Comparison

Polaris Office 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

Polaris Office

Create, edit, and share documents, spreadsheets, and presentations across multiple devices. This all-in-one office suite offers PDF viewing and conversion, with seamless cloud integration and collaboration features.

Highlights
  • Edit and save documents in various formats
  • View and convert PDFs
  • Sync across desktop, iPhone, and iPad
  • Share documents via link
  • Supports 18 global languages
  • Integrated cloud storage options
Features
Read full description

Create, edit, save and share your files with the best office app of iOS, used by 100 million users all over the world. Experience New All-in-One Complete Office Suite compatible with Word, Excel, PowerPoint and Adobe PDF "Best App" awarded by iTunes App Store. [ Features ] • Edit and save documents in various file formats Under 100 MB size. Just one application enough for all different type of documents. - Open, edit, save and share all kinds of office documents such as Word, Excel, Power Point, and Google Docs with one iOS app. - View PDFs right from your iPhone and iPad. Convert PDF into Office documents and edit them. • Convenient usability Quick and Easy Access for Anytime, Anywhere and Any device. - Across all devices like Desktop, iPhone and iPad, Keep your all documents always up-to-date in sync via Polaris Drive, iCloud and other cloud service. - Edit file easily with Split View. - Powerful search function will save your time to expand your search terms not just filename. - Save frequent template in My Template folder. You can make your own template anytime. - Without extracting zip files on iPhone and iPad, you can easily open and read all type of documents. • Share documents quickly, easily Share documents easily and invite others quickly to edit or view documents. - Just simply sharing the link of documents with our cloud storage via SMS, email, Facebook and other channels. • Other support available - Supported File Formats : DOC, DOCX, XLS, XLSX, PPT, PPTX, PPS, PPSX, TXT, HWP, HWPX, ODT and PDF. (NEW) Now we support CSV format. - Free Available for 33 templates, 20 various 2D/3D charts, 37 slide transition effects, 173 different shapes and 300 formulas for spreadsheet. - Supporting 18 global languages including English, French, Simplified Chinese, Japanese, Russian, German, Italian, Spanish, Polish, Portuguese (Europe, Brazil), etc. - Polaris Drive is a default cloud but also available other cloud service such as iCloud, Google Drive, Dropbox, OneDrive, Box, WebDAV, FTP for 24 hours, 365 days. - Polaris Office has earned ISO 27001 certification for International Cloud Privacy Standard. [Payment plan and auto-subscription] • Polaris Office is free all-in-one office suite but some features can be limited by your cloud usage or your subscription option. • Smart Plan : $3.99/month & $39.99/year • Pro Plan : $5.99/month & $59.99/year • AI Plan ($12.99/month & $129.99/year) • AI-Plus Plan ($20.99/month & $209.99/year) • Remove Ads : $10.99 • Recurring payment and plan subscriptions are charged to Apple Store account. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Subscriptions can be managed at App Store account setting. Auto-renewal may be turned off by going to user’s Account Settings. [Note] • Support : [Application] -[Settings] - [Customer Support] or [Official Site] – [Support] • Customer Support : support@polarisoffice.com • Terms of Service : https://www.polarisoffice.com/en/terms • Privacy Policy : https://www.polarisoffice.com/en/privacy * How to change sharing option Settings > Privacy > Allow additional permissions Select category > Revoke access to Polaris Office

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 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 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

Polaris Office4 screens
OpenDocument Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: OpenDocument Reader at none against Polaris Office's 14. Polaris Office's advantage is review sentiment (63% vs 30%). On price, rating, ratings volume and update cadence 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. Polaris Office sells 13 in-app purchases, starting at $3.99 per month. OpenDocument Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Polaris Office against 4.5 for OpenDocument Reader. Both are backed by a comparable volume of ratings — 2.5K and 902 respectively. Written reviews are what separate them: 63% of Polaris Office's written reviews are positive against 30% of OpenDocument Reader's.

UpkeepUpdate frequency

Polaris Office ships an update every 4 weeks, OpenDocument Reader every 5 weeks. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Polaris Office versus OpenDocument Reader: the parameters behind the verdict, then further details
ParameterPolaris OfficeOpenDocument Reader
PriceFreeFree
Rating4.4 (2.5K ratings)4.5 (902 ratings) — better
Positive reviews62.6% of reviews — better30.5% of reviews
Number of ratings2.5K — better902
Update frequencyEvery 4 weeks — betterEvery 5 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size243 MB10 MB
Age rating4+4+
DeveloperPolaris Office Corp.Stefl und Taschauer OG

Customer experience

Polaris Office

All ratings2,475 ratings
Positive85.5%
Neutral4.2%
Negative10.3%
Written reviews1,662 reviews
Positive62.6%
Neutral7.7%
Negative29.7%

OpenDocument Reader

All ratings902 ratings
Positive86.9%
Neutral5.4%
Negative7.6%
Written reviews82 reviews
Positive30.5%
Neutral7.3%
Negative62.2%

User reviews

Polaris Office

From 2.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient document editing
  • 💡 Good alternative to Microsoft Office
  • 🔒 Secure file storage and sync

Room to improve

  • 🐛 Frequent crashes and data loss
  • 💸 Aggressive monetization with ads and subscriptions
  • 🔍 Difficult to navigate and find features
  • 🔌 Drains device battery quickly

OpenDocument Reader

From 902 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

Polaris Office

Reported bugs

4 issues
  • Documents not saving properly
  • Syncing issues between devices
  • Compatibility problems with newer iOS versions
  • Formatting issues when exporting to PDF

Requested features

4 requests
  • Add support for more file formats
  • Improve offline document editing capabilities
  • Provide better integration with cloud storage services
  • Introduce a dark mode option

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

13 purchases

Polaris Office

Subscriptions11
  • Premium Service7 Days trial$3.991 Month
  • Smart Service$3.991 Month
  • Pro Service$5.991 Month
Show 8 more
  • AI Service1 Month trial2 variants$12.991 Month
  • AI Service$12.991 Month
  • AI-Plus Service$20.991 Month
  • Premium Service1 Month trial$39.991 Year
  • Smart Service$39.991 Year
  • Pro Service$59.991 Year
  • AI Service1 Year trial$129.991 Year
  • AI-Plus Service$209.991 Year
One-time2
  • Remove Ads(30 days)$1.99
  • Remove Ads$10.99
None

OpenDocument Reader

No in-app purchases

Questions

Is Polaris Office free?
Polaris Office is free to download, with in-app purchases available.
Is OpenDocument Reader free?
OpenDocument Reader is free to download, with no in-app purchases.
Which has better reviews, Polaris Office or OpenDocument Reader?
OpenDocument Reader is rated higher. Polaris Office averages 4.4 out of 5 from 2.5K ratings, while OpenDocument Reader averages 4.5 from 902 ratings.
Do Polaris Office or OpenDocument Reader have ads?
Both Polaris Office and OpenDocument Reader show ads.
Which is updated more often, Polaris Office or OpenDocument Reader?
Polaris Office ships an update every 4 weeks, and OpenDocument Reader every 5 weeks. Most recently, Polaris Office was updated on September 29, 2026 and OpenDocument Reader on September 27, 2026.

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