open, view, and edit HTML files directly on their device. It offers features like JavaScript toggling, dark mode, and conversion to PDF, ensuring privacy and speed with on-device processing.

**Highlights:** Instant HTML file opening, JavaScript toggling and dark mode, Search and inspect HTML source, Convert HTML to PDF, Bulk PDF conversion, Built-in HTML editor with live preview, On-device processing for privacy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HTML Viewer Pro Weekly Sub | $4.99 | per 7 days |
| HTML Viewer Lifetime Pro Access | $14.99 | one-time |


## Frequently asked questions

### Is ONLYOFFICE Documents free?

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

### Is HTML Viewer Editor Convert PDF free?

HTML Viewer Editor Convert PDF is free to download, with in-app purchases available.

### Which has better reviews, ONLYOFFICE Documents or HTML Viewer Editor Convert PDF?

ONLYOFFICE Documents is rated higher. ONLYOFFICE Documents averages 3.6 out of 5 from 157 ratings, while HTML Viewer Editor Convert PDF averages 1.0 from 1 ratings.

### Do ONLYOFFICE Documents or HTML Viewer Editor Convert PDF have ads?

Neither ONLYOFFICE Documents nor HTML Viewer Editor Convert PDF shows ads.

### Which is updated more often, ONLYOFFICE Documents or HTML Viewer Editor Convert PDF?

ONLYOFFICE Documents ships an update every 6 weeks, and HTML Viewer Editor Convert PDF every 9 months. Most recently, ONLYOFFICE Documents was updated on October 1, 2026 and HTML Viewer Editor Convert PDF on September 30, 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.*