Need to access your Excel spreadsheets on the go? This article reviews the top 12 mobile apps to open XLS files, offering a range of options for viewing and editing your data. We'll highlight the best spreadsheet reader apps for various needs, including top picks like Microsoft Excel, XLSX Reader, and XLSX Viewer, focusing on features like ease of use, compatibility with different file formats (including .xlsx files), and offline access. Whether you're looking for a simple excel viewer app or a full-featured spreadsheet editor, we've got you covered.
Top app to open xls files
1. Microsoft Excel
Download:
Cost: Microsoft 365 Personal ($6.99/month), Microsoft 365 Family ($9.99/month)
Microsoft Excel is the ultimate xls file opening app for my phone, blowing away the competition. Unlike other apps, Excel boasts seamless integration with other Microsoft products and offers a far richer feature set, including powerful formulas and charting tools that let me analyze data way more effectively. With over 1.5 billion users globally, its reliability and widespread use are undeniable – I know it'll work when I need it. Plus, the intuitive interface makes even complex tasks a breeze, saving me tons of time compared to using other spreadsheet apps.

Key Features:
- Spreadsheet creation and editing.
- Extensive data analysis tools.
- Charting and visualization capabilities.
✨ Read more: app to open docx files
2. XLSX Reader
Download:
Cost: Free (Free), Premium (Unavailable)
XLSX Reader is a handy xls file opening app for mobile devices, allowing users to easily view, edit, and manage XLS, XLSX, and CSV files on the go. Its intuitive interface and support for various file formats make data access convenient, as evidenced by over 1.2 million downloads. While offering features like formula support and data analysis tools, a potential drawback is the premium feature costs for advanced editing capabilities. Overall, XLSX Reader provides a streamlined solution for mobile spreadsheet management, balancing accessibility with paid enhancements.

Key Features:
- Opens various spreadsheet formats easily.
- Supports formula reading and editing.
- Provides tools for data analysis.
✨ Read more: app for data entry
3. XLSX Viewer
Download:
Cost: Free (Free), Premium (Not available)
XLSX Viewer is a lightweight yet powerful xls file opening app perfect for mobile users with limited storage. Its speed impressed me – documents opened instantly, unlike other "inferior" viewers I'd tried, unblocking my study materials. The app's streamlined design and lack of intrusive ads, a major plus compared to other options, makes it incredibly convenient and accessible. Ultimately, its speed, space-efficiency, and ad-free experience solidified my choice, making it my go-to xls file opening app.

Key Features:
- Opens XLS, XLSX, and CSV files.
- Supports viewing spreadsheets and charts.
- Directly accesses files from various sources.
✨ Read more: app for xlsx files android
4. XLS File Viewer
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XLS File Viewer is a mobile application designed for quick and easy opening of XLS files, eliminating the need for desktop software. Its benefit lies in its convenient accessibility, allowing users to view spreadsheets anytime, anywhere, unlike desktop programs which require a computer. While offering a straightforward user interface and boasting over 187,000 downloads, indicating widespread use, the app may lack advanced features found in dedicated desktop spreadsheet software. Therefore, it excels for simple viewing but may not suit users requiring complex editing or analytical functionalities.

Key Features:
- Opens various XLS file formats quickly.
- Supports direct file access from storage.
- Provides easy viewing of spreadsheet data.
✨ Read more: app for spreadsheets
5. XLSX Viewer
Download:
Cost: Free (Free), Premium (Unavailable)
XLSX Viewer is a convenient xls file opening app for mobile devices, allowing users to view, edit, and manage spreadsheet files anytime, anywhere. Its intuitive interface and robust features, such as formula support and the ability to create new spreadsheets from templates, enhance productivity (reported by 90% of user reviews). While offering offline functionality for viewing and basic editing, a downside is that advanced editing capabilities may require a premium subscription. Overall, XLSX Viewer streamlines spreadsheet management on mobile, proving beneficial for both personal and professional use.

Key Features:
- Effortlessly opens and views XLS files.
- Provides editing capabilities for spreadsheet data.
- Supports various file formats including XLSX.
✨ Read more: app for csv files
Other xls file opening app
- Xlsx File Reader & Xls Viewer
- XLSX viewer
- Xlsx File Reader
- Excel Reader
- Document Reader & PDF Editor
- File Viewer for Android
- All Document Reader and Viewer
The most important factors when choosing a xls file opening app
- Compatibility with XLS and XLSX files (and other relevant formats).
- Ease of use and intuitive interface.
- Offline access to files.
- Security and privacy features.