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

Duo screenshots

Ranked alternatives

Showing 181–200 of 1,000 ranked alternatives.

  1. La Terminal - SSH Client app icon

    La Terminal - SSH Client

    Xibbon, Inc

    Edit commands, navigate files, run scripts

    Offers a emulator with full Xterm/DEC VT support. Users can run SSH sessions, navigate files, and manage commands via touch gestures. It includes a visual file manager, customizable themes, and supports split-screen and tabbed interfaces.

    ★ 4.793 ratingsDeveloper ToolsFreeData updated 2026-09-06
  2. VibeGo – Mobile Code Editor app icon

    VibeGo – Mobile Code Editor

    Terceseht LLC

    Remotely, edit on the go

    Access remote VS workspace with full , terminal, and file explorer. Switch to native iOS views for file browsing, output review, and quick actions. Perform actual coding and development tasks on devices.

    ★ 5.01 ratingsDeveloper ToolsFreeData updated 2026-09-06
  3. Rubyist - Ruby Scripting app icon

    Rubyist - Ruby Scripting

    TSUBASA TECHNOLOGIES LIMITED LIABILITY COMPANY

    Run code on your device

    Run code on iOS devices using MRuby VM. Edit code with syntax highlighting and autocomplete. View documentation inline. Execute code via Shortcuts or Siri. Make HTTP requests and interact with native alerts. Access clipboard for input and output.

    ★ 4.695 ratingsDeveloper ToolsFreeData updated 2026-10-13
  4. Socket Tool app icon

    Socket Tool

    珣 张

    Debug TCP/UDP connections

    Debugging for network maintenance and development. Send and receive TCP/UDP data. Perform Ping, Ping Monitor, UDP Broadcast, and Multicast. Scan ports and networks. Trace routes and look up Whois information.

    ★ 4.310 ratingsDeveloper ToolsFreeData updated 2026-09-06
  5. etcdWp app icon

    etcdWp

    Beijing Xiadao Technology Co., Ltd.

    Manage keys, edit revisions, track changes

    Manage cryptographic keys by browsing, creating, editing, and deleting them. Set time-to-live durations for keys. View keys in tree or list format with pagination. Receive live updates when key values change.

    ★ 5.01 ratingsDeveloper ToolsFreeData updated 2026-09-06
  6. Vimlike app icon

    Vimlike

    Minwoo Lee

    Browse web with keyboard shortcuts

    Browse web pages using keyboard shortcuts similar to a vim editor. Navigate with j/k/h/l for scrolling, ctrl+f/b for page movement, and d/u for half-page adjustments. Jump to page start/end with g g/g. Open links below cursor with a or s.

    ★ 4.828 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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