Comparison

ONLYOFFICE Documents vs HTML Viewer Editor Convert PDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ONLYOFFICE Documents

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
Read full description

ONLYOFFICE Documents - Your mobile office for iOS ONLYOFFICE Docs for iOS is a free office app allowing you to create and edit documents, spreadsheets, presentations, forms, and PDFs on your iPhone or iPad. Work locally or connect the app to your favourite cloud: ONLYOFFICE DocSpace or Workspace, Dropbox, Box, iCloud, Nextcloud, ownCloud, or kDrive. ONLYOFFICE Documents for iOS offers wide format compatibility from MS Office formats (DOCX, XLSX, PPTX) to Apple files (Pages, Numbers, Keynote), Hangul Word Processor formats (HWP, HWPX), ODG drawings, Markdown files, and even media files. Connect to your DocSpace hub to collaborate with your teammates in real time. Leave comments, track changes, manage versions, and assign flexible permissions for viewing, commenting, or editing. You can also share documents with external collaborators via link, accept or reject their changes, and fill out role-based forms in secure Virtual Data Rooms (VDRs). Scan paper documents with your camera, extract text, and convert them into editable files. With powerful collaboration features and superb format compatibility, ONLYOFFICE Documents helps you stay connected and efficient on the go. Key features for better produсtivity Real-time collaboration • Comment, track and review changes • Fill out role-based forms in VDR • Control access with read, review, or full rights • Easy sharing, even with external collaborators Document Editor • Insert tables, autoshapes, images, charts • Recognize handwritten text to create notes • Add graphic annotations and markup • Insert footnotes, endnotes, page numbers, section breaks • Set font type, size, and colour • Change text wrapping • Protect documents with a password Spreadsheet Editor • Select, cut, copy, paste data • Set font type, size, and colour. • Apply cell style, add cell borders, align data in cells • Wrap text in a cell. • Insert tables, autoshapes, images, charts, formulas • Resize, move, rotate objects, reshape autoshapes • Add annotations and free-hand drawings • Protect spreadsheets with a password • Sort and filter data • Work collaboratively on spreadsheets Presentation Editor • Mobile presentation viewer • Select, cut, copy, paste text and objects • Change slide layout, background, parameters, theme • Apply transitions • Insert tables, autoshapes, images, charts • Add annotations and free-hand drawings • Create lists • Discuss slides in real-time • Protect presentations with a password • Download and print presentations PDF form filler • Open and fill out forms stored on your device. • Use ready templates from the template library • Protect forms with a password • Export ready forms in DOCX or PDF. Why Choose ONLYOFFICE Documents? • No need to install additional apps for editing docs • Clear, user-friendly interface • Work anywhere, anytime • Robust collaboration tools • Support for all key document formats • Absolutely free • No ads or in-app purchases Enjoy smooth editing and seamless document collaboration with ONLYOFFICE Documents. Your mobile office is just one tap away—download it today! Download Now

About

HTML Viewer Editor Convert PDF

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
Read full description

Meet HTML Viewer — a fast, elegant html viewer built for people who work with HTML every day. Open local files instantly, switch JS on/off, read comfortably in dark mode, convert to PDF in seconds, and share with confidence. No servers, no waiting — everything is processed on your device for speed and privacy. Why this html viewer stands out Instant open: Load any local .html file or paste HTML and preview immediately in a true html viewer. Precision rendering: Toggle JavaScript on/off, adjust font size and line-height, zoom, and invert for a comfortable dark view — the html viewer adapts to you. Search & inspect: Find-in-page and view source so you can locate and understand content fast, right inside the html viewer. Export to PDF: Turn on‑device rendering into clean PDFs — directly from the html viewer — and share or archive with one tap. Bulk convert: Pick multiple HTML files and convert them to PDFs with progress feedback, then open each result from the list when you’re ready. Built‑in editor: Edit HTML with a live preview, search the code, share the updated HTML, or export a polished PDF — without leaving the html viewer environment. On‑device processing: Your files stay on your device. The html viewer keeps your documents private and responsive. Modern iOS design: A refined, glass‑like interface that makes your html viewer feel premium and effortless. What you can do today Open local HTML files and paste HTML for instant preview in the html viewer Toggle JavaScript, enable dark reading, and fine‑tune typography Search within the page and view source Export single HTML to PDF or bulk convert multiple files Edit HTML with a live preview; share HTML or export to PDF Who it’s for Anyone who needs a reliable html viewer to open and read HTML files quickly Creators and professionals who convert HTML to clean PDFs often Power users who want an html viewer to edit, preview, and share — all in one place Privacy and performance Everything is processed on your device; the html viewer is optimized for speed and designed to respect your files. 'We offer a 3 days free-trial followed by a weekly 4.99 USD plan. And also we offer a lifetime plan to have premium access forever with 14,99 USD. Terms of use EULA: https://sites.google.com/view/xmleula/home Privacy Policy: https://sites.google.com/view/odtconverterreader/home

Screenshots

ONLYOFFICE Documents4 screens
HTML Viewer Editor Convert PDF3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
ONLYOFFICE Documents versus HTML Viewer Editor Convert PDF: the parameters behind the verdict, then further details
ParameterONLYOFFICE DocumentsHTML Viewer Editor Convert PDF
PriceFreeFree
Rating3.6 (157 ratings) — better1.0 (1 ratings)
Positive reviews51.1% of reviews — better0.0% of reviews
Number of ratings157 — better1
Update frequencyEvery 6 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size417 MB47 MB
Age rating4+4+
DeveloperAscensio System SIANEURASYNC

Customer experience

ONLYOFFICE Documents

All ratings143 ratings
Positive62.9%
Neutral7.0%
Negative30.1%
Written reviews466 reviews
Positive51.1%
Neutral17.4%
Negative31.5%

HTML Viewer Editor Convert PDF

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

ONLYOFFICE Documents

Reported bugs

4 issues
  • 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

5 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ONLYOFFICE Documents

No in-app purchases

2 purchases

HTML Viewer Editor Convert PDF

Subscriptions1
  • HTML Viewer Pro Weekly Sub3 Days trial$4.997 Days
One-time1
  • HTML Viewer Lifetime Pro Access$14.99

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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