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Screenshots

  • Duo Viewer screenshot 1
  • Duo Viewer screenshot 2
  • Duo Viewer screenshot 3
  • Duo Viewer screenshot 4

About Duo Viewer

Make room for two with Duo Viewer, a split-screen browser and file viewer for iPhone. YOUR FAVOURITE WEB APPS, TOGETHER Open two websites on one screen. Compare pages, browse social feeds alongside online video, or keep a reference page within view. Drag the divider to adjust your workspace, minimise a pane when you need more room, and turn your iPhone for a landscape layout. FILES BESIDE THE WEB Import files from the Files app and organise them in Duo Viewer. View PDFs, supported Office and iWork documents, images, text, audio, and video alongside a website or another file. MAKE IT YOUR WORKSPACE • Browse websites in two panes • Save bookmarks and revisit recent addresses • Open links in the other pane • Resize panes and use portrait or landscape mode • Import, view, rename, and delete supported files • Resume your saved workspace

App privacy

The developer, Liangjun Song, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Duo Viewer

Looking for apps like Duo Viewer? Here are 6 similar apps on the App Store. The highest rated is Whittle: Import. Host. Launch! (4.0/5), and all 6 are free to download.

Duo Viewer vs. alternatives
App Rating Price Last updated Compare
Duo Viewer – Free October 5, 2026
Panezo – Free Oct 23, 2026 Compare
Whittle: Import. Host. Launch! 4.0 / 5 (1) Free Oct 12, 2026 Compare
Webin - Personal Web Launcher – Free Aug 24, 2026 Compare
TwoUp Split Screen Dual Window – Free Oct 14, 2026 Compare
Proxy Browser - Fast & Safe – Free Jun 6, 2026 Compare
StarCy - Dynamic Island AI 3.7 / 5 (3) Free Mar 24, 2026 Compare

Compare Duo Viewer with the top alternatives: ratings, updates, ASO score and keyword gaps →