AO Office Pro vs MobiPDF・PDF Text Editor・Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AO Office Pro
This app provides a comprehensive office suite for mobile devices, enabling users to view, edit, import, and export a wide range of document types. It includes tools for word processing, spreadsheets, presentations, drawing, and mathematical equations, mirroring the functionality of desktop office software.
- View, edit, import, and export documents
- Full OpenOffice/LibreOffice functionality
- Writer, Calc, Impress, Draw, and Math components
- PDF export and import
- Cloud storage integration (Dropbox, Google Drive, etc.)
- Support for numerous file formats
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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 / NAS / WebDAV - Support for Audio and Video - Support for recovering the unsaved work - Support for modern encryption - Support for Markdown documents ■ 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) - Markdown (MD / MARKDOWN) - 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
MobiPDF・PDF Text Editor・Reader
Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.
- Scan documents to editable PDFs
- Recognize text with OCR
- Edit text, images, and signatures
- Fill and sign forms
- Convert PDFs to Word, Excel, PowerPoint, ePub
- Protect PDFs with passwords
- Organize and merge PDF pages
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MobiPDF is a complete mobile PDF suite that helps freelancers, remote workers, and small business owners scan, edit, sign, convert, and protect PDF files — also ideal for students and anyone needing a powerful yet simple PDF tool — all from one intuitive app on iPhone and iPad. KEY CAPABILITIES • Edit PDFs like a pro — modify text, images, and formatting directly in any PDF, and fully control your pages: rearrange, insert, delete, extract, duplicate, rotate, and merge PDFs into one • Scan paper documents to PDF with your camera — receipts, contracts, invoices, IDs, passports, and more • Convert PDFs to Word, Excel, and ePub while preserving original layout and formatting — and convert Word, Excel, PowerPoint, PNG, and JPEG files to PDF for easy sharing • Fill out and sign PDF forms and contracts on the go — draw or reuse saved electronic signatures • Recognize text from scans and images using OCR technology and share instantly • Read PDFs your way — multiple reading modes including distraction-free reading, night mode, and Read Aloud to listen to any PDF hands-free while driving, commuting, or on the go • View, highlight, annotate, and mark up PDFs — add comments, stamps, drawings, and attachments • Protect sensitive documents with passwords, encryption, and digital certificates • Store and sync via 5GB free cloud storage on MobiDrive, plus Google Drive and Dropbox USE CASES • Edit the text, images, or layout of a PDF contract or report directly on your iPhone or iPad — no desktop needed • Convert a PDF to Word to make extensive edits, then save back to PDF for sharing • Scan a paper document, recognize its text with OCR, and convert it into a fully editable PDF • Scan a paper contract, sign it on your iPhone or iPad, and send it back — without printing • Fill out a client form or invoice PDF on the go, directly from your phone • Have a PDF report, contract, or document read aloud during your commute or drive • Merge multiple PDFs into one organized proposal, report, or portfolio • Protect a sensitive business document with a password before sharing with a client • Students: scan handwritten notes or assignments and submit them as PDFs instantly • Review, annotate, and mark up PDF documents on iPad's larger screen for a near-desktop experience WHY MOBIPDF • Advanced mobile PDF editor — edit text, images, formatting, and pages directly in any PDF • Complete PDF converter — reliably convert PDFs to and from Word, Excel, PNG, and JPEG, plus PowerPoint to PDF and PDF to ePub • All-in-one solution — edit, scan, sign, convert, protect, read, and organize without switching apps • Purpose-built for iPhone and iPad — intuitive mobile-first experience • Read Aloud turns any PDF into audio — stay informed while commuting or multitasking • Advanced OCR turns any scan or image into searchable, shareable text • Electronic signatures and fillable forms — no printing or faxing needed • Simple and intuitive — accessible for all ages and experience levels • Trusted by millions of MobiSystems users worldwide PREMIUM • Full PDF editing — modify text, images, and formatting in any PDF • Full PDF conversion suite — PDF to and from Word, Excel, PNG, JPEG, plus PowerPoint to PDF and PDF to ePub • 50GB cloud storage on MobiDrive • Advanced annotation, markup tools, and night mode • Password protection and digital certificate support TL;DR MobiPDF is the go-to mobile PDF suite for freelancers, remote workers, and small business owners — offering powerful PDF editing, reliable conversion to and from all major formats, scanning, signing, and Read Aloud, all in one intuitive app optimized for iPhone and iPad. Help Centre: https://support.mobisystems.com/hc/en-us/sections/20794399449757-iOS Privacy Policy: https://mobisystems.com/en-us/privacy-policy Terms of Use: https://mobisystems.com/en-us/terms-of-use
Screenshots
Verdict
The clearest difference is price: MobiPDF・PDF Text Editor・Reader at Free against AO Office Pro's $19.99. MobiPDF・PDF Text Editor・Reader also leads on rating (4.8 vs 4.2) and review sentiment (83% vs 52%). AO Office Pro's advantage is in-app purchases (none vs 17) and iOS requirement (13.0 vs 18.0). On update cadence, ads and device support 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
MobiPDF・PDF Text Editor・Reader is free to download; AO Office Pro costs $19.99 up front. MobiPDF・PDF Text Editor・Reader sells 13 in-app purchases, starting at $7.99 per 7 days. AO Office Pro asks for nothing beyond the download.
MobiPDF・PDF Text Editor・Reader holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: MobiPDF・PDF Text Editor・Reader has 7.6K ratings behind it against 165, so its average is the more settled of the two. Written reviews point the same way: 52% of AO Office Pro's written reviews are positive against 83% of MobiPDF・PDF Text Editor・Reader's.
AO Office Pro ships an update every 6 weeks, MobiPDF・PDF Text Editor・Reader monthly. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.
| Parameter | AO Office Pro | MobiPDF・PDF Text Editor・Reader |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 4.2 (165 ratings) | 4.8 (7.6K ratings) — better |
| Positive reviews | 52.1% of reviews | 82.5% of reviews — better |
| Number of ratings | 165 | 7.6K — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | — | #91 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 239 MB | 216 MB |
| Age rating | 4+ | +4 |
| Developer | Akikazu Yoshikawa | MobiSystems, Inc. |
Customer experience
AO Office Pro
MobiPDF・PDF Text Editor・Reader
Bugs and requests
AO Office Pro
Not enough reviews yet to summarise bugs or requests.
MobiPDF・PDF Text Editor・Reader
Reported bugs
4 issues- Text editing issues
- Image fields in forms don't work
- Incompatible with dynamic PDFs
- Activation issues
Requested features
4 requests- Add snap tool for cleaner documents
- Improve font sync
- Offer one-time purchase option
- Develop a Mac OS version
In-app purchases
AO Office Pro
No in-app purchases
MobiPDF・PDF Text Editor・Reader
- PDF Extra Premium$7.997 Days
- PDF Extra Premium Weekly$7.997 Days
- PDF Extra Premium 2023 Weekly7 Days trial$7.997 Days
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- PDF Extra Premium Weekly7 Days trial$7.997 Days
- PDF Extra Premium2 variants$9.991 Month
- PDF Extra Premium 2023 Weekly7 Days trial$9.997 Days
- Weekly Unlimited Access7 Days trial3 variants$9.997 Days
- PDF Extra Premium 2023 Monthly$12.991 Month
- PDF Extra Premium Yearly7 Days trial$24.991 Year
- PDF Extra Premium3 Days trial$29.991 Year
- PDF Extra Premium Yearly3 Days trial2 variants$49.991 Year
- PDF Extra Premium3 Days trial$49.991 Year
- Yearly Unlimited Access3 Days trial$49.991 Year
Questions
Is AO Office Pro free?
Is MobiPDF・PDF Text Editor・Reader free?
Which has better reviews, AO Office Pro or MobiPDF・PDF Text Editor・Reader?
Do AO Office Pro or MobiPDF・PDF Text Editor・Reader have ads?
Which is updated more often, AO Office Pro or MobiPDF・PDF Text Editor・Reader?
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