API Zen vs Developer Browser Pro

API Zen brings the convenience of HTTP API endpoint testing on the go. With its intuitive request composer and detailed response information, it helps developers test endpoints with ease. Main features • Simple and intuitive request composer and viewer • Supports headers, request parameters, request body with JSON, XML, raw input, forms with file, image attachments, multipart and binary data • Organize endpoints into workspaces and projects • Enable iCloud syncing when creating a new workspace. If syncing is disabled workspace will be created on device only. • Seamless switching between local and iCloud workspaces • Option to add custom HTTP methods per project • Detailed response information which includes headers, cookies, metrics and connection information • View raw response with syntax highlighting • Preview HTML response output as web page • View all response history • SSL validation per request • Environment group with variables per workspace with option to select different environment per request • Supports dark mode • Import/Export workspace data API Zen is free for use. The app accepts optional donations which supports the development work.

Developer Browser is a focused web viewer designed for inspection and troubleshooting. Load any URL (or search from the address bar) and review what the page returns and what it does at runtime. Features:. Response headers at a glance. Capture the latest HTTP status, MIME type, and full header list. Console stream. View console output plus JavaScript errors and unhandled promise rejections with timestamps. DOM snapshot + search. Capture a structured DOM tree with tag, id/class hints, text preview, and a searchable path. Page source. Read and copy the rendered document HTML in a monospaced view. Audit deck. Quick structural and accessibility signals (headings, buttons, landmarks, language, unlabeled links, missing alt/labels) plus basic timing info. Cookies for the current host. See cookie name, value preview, domain/path, secure/session flags, and expiration. Session timeline. Keep a running list of captured responses as you browse. Use it for debugging, QA checks, and lightweight page reviews without leaving your browsing context.