How to use Twinin
Twinin
Split Screen Video & Web Browser
🎯 What is Twinin?
Twinin is a revolutionary split-screen app that allows you to watch videos and browse the web simultaneously on your iOS device. Perfect for multitasking, learning, and entertainment!
Split Screen
Divide your screen to display video and web content at the same time
Instant Swap
Switch top and bottom content with a single tap
Flexible Ratio
Adjust the split ratio by dragging the divider
Full Browser
Complete web browsing with bookmarks and history
🚀 Getting Started
Basic Setup
Launch Twinin
Open the app to see the default split-screen view with web browsers in both sections.
Open the app to see the default split-screen view with web browsers in both sections.
Load a Video
Tap the blue globe/film icon in either section, then tap the folder icon to select a video from your Photos or Files.
Tap the blue globe/film icon in either section, then tap the folder icon to select a video from your Photos or Files.
Browse the Web
In the web section, tap the link icon to enter a URL or search term.
In the web section, tap the link icon to enter a URL or search term.
Adjust the Split
Drag the divider between screens to change the size ratio.
Drag the divider between screens to change the size ratio.
💡 Pro Tip: Use the ratio button in the navigation bar for quick presets: 50-50, mostly top, or mostly bottom.
📖 Detailed Features
Navigation Bar Controls
- Split Ratio Button (□): Quickly switch between 50-50, top-heavy, and bottom-heavy layouts
- Swap Button (↕️): Instantly exchange top and bottom content
- History Button (📚): Access your browsing history and bookmarks
- Settings Button (⚙️): Configure app preferences and language
Content Control Bar
Each split section has its own control bar with these functions:
- Content Type Toggle (🌐/🎬): Switch between web and video mode
- Navigation Arrows (← →): Go back/forward in web browsing
- URL Button (🔗): Show/hide URL input bar
- Bookmark Star (⭐): Save current webpage to bookmarks
- Folder Button (📁): Select video files (in video mode)
- Refresh Button (🔄): Reload webpage or restart video
Video Playback
Select Videos
Choose from Photos library or Files app. Supported formats include MP4, MOV, and M4V.
Choose from Photos library or Files app. Supported formats include MP4, MOV, and M4V.
Playback Controls
Use standard iOS video controls: play/pause, scrub timeline, full-screen mode.
Use standard iOS video controls: play/pause, scrub timeline, full-screen mode.
Auto-play Settings
Enable/disable automatic playback in Settings > Video Playback.
Enable/disable automatic playback in Settings > Video Playback.
Web Browsing
- Full-featured web browser with JavaScript support
- Bookmark favorite sites for quick access
- History tracking for easy navigation
- Smart URL/search detection - just type and go!
❓ Frequently Asked Questions
Can I watch YouTube or streaming videos?
The video player is designed for local files only. For streaming content, use the web browser section to access YouTube, Netflix, etc. through their websites.
How do I change the app language?
Go to Settings (gear icon) > Language, then select your preferred language. The app supports English, Japanese, German, French, Spanish, Portuguese, and Chinese.
Can I use Twinin in landscape mode?
Yes! Twinin works perfectly in both portrait and landscape orientations. The split changes from top/bottom to left/right in landscape mode.
Why can't I select certain video files?
Twinin supports standard video formats (MP4, MOV, M4V). DRM-protected content or unsupported formats cannot be played.
How do I remove ads?
Upgrade to Twinin Premium in Settings > Premium Features. One-time purchase removes all ads permanently.
🔧 Troubleshooting
Video Won't Play
- Ensure the video format is supported (MP4, MOV, M4V)
- Check if you have granted file/photo access permissions
- Try selecting the video again from Files or Photos
Web Page Won't Load
- Check your internet connection
- Try refreshing the page with the refresh button
- Ensure the URL is correctly formatted
App Crashes or Freezes
- Force quit and restart the app
- Update to the latest version from App Store
- Restart your device if issues persist
✨ Premium Features
💡 Note: Premium purchase is linked to your Apple ID and can be restored on all your devices.
💡 Tips & Tricks
- Study Mode: Watch educational videos while taking notes in a web-based note app
- Shopping Helper: Compare products by watching reviews while browsing online stores
- Language Learning: Watch foreign content while using translation websites
- Coding Tutorial: Follow programming tutorials while coding in online IDEs
- Recipe Assistant: Watch cooking videos while viewing the recipe webpage
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