Apps Like Duo for iPhone and iPad
Test responsive web design views simultaneously.
The app displays a desktop and mobile view simultaneously for responsive web design testing. Users can navigate both panes with synchronized browsing and access WebKit Dev Tools for debugging.
Duo screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Inspect Browser
Parallax Dynamics Inc.
Web elements and debug code
Allows developers to debug and test web content directly on iOS. View and edit HTML elements with live preview. Adjust and CSS rules in real time. Access JavaScript console for debugging. Check element dimensions and properties.




Affinity Designer 2 for iPad
Serif (Europe) Ltd.
Design with precision, edit vector graphics, create
Create illustrations, branding, logos, and UI/UX designs. Edit vector graphics and raster images. Apply filters, adjust colors, and add text. Export in multiple formats and share directly. Sync with desktop versions for seamless workflow.

Freeform
Apple Inc.
Sketch, design, and sync across devices
Create digital boards to organize ideas, projects, and research. Add photos, videos, audio files, documents, PDFs, web links, and stickies. Sync boards across devices using iCloud.

Python Editor App
Andromeda Corp Limited
Code in on your device
Write clean, error-free code on iOS with syntax highlighting, auto-indentation, and code completion. Create, edit, and run scripts directly. Supports debugging and integrates with version control systems.



ON1 Photo RAW for Mobile
onOne Software
Capture, edit, and organize photos
Edit RAW photos with color and tone adjustments. Import and process RAW files from cameras or storage devices. Organize and manage libraries. Capture pro-grade RAW images with manual controls.

Termius - Modern SSH Client
Termius Corporation
Connect via SSH, Mosh, and Telnet
Allows SSH, Mosh, Telnet, and SFTP connections from mobile or desktop. It supports port forwarding and secure file transfers. Users can access a virtual keyboard or connect Bluetooth keyboards. Gestures and device shaking control terminal actions.

JigSpace
JigSpace Inc.
Create 3D presentations and view in AR
Create and share 3D presentations using pre-built templates. View presentations in augmented reality directly on the device. Edit 3D models, add text, and export presentations for sharing.

Web Messenger for Dual Chat
Irfan Aksu
Browse websites in desktop view
Browse websites in desktop view for better compatibility and usability. Access third-party web apps normally restricted to desktop browsers. Adjust user agent settings to customize browsing experience.





MediBang Paint – Drawing & Art
MediBang inc.
Draw with brushes and tools anywhere
Create art with customizable brushes and access to 700 additional premium brushes. Design comic panels using 1000 screentones and 60 fonts. Apply filters and use fun background brushes. Save and share artwork directly.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.