Comparison

PDF Reader vs OpenDocument Reader

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

Head to head
About

PDF Reader

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

Highlights
  • Liquid Mode for optimized mobile reading
  • Annotation tools (pencil, text, highlighting)
  • Handwritten signature insertion
  • File management (move, merge, copy, delete)
  • Cloud service integration (Wondershare, iCloud)
  • Create blank PDFs and folders
Features
Read full description

PDFelement - PDF Reader is a PDF reader using the latest technology. The newly connected Liquid Mode function allows you to enjoy the best reading experience. In addition, there are various annotation tools, file management, signature, Various functions such as cloud services can meet your PDF needs in work and study. PDF VIEWER • Liquid Mode gives you the best PDF reading experience • Star files to find them quickly • Easily locate recently accessed files in the "Recent" list. • Enter the page number to navigate to the desired page for viewing LIQUID MODE • Get the best PDF Reading experience with Liquid Mode • PDF document fully fits the mobile phone screen, no need to zoom in and out repeatedly. • Easily adjust brightness, font size,style, and spacing. ANNOTATE • Using Pencil to annotate like writing on the paper • Add text annotations, freely modify the text and background, border colors, choose the appropriate font and font size. • Supports many annotating tools like highlighting, underlining, squiggly lines, or strikethroughs. MANAGE • Move, merge, copy or delete files SIGNATURE • Enables handwritten signatures to be inserted anywhere within the document, while also offering the ability to zoom in and out for greater flexibility. • Built-in commonly used stamps CREATE • Quickly create completely blank PDF documents • Creat blank folders. SHARE • Sharing document content with others is just a click away with capture feature. • Select sentence(s) or pragraph(s) to share CLOUD SERVICE • PDF Reader supports uploading or downloading docs via computer, Wondershare document cloud and iCloud. Please note that this app only supports editing native PDF files. It does not support editing scanned or raster PDF. If you find you cannot edit text in PDF, please check if it is scanned PDF. Thank you! ---------------------------------------------------------------------------------------- Need HELP? Please contact us! We'll feedback to you ASAP. Email: pdfelement@wondershare.com Support Center: http://support.wondershare.com Forum: http://forum.pdf.wondershare.com Official Website: https://pdf.wondershare.com If you think this App helps you, your positive review in the App Store would be much appreciated.

About

OpenDocument Reader

View and edit ODT, ODS, and ODP files on your mobile device. Seamlessly open documents from cloud storage or your device's file explorer, with support for password-protected files and keyword searching. Enjoy offline access and basic editing capabilities.

Highlights
  • View ODT, ODS, ODP files
  • Basic document editing
  • Open from cloud storage
  • Password-protected document support
  • Keyword search and highlighting
  • Offline functionality
  • Print documents
Features
Read full description

Read documents created using LibreOffice or OpenOffice on the go, wherever you keep them, with the Document Reader! The file reader lets you open files like ODF (Open Document Format) documents created using LibreOffice or OpenOffice wherever you are. In the bus on your way to school wanting to look at your notes before the big exam? No problem! With the Document Reader you can open files wherever you like and read & search through your documents to go in a clean and simple way. There is a text editor in here as well, for the last typo before a document goes out. It is a young one and it does not reach every document yet, so the reader is what this app is for. New paragraphs, text and cell formatting and more ways to mark PDFs come with OpenDocument Reader Pro. You can open files from ODF (ODT, ODS & many more) that you have created with Libre Office or OpenOffice also from within other apps. Supported apps include GMail, Google Drive, iCloud, OneDrive, Nextcloud, Box.net, Dropbox and lots of others! Or use our integrated file explorer instead to open files on your device. THE ALL IN ONE DOCUMENT READER *open files with ODF: ODT (writer), ODS (calc), ODP and ODG without a hassle *fix typos, edit and colour spreadsheet cells, and highlight text in documents and PDFs *securely open password-protected documents *search for keywords in your ODT (writer), ODS (calc) or ODG and highlight them *print documents if your device is connected to a printer *read your documents in fullscreen to avoid distractions *select and copy text out of your documents *enjoy your documents even without internet connectivity - fully offline capable *read out aloud your documents using Text-To-Speech technology DOCUMENTS TO GO - WHEREVER YOU LIKE In addition to that, the document reader aims to support various other file formats as well as possible: - Portable Document Format (PDF) - Archives: ZIP - Images: JPG, JPEG, GIF, PNG, WEBP, TIFF, BMP, SVG, etc - Videos: MP4, WEBM, etc - Audio: MP3, OGG, etc - Text files: CSV, TXT, HTML, MD, RTF - Microsoft Office (OOXML): Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX) - Apple iWork: Pages, Numbers, Keynote - Libre Office and Open Office ODF (ODT, ODS, ODP, ODG, FODT, FODS, FODP, FODG) This app is open source. We are not affiliated with OpenOffice, LibreOffice or similar. Made in Austria. Ads are shown in order to support the development of this app. They are free to remove temporarily via the in-app menu. We highly appreciate all kinds of feedback via email. ODF is the format used by office suites like Open Office and Libre Office. Text documents (Writer, ODT), as well as spreadsheets (Calc, ODS) and also presentations (Impress, ODP) are supported, including complex formatting and embedded images. Graphs are no problem either. If you want to secure your data you can even open password-protected documents. Other applications that are using this format are LibreOffice, OpenOffice, NeoOffice, StarOffice, Go-oo, IBM Workplace, IBM Lotus Symphony, ChinaOffice, AndrOpen Office, Co-Create Office, EuroOffice, KaiOffice, Jambo OpenOffice, MagyarOffice, MultiMedia Office, MYOffice, NextOffice, OfficeOne, OfficeTLE, OOo4Kids, OpenOfficePL, OpenOfficeT7, OxOffice, OxygenOffice, Pladao Office, PlusOffice, RedOffice, RomanianOffice, SunShine Office, ThizOffice, UP Office, White Label Office, WPS Office Storm, Libre Office, Collabora Office and 602Office.

Screenshots

PDF Reader4 screens
OpenDocument Reader4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Reader at 77% against OpenDocument Reader's 30%. PDF Reader also leads on ads (none vs shown) and monetization model (free vs ad-supported). OpenDocument Reader's advantage is rating (4.5 vs 4.3) and update cadence (every 4 weeks vs every 2 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OpenDocument Reader holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 3.9K and 905 respectively. Written reviews complicate that: 77% of PDF Reader's written reviews are positive against 30% of OpenDocument Reader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, OpenDocument Reader every 4 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

Scorecard6 real differences · 4 level
PDF Reader versus OpenDocument Reader: the parameters behind the verdict, then further details
ParameterPDF ReaderOpenDocument Reader
PriceFreeFree
Rating4.3 (3.9K ratings)4.5 (905 ratings) — better
Positive reviews76.7% of reviews — better30.1% of reviews
Number of ratings3.9K — better905
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size173 MB10 MB
Age rating4+4+
DeveloperWondershare Technology (Hunan) Co.,Ltd.Stefl und Taschauer OG

Customer experience

PDF Reader

All ratings3,923 ratings
Positive83.1%
Neutral3.2%
Negative13.7%
Written reviews1,582 reviews
Positive76.7%
Neutral6.1%
Negative17.2%

OpenDocument Reader

All ratings905 ratings
Positive86.9%
Neutral5.4%
Negative7.7%
Written reviews83 reviews
Positive30.1%
Neutral7.2%
Negative62.7%

User reviews

PDF Reader

From 3.9K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient PDF editing
  • 💡 Useful annotation tools
  • 🚀 Convenient for students/professionals
  • 👍 Great value for free app

Room to improve

  • 🐛 Crashes and glitches
  • 🔒 Privacy concerns with account requirement
  • 👎 Unintuitive user interface
  • 🐛 Unreliable saving/syncing
  • 👎 Limited functionality compared to paid version

OpenDocument Reader

From 905 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Fast file opening
  • 💡 Good ODT reader

Room to improve

  • 🐛 Corrupted files upon editing
  • 🐛 Presentation issues with formatting and features
  • 🐛 Inability to edit spreadsheets properly

Bugs and requests

PDF Reader

Reported bugs

4 issues
  • Text boxes appearing randomly
  • Inability to select/edit text in some PDFs
  • Scrolling issues and page loading delays
  • Incompatibility with certain PDF formats

Requested features

5 requests
  • Ability to edit text formatting (font, size, color)
  • Support for multiple open documents
  • Improved Apple Pencil integration
  • Bookmark/favorite feature for frequently used PDFs
  • Expanded cloud storage integration (OneDrive, Google Drive, etc.)

OpenDocument Reader

Reported bugs

3 issues
  • Corrupted files
  • Formatting issues
  • Crashes and app closing issues

Requested features

3 requests
  • Dark mode option
  • Better spreadsheet editing capabilities
  • Improved file format compatibility

In-app purchases

None

PDF Reader

No in-app purchases

None

OpenDocument Reader

No in-app purchases

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is OpenDocument Reader free?
OpenDocument Reader is free to download, with no in-app purchases.
Which has better reviews, PDF Reader or OpenDocument Reader?
OpenDocument Reader is rated higher. PDF Reader averages 4.3 out of 5 from 3.9K ratings, while OpenDocument Reader averages 4.5 from 905 ratings.
Do PDF Reader or OpenDocument Reader have ads?
OpenDocument Reader shows ads; PDF Reader does not.
Which is updated more often, PDF Reader or OpenDocument Reader?
PDF Reader ships an update every 2 months, and OpenDocument Reader every 4 weeks. Most recently, PDF Reader was updated on October 8, 2026 and OpenDocument Reader on October 6, 2026.

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