Comparison

AO 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

AO Office

This app provides a comprehensive office suite for mobile devices, allowing users to view, edit, import, and export a wide range of document types. It includes word processing, spreadsheet, presentation, drawing, and equation editing capabilities, mirroring the functionality of desktop office software.

Highlights
  • View, edit, import, and export documents
  • Word processor, spreadsheet, presentation tools
  • PDF export and import
  • Support for extensive file formats
  • Cloud storage integration
  • Recover unsaved work
Features
Read full description

AO Office is the world's first porting of OpenOffice for iOS and it's a powerful and complete office suite for OpenOffice / LibreOffice documents. You can view, edit, import, and export PDF, Word, Excel & PowerPoint documents using full features of the OpenOffice in the PC version. AO Office has 5 components: Writer: a word processor you can use for anything from writing a quick letter to producing an entire book. Calc: a powerful spreadsheet with all the tools you need to calculate, analyze, and present your data in numerical reports or graphics. Impress: the fastest, most powerful way to create effective multimedia presentations. Draw: lets you produce everything from simple diagrams to dynamic 3D illustrations. Math: lets you create mathematical equations with a graphic user interface or by directly typing your formulas into the equation editor. * AO Office is a forked project from the Apache OpenOffice project. AO Office is not affiliated with the Apache OpenOffice and LibreOffice projects. ■ Features ■ - View / edit / import / export documents - High reproducibility for Open Document Format - Export and import documents as PDF - Formatting paragraphs - Create stylized text with special effects - Support for extensive file formats - Support for embedded object - Support for Dropbox / iCloud Drive / Google Drive / OneDrive / Box - Support for NAS / WebDAV (Paid version only) - Support for Audio and Video - Support for recovering the unsaved work - Support for modern encryption ■ Supported File Formats ■ AO Office can open and save to: - Microsoft Word (DOC / DOT / RTF) - Microsoft Word 2007 (DOCX / DOTX / DOCM) - Microsoft Excel (XLS / XLT) - Microsoft Excel 2007 (XLSX / XLTX / XLSM) - Microsoft PowerPoint (PPT / POT) - Microsoft PowerPoint 2007 (PPTX / POTX / PPTM) - OpenDocument (ODT / ODS / ODP / ODG / ODF) - Portable Document Format (PDF) - OpenOffice.org1.0 / StarOffice6.0 (SXW / SXC / SXD / SXI / SXG / SXM) - Text (TXT / CSV / XML) - HyperText Markup Language (HTML) - Adobe Photoshop (PSD) - Scalable Vector Graphics (SVG) - Windows Metafile (EMF / WMF) - Tagged Image File Format (TIFF) - Data Interchange Format (DIF) - SYLK (SLK) - Portable Anymap Format (PBM / PGM / PPM) - OS/2 Metafile (MET) - Sun Raster Image (RAS) - Mac Pict (PCT) - X PixMap (XPM) - StarView Metafile (SVM) AO Office can open: - WordPerfect Document (WPD) - AutoCAD (DXF) - T602 Document (602) - Computer Graphics Metafile (CGM) - Truevision Targa (TGA) - X Bitmap (XBM) - Zsoft Paintbrush (PCX) - Kodak Photo CD (PCD) AO Office can save to: - PlaceWare (PWP) - Macromedia Flash (SWF) - JPG / GIF / PNG / BMP ■ Gesture Assignments ■ - Hard Press or 2 Finger Tap = Context Menu - Pinch In & Out = Zoom In & Out - Drag = Scrolling - Drag with Hard Press or 2 Finger Tap = Drag & Drop ■ Limitations ■ - Not supported for macro ■ Contact Us ■ Email: support-ios@aooffice.app Twitter: @office700 The paid version includes the following functions. · Remove ads · Access to cloud storages · Other useful functions

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

AO Office4 screens
OpenDocument Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: OpenDocument Reader at none against AO Office's 1. OpenDocument Reader also leads on rating (4.5 vs 4.3). AO Office's advantage is review sentiment (39% vs 30%) and iOS requirement (13 vs 15.0). On price, ratings volume, update cadence and ads 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. AO Office sells 1 one-off in-app purchase. OpenDocument Reader asks for nothing beyond the download.

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 — 1.5K and 902 respectively. Written reviews complicate that: 39% of AO Office'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

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

Scorecard5 real differences · 5 level
AO Office versus OpenDocument Reader: the parameters behind the verdict, then further details
ParameterAO OfficeOpenDocument Reader
PriceFreeFree
Rating4.3 (1.5K ratings)4.5 (902 ratings) — better
Positive reviews38.8% of reviews — better30.5% of reviews
Number of ratings1.5K — better902
Update frequencyEvery 5 weeksEvery 5 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.0
Further details — not scored
Size246 MB10 MB
Age rating4+4+
DeveloperAkikazu YoshikawaStefl und Taschauer OG

Customer experience

AO Office

All ratings1,496 ratings
Positive83.2%
Neutral5.1%
Negative11.7%
Written reviews289 reviews
Positive38.8%
Neutral14.5%
Negative46.7%

OpenDocument Reader

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

Bugs and requests

AO Office

Not enough reviews yet to summarise bugs or requests.

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

1 purchases

AO Office

One-time1
  • Professional Version$19.99
None

OpenDocument Reader

No in-app purchases

Questions

Is AO Office free?
AO 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, AO Office or OpenDocument Reader?
OpenDocument Reader is rated higher. AO Office averages 4.3 out of 5 from 1.5K ratings, while OpenDocument Reader averages 4.5 from 902 ratings.
Do AO Office or OpenDocument Reader have ads?
Both AO Office and OpenDocument Reader show ads.
Which is updated more often, AO Office or OpenDocument Reader?
AO Office ships an update every 5 weeks, and OpenDocument Reader every 5 weeks. Most recently, AO Office was updated on September 28, 2026 and OpenDocument Reader on September 27, 2026.

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