Duo app icon

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.

by Electric Pulp★ 0.00 ratingsDeveloper Tools$4.99Data updated 2026-10-25
App detailsView in App Store

Duo screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  5. Hodor - HTTP(s) Packet Sniffer app icon

    Hodor - HTTP(s) Packet Sniffer

    Chengdu Feng Chui Ye Technology Co., Ltd

    Capture HTTP traffic at the IP layer

    Capture and rewrite network packets using HTTP, TCP, UDP, and WebSocket protocols. Monitor and modify Flutter traffic at the IP layer. Support JavaScript extensions for custom handling.

    ★ 4.322 ratingsDeveloper ToolsFreeData updated 2026-09-06
    App details
  8. Vibe SSH Terminal app icon

    Vibe SSH Terminal

    婉媚 邵

    Connect to servers and run commands

    Allows users to connect to servers, execute commands, and transfer files. It includes a live dashboard for real-time CPU, memory, disk I/O, and network monitoring.

    ★ 4.939 ratingsDeveloper ToolsFreeData updated 2026-10-11
    App details
  9. PG Orbit - Postgres Client app icon

    PG Orbit - Postgres Client

    Acrogenesis LLC

    Manage databases securely on the go

    Connect to and manage PostgreSQL databases remotely. Execute SQL queries, browse tables, and view data. Export results, manage schemas, and secure connections. Support for encryption and authentication.

    ★ 5.01 ratingsDeveloper ToolsFreeData updated 2026-09-06
    App details
  16. Webli app icon

    Webli

    Sebastian Dombrowski

    ★ 0.00 ratingsDeveloper ToolsFreeData updated 2026-09-06
    App details

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.