Microsoft 365 Copilot vs Office Reader: Best Office App for Productivity & Document Viewing

Microsoft 365 Copilot is designed for professionals and power users who need an AI assistant integrated with Word, Excel, and PowerPoint for creating, summarizing, and managing content on the go. Office Reader, on the other hand, is ideal for users who primarily need a fast, free, and offline-capable document viewer supporting a wide range of formats including PDF, Word, Excel, and ebooks. While Copilot leverages AI to boost productivity, Office Reader focuses on simplicity and broad file support without requiring a subscription.

Microsoft 365 Copilot Android app icon

Microsoft 365 Copilot

Recommended
Rating
★ 4.52
Downloads
1,000,000,000+
Developer
Microsoft Corporation
View on Play Store
Office Reader - PDF,Word,Excel Android app icon

Office Reader - PDF,Word,Excel

Rating
★ 3.89
Downloads
1,000,000+
Developer
nTools
View on Play Store

The Microsoft 365 Copilot app is your AI-first productivity app for work. It provides one place for you to chat with your AI assistant, create content, manage projects and quickly find files on the go – helping you get more done, without doing more. With the Microsoft 365 Copil…

Pros

  • AI assistant can create, summarize, and draft documents and emails
  • Seamless integration with Microsoft 365 suite (Word, Excel, PowerPoint)
  • Cloud sync across devices via OneDrive
  • Advanced editing and formatting capabilities
  • Enterprise-grade security and compliance features

Cons

  • Requires a Microsoft 365 subscription (costly)
  • Large app size and may be slow on older devices
  • Limited offline functionality without downloaded files

Office Reader – All-in-One Document Viewer Read, view, and manage all your documents in one free app. Open Word, Excel, PowerPoint, PDF, eBooks, and more—anytime, anywhere, even offline. ✨ Key Features • All Document Formats Supported Open DOC, DOCX, XLS, XLSX, PPT, PPTX,…

Pros

  • Free to use with no subscription required
  • Supports a vast range of document formats including PDF, Word, Excel, PowerPoint, ebooks, and source code
  • Works fully offline without internet connection
  • Lightweight and fast, ideal for low-end devices
  • Simple, intuitive interface for quick viewing

Cons

  • No editing capabilities (view-only)
  • No AI or smart productivity features
  • Ads may appear in the free version

Final Verdict

Our pick: Microsoft 365 Copilot

For users deeply embedded in the Microsoft ecosystem who need AI-powered assistance, content creation, and real-time collaboration, Microsoft 365 Copilot is the clear winner despite its subscription cost. However, for those who only need to view or read documents—especially offline—without editing or AI features, Office Reader is a fantastic free alternative with broader format support. If you require AI features, go with Copilot; if you just need a reliable viewer, choose Office Reader.

Microsoft 365 Copilot Android app icon

Microsoft 365 Copilot Screenshots

Official app screenshots from the Google Play Store.

Microsoft 365 Copilot Android app screenshot 1
Microsoft 365 Copilot Android app screenshot 1
Microsoft 365 Copilot Android app screenshot 2
Microsoft 365 Copilot Android app screenshot 2
Microsoft 365 Copilot Android app screenshot 3
Microsoft 365 Copilot Android app screenshot 3
Microsoft 365 Copilot Android app screenshot 4
Microsoft 365 Copilot Android app screenshot 4
Microsoft 365 Copilot Android app screenshot 5
Microsoft 365 Copilot Android app screenshot 5
Office Reader - PDF,Word,Excel Android app icon

Office Reader - PDF,Word,Excel Screenshots

Official app screenshots from the Google Play Store.

Office Reader - PDF,Word,Excel Android app screenshot 1
Office Reader - PDF,Word,Excel Android app screenshot 1
Office Reader - PDF,Word,Excel Android app screenshot 2
Office Reader - PDF,Word,Excel Android app screenshot 2
Office Reader - PDF,Word,Excel Android app screenshot 3
Office Reader - PDF,Word,Excel Android app screenshot 3
Office Reader - PDF,Word,Excel Android app screenshot 4
Office Reader - PDF,Word,Excel Android app screenshot 4
Office Reader - PDF,Word,Excel Android app screenshot 5
Office Reader - PDF,Word,Excel Android app screenshot 5

Frequently Asked Questions

Which app has higher ratings?

Microsoft 365 Copilot has a rating of 4.515111, while Office Reader has a rating of 3.89. Copilot is significantly higher rated.

Can I use Office Reader offline?

Yes, Office Reader works fully offline. You can open documents stored on your device without an internet connection.

Does Office Reader have ads?

Yes, Office Reader may display ads in its free version. The ads are generally non-intrusive but present.

What are the device requirements for Microsoft 365 Copilot?

Microsoft 365 Copilot requires Android 6.0 or higher and at least 2GB of RAM. It also needs a stable internet connection for most AI features.

Which app should I choose for quick document viewing?

If you only need to view documents (PDF, Word, Excel, etc.) without editing, Office Reader is the better choice due to its free cost, offline support, and broad format compatibility.