1 File Viewer is a universal file viewer capable of opening multiple file formats, such as Documents, Spreadsheets, PDF files, photos, archives, videos, audios, and texts.

[1 File Viewer Premium: In-app Purchases Features]
• Edit Documents in Word, Excel, and PPT
• Compress Files & Unzip Archives
• Display Images in Various Formats
• View E-Books
• Play Videos & Audios
• View Exported Emails
• Download Torrent Files

Subscription plan: billed annually at $19.99/year
Lifetime license: one-time purchase for $33.99