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 101–120 of 1,000 ranked alternatives.


Anything - AI App Builder
Create, Incorporated
Build apps without coding in one tap
Build apps without coding by describing features. Create mobile or web apps in one tap. Preview live on your device and submit to Store directly. Edit and launch apps from your browser.


Tester - Super Intelligence
FJEDI LTDA
Test APIs and view responses
Allows users to test various APIs including REST, GraphQL, WebSocket, and more. Send HTTP requests with methods like GET, POST, and DELETE. Edit GraphQL queries, mutations, and subscriptions. Connect to WebSockets and send messages.

atvTools
Oleksandr Hamlii
Sideload apps to your Android device
Control TV apps by opening, uninstalling, disabling, enabling, and downloading APKs. Manage permissions. Use built-in file manager to transfer files. Take screenshots or record screen activity. Requires USB/network debugging on Android.


npm Registry
Daniel Sogl
Search packages, filter results, track updates
Search npm packages in real time with filters for quality, popularity, and maintenance. View full READMEs with markdown and syntax highlighting. See version history, release dates, and dependencies for each package.


SpaceHey Mobile
Tibush GmbH
Discover people, add friends, design profiles
Create and customize profiles with unique themes and settings. Connect with others by adding friends and discovering new users. Share updates through bulletins and blogs. Send instant messages and participate in forums.



Doodle Draw: Sketch Timelapse
Thinh Ho
And share kid-friendly artwork
Create art with 10 brushes. Adjust brush size and color randomly. Import photos to doodle on. Add drawings to family images for customization. Save and share completed artwork.


LayoutCode
WAN LUTFI WAN MD HATTA
Convert UI to Swift code instantly
Convert UI designs into Swift code in real time. Create responsive layouts with constraints for various screen sizes. Use Collection View to organize multiple custom layouts. Export code for iOS development without coding.

HTTP Catcher
MESS LAB LTD
Capture and replay traffic
Capture and inspect traffic by intercepting requests and responses. Modify and replay web traffic for testing. View detailed logs of network activity under Wi-Fi or cellular networks. Set up a local proxy to monitor and website interactions.

Terminal - SFTP & SSH Client
Soufiane Benabid
Access remote servers with one tap
Allows users to connect to servers via SSH, Mosh, Telnet, and . It supports port forwarding and session management. An AI chatbot provides server command assistance. Users can customize themes and fonts for each connection.

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