Comparison

Pst Mail vs ONLYOFFICE Documents

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

Head to head
About

Pst Mail

Access your Outlook emails offline by transferring PST files to your device. Browse, search, and manage your messages without an internet connection. View attachments, reply to emails, and even access contacts stored within the PST file.

Highlights
  • Open multiple PST files
  • Transfer PST files via iTunes or Dropbox
  • Search messages by sender, subject, text, and date
  • View and open email attachments
  • Reply and forward messages
  • Display PST file contacts
  • Password protection
Features
Read full description

Transfer Outlook pst files to your device, and have access to your messages. Save money on your data plan, as no connection to the server is necessary to read stored emails. Some of the features in Pst Mail are: * Open multiple pst files. * Get pst files quickly using iTunes. * Get pst files from Dropbox. * Get pst files from other apps that support “Open In”. * Search messages by sender, recipient, subject, attachment filename or full message text. You may specify a date range to narrow results. Subfolders may be included in the search. * Select sort criteria for the message list. * Use a different sort criterion for the special folder that contains sent items. * Filter messages by from/to/subject or all of them combined. * Open attachments externally with other apps in you device, or if the file format is supported, using Pst Mail preview option. * Reply and forward messages. * Link recipient names to the address book * Compatible with both old and new versions of the pst file (i.e., ANSI and Unicode). * Print emails wirelessly (iOS 4.2 or later). * Customize timezone for date and time display. * Display contacts in the pst file. * Option to protect Pst Mail with a password. * Option to exclude pst files from the iTunes backup.

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, 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 cloud 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). Work faster with AI: use the AI assistant, generate documents and presentations, fill out forms automatically, and use on-device voice input in AI chats and AI assistants. 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

Screenshots

Pst Mail4 screens
ONLYOFFICE Documents4 screens

Verdict

The call

The clearest difference is price: ONLYOFFICE Documents at Free against Pst Mail's $9.99. ONLYOFFICE Documents also leads on update cadence (every 6 weeks vs every 5 months) and ratings volume (181 vs 41). Pst Mail's advantage is rating (4.3 vs 3.6) and review sentiment (71% vs 51%). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

ONLYOFFICE Documents is free to download; Pst Mail costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Pst Mail holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 41 and 181 respectively. Written reviews point the same way: 71% of Pst Mail's written reviews are positive against 51% of ONLYOFFICE Documents's.

UpkeepUpdate frequency

Pst Mail ships an update every 5 months, ONLYOFFICE Documents every 6 weeks. Both last shipped on November 1, 2026.

Scorecard8 real differences · 3 level
Pst Mail versus ONLYOFFICE Documents: the parameters behind the verdict, then further details
ParameterPst MailONLYOFFICE Documents
Price$9.99Free — better
Rating4.3 (41 ratings) — better3.6 (181 ratings)
Positive reviews71.4% of reviews — better51.1% of reviews
Number of ratings41181 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#155 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size40 MB410 MB
Age rating4++4
DeveloperArrow Bit SLAscensio System SIA

Customer experience

Pst Mail

All ratings40 ratings
Positive82.5%
Neutral5.0%
Negative12.5%
Written reviews98 reviews
Positive71.4%
Neutral7.1%
Negative21.4%

ONLYOFFICE Documents

All ratings180 ratings
Positive62.8%
Neutral7.8%
Negative29.4%
Written reviews474 reviews
Positive51.1%
Neutral17.1%
Negative31.9%

User reviews

Pst Mail

From 41 App Store ratings

What we love

  • 👍 Access PST files easily
  • 🚀 Fast search and loading
  • ✅ Works with large PST files
  • 📂 Preserves folder hierarchy
  • 📄 Opens attachments

Room to improve

  • 🐛 Crashes occasionally
  • 🚫 Live sync not working
  • ❌ Cannot delete emails
  • ❌ Cannot send new emails
  • ❌ Limited sync options

ONLYOFFICE Documents

From 181 App Store ratings

What we love

  • 👍 User-friendly interface
  • 🚀 Good MS Office compatibility
  • 🔒 Privacy-focused
  • 💡 Useful for basic document editing
  • 👍 Clean and polished design

Room to improve

  • 🐛 Crashes and stability issues
  • 🐛 Bugs with text input and formatting
  • 🐛 Unreliable file saving and syncing
  • 🔋 Performance and battery drain problems
  • 🔒 Lacks integration with popular cloud services

Bugs and requests

Pst Mail

Reported bugs

12 issues
  • App crashes when printing
  • Live sync does not work
  • Cannot open PST files
  • Occasional crashes
  • App crashes when trying to sync more than one file from Dropbox
Show 7 more
  • Landscape mode not optimized, hangs on orientation change
  • PST Mail Sync app not working
  • Lite version hangs on large files
  • App shows no emails in preview after upgrading to full version
  • Cannot install on second iPhone using same ID
  • Cannot read PST files (unable to read message)
  • App crashes when trying to sync more than one file from Dropbox

Requested features

25 requests
  • Add quick scroll function for inbox
  • More sync options (OneDrive, Google Drive)
  • Better search tags
  • Direct link to Files app
  • Ability to delete emails
Show 20 more
  • Ability to send new emails
  • Support for OST files
  • Direct integration with Exchange account
  • Sort emails by subject/name
  • Search within email body
  • Option to delete individual emails
  • Option to add mails to PST
  • Reorganize folders and emails within PST
  • Move mails from iPad inbox into PST Mail
  • Sync to-do action flags
  • Improve user interface design
  • Sort order reversal
  • Download monitoring for large files
  • Add/remove individual folders from display
  • Import PST data by FTP server
  • Show calendar commitment dates
  • Sync with Outlook for iOS for replies/forwards
  • Ability to sort by date in reverse
  • Search across all PST files
  • Make it installable on second device with same ID

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

In-app purchases

None

Pst Mail

No in-app purchases

None

ONLYOFFICE Documents

No in-app purchases

Questions

Is Pst Mail free?
Pst Mail costs $9.99, with no in-app purchases.
Is ONLYOFFICE Documents free?
ONLYOFFICE Documents is free to download, with no in-app purchases.
Which has better reviews, Pst Mail or ONLYOFFICE Documents?
Pst Mail is rated higher. Pst Mail averages 4.3 out of 5 from 41 ratings, while ONLYOFFICE Documents averages 3.6 from 181 ratings.
Do Pst Mail or ONLYOFFICE Documents have ads?
Neither Pst Mail nor ONLYOFFICE Documents shows ads.
Which is updated more often, Pst Mail or ONLYOFFICE Documents?
Pst Mail ships an update every 5 months, and ONLYOFFICE Documents every 6 weeks. Most recently, Pst Mail was updated on November 1, 2026 and ONLYOFFICE Documents on November 1, 2026.

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