MobiOffice: Word, Sheets, PDF

Productivity · MobiSystems

MobiOffice: Word, Sheets, PDF icon
1.5M ratings
4.6
Installs
100M+
Price
Free
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MobiOffice: Word, Sheets, PDF screenshots

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MobiOffice is a productivity app from MobiSystems that puts document editing on an Android phone or tablet. It handles Word documents, Excel spreadsheets and PowerPoint presentations, and it also reads, edits, fills and signs PDF files. The install figure says a lot about how many people have reached for it: more than 100 million downloads, with a 4.6 average across roughly 1.5 million ratings.

The main reason to consider it is breadth. Rather than installing one app for text, another for spreadsheets and a third for slides, you get all three in one place, plus a PDF tool that can convert files into office formats. If your work follows you onto a phone, that combination is the appeal.

Where this office suite fits

The people most likely to get value here are those who already work with Microsoft-style files and need to keep them moving when they are away from a computer. A salesperson updating a quote between appointments, a student marking up a lecture handout on a tablet, or a manager approving a signed PDF before a meeting all fit the pattern the app is built around. A Windows PC can be linked with Android and iOS devices.

Cloud storage is central to that. Projects stay reachable from other devices through Drive, Box, Dropbox or OneDrive for Business. There is also a MobiDrive account with 5GB free, which gives you somewhere to keep files without setting up a third-party service first. For anyone whose documents already live in one of those accounts, the app slots into an existing routine rather than asking for a new one.

It is worth being clear about the shape of the product: it is a document tool, not a note-taking app or a project manager. Its job is files in familiar office formats, opened, changed and saved.

Word, Excel and PowerPoint editing

The core of the app is creation and editing. You can write and format Word documents, build Excel spreadsheets and put together PowerPoint presentations, then comment on them and protect them. The developer lists a set of advanced tools alongside the basics: a format painter, track changes, conditional formatting, formulas and a presentation mode. Those are the features that separate a serious editor from a viewer, and their presence suggests the app is meant for real work rather than quick glances.

Compatibility is broad. The app opens Microsoft Office files, Google Docs, Sheets and Slides, OpenOffice and LibreOffice documents, WPS Office and Polaris Office files, Apple's iWork formats and Adobe PDF files, among hundreds of others. For anyone who receives documents from clients, colleagues or institutions, that range matters more than any single feature.

Exporting is handled too: documents, spreadsheets and presentations can be converted to PDF from inside the app. That is a common need when a file has to be sent in a fixed form, and having it in the same app saves a step.

The PDF side of the app

PDF handling gets its own set of tools. The app reads PDF files, edits them, fills them in and works with fillable forms, and it supports digital signatures. Security and permissions management are mentioned as well, which is relevant for anyone handling contracts or forms that should not be altered freely.

Conversion runs in both directions. Alongside turning office documents into PDF, the app converts PDF files into Word, Excel or ePub. That is useful when you are handed a PDF and need to work with its contents rather than just read them. The developer describes the PDF converter as unlimited for premium users.

What it costs and what the trial includes

MobiOffice is free to install and supported by ads, and it offers in-app purchases. The developer provides a free 7-day trial that opens up the advanced document editor and the other premium tools, and then monthly or annual plans. Premium includes 5GB of storage on MobiDrive, unlimited use of the PDF converter, more than 20 advanced features, use on two mobile devices and one Windows PC, no ads and priority support.

The trial is the sensible way to judge it. Seven days is enough to find out whether the editing tools suit the way you work and whether the premium extras are things you would actually use. Beyond that, the choice between monthly and annual comes down to how often you expect to reach for the app.

The ads and the paid tier are part of the deal, not a hidden catch, but they are worth factoring into your decision. If you only need to read a document now and then, the free version plus a short trial tells you what you need to know.

How it compares with the alternatives

The obvious comparison is a desktop office suite, which remains better for long editing sessions on a large screen. MobiOffice is not trying to replace that; it is for the hours when you are not at a desk. The other comparison is a single-purpose app, such as a standalone PDF reader or a plain text editor. Those can be lighter and simpler, but they will not open a spreadsheet, run formulas or export a slide deck.

A dedicated cloud storage app is another option if all you need is access to files. Reading files is supported; editing tools like track changes, conditional formatting and presentation mode are not. The reason to choose MobiOffice over any of these is the combination: several file types, editing tools and PDF conversion in one install.

The trade-off is that you are taking on a larger app with ads and a subscription option, rather than a small free utility. That is the price of the breadth.

A dependable choice for documents on the move

MobiOffice has been on Google Play since December 2011. That kind of maintenance matters for an app you might trust with work files.

My recommendation: install it if you regularly handle Word, Excel, PowerPoint or PDF files on a phone or tablet and want one app that covers all of them, with cloud links to the storage you already use. Take the 7-day trial to see whether the premium tools earn their place. If your document work happens almost entirely at a desk, a full computer suite remains the better fit.

The short verdict

A broad, well-established office suite for Android that suits anyone editing Word, Excel, PowerPoint or PDF files away from a desk.

What's new in version 16.6.61048

Thank you for using MobiOffice! During this month, our primary focus has been on enhancing the speed and reliability of our application. Our aim has been to make it more refined, user-friendly, and seamless in its performance. Enjoying MobiOffice? Remember to leave us a review.

App specs

  • Version16.6.61048
  • UpdatedSeptember 21, 2026
  • Downloads100M+
  • RequiresAndroid 9+
  • PriceFree
  • Age ratingEveryone

MobiOffice: Word, Sheets, PDF: frequently asked questions

What kinds of files can MobiOffice open and edit?

The app handles Word documents, Excel spreadsheets and PowerPoint presentations, and it can create, edit, comment on, format and protect them. It also reads and edits PDF files, fills in forms and supports digital signatures. Compatibility extends to Google Docs, Sheets and Slides, OpenOffice, LibreOffice, WPS Office, Polaris Office, Apple's iWork formats and Adobe PDF files.

Can I convert documents to and from PDF?

Yes. Documents, spreadsheets and presentations can be exported to PDF from within the app. In the other direction, PDF files can be converted into Word, Excel or ePub. Premium users get an unlimited PDF converter.

How does the free 7-day trial work?

The premium tools, including the advanced editor, open up during a 7-day trial. After that, monthly and annual plans are available if you want to keep using them. Trying the app during those seven days is the straightforward way to judge whether the premium tools are worth paying for.

What does a premium plan include?

Premium adds 5GB of storage on MobiDrive, unlimited use of the PDF converter, more than 20 advanced features, no ads and priority support. Two phones or tablets and one Windows PC are covered. The free version of the app is ad-supported and offers in-app purchases.

Can I connect my existing cloud storage?

The app links to Google Drive, OneDrive for Business, Box and Dropbox accounts, so files can be opened and saved in the service you already use. It also provides 5GB of free storage on the developer's own MobiDrive cloud. A Windows PC can be linked with Android and iOS devices.

Pros

  • Word, Excel, PowerPoint and PDF in one app
  • Opens many office file formats
  • Links Google Drive, OneDrive, Box and Dropbox
  • 7-day trial of premium features
  • 5GB free storage on MobiDrive

Cons

  • Free version is supported by ads
  • In-app purchases for premium plans
  • Premium covers two mobile devices and one PC
  • Premium users get an unlimited PDF converter

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