Postman + Charles in your pocket. Capture HTTPS traffic, build & replay requests, import cURL — all on your iPhone. No Mac, no laptop, no cable needed.
Simple Interceptor = Postman + Charles, on your iPhone.
Capture, inspect, and replay HTTP/HTTPS traffic — anywhere, anytime, without a desktop. Whether you're debugging an API on the go, reverse-engineering a third-party SDK, or verifying your app's network behavior in the field, Simple Interceptor gives you the power of professional desktop tools in a single mobile app.
— CAPTURE & DECRYPT HTTPS TRAFFIC —
• Real-time interception of all HTTP and HTTPS connections
• Built-in MITM proxy with automatic CA certificate generation
• View full request & response headers, bodies, and timing
• Decode gzip, deflate, and Brotli compressed responses automatically
• Filter by domain, HTTP method, status code, or full-text search
• Domain whitelist/blacklist rules for focused capture sessions
— BUILD & SEND REQUESTS (like Postman) —
• Craft custom HTTP requests with any method, headers, and body
• Import cURL commands directly — paste from docs, Slack, or terminal
• Inspect full responses with syntax-highlighted body preview
• Re-send captured traffic to reproduce or modify requests instantly
• Request history with iCloud sync across all your devices
— EXPORT & SHARE —
• Convert any captured request to a ready-to-run cURL command
• Copy headers, bodies, or full responses to clipboard
• Share diagnostic logs for team collaboration
— EXTRAS —
• NFC tag reading and writing (text, URL, custom MIME)
• Apple Sign-In with iCloud profile sync
• Unified log viewer with source and severity filtering
• Step-by-step certificate installation guide
— WHO IS IT FOR? —
• Mobile developers testing APIs without a laptop
• QA engineers verifying network behavior on real devices
• Security researchers analyzing HTTPS traffic
• Backend developers debugging webhooks and callbacks
• Anyone who needs Charles or Postman but only has an iPhone
No Mac required. No USB cable. No complicated setup. Just install, tap Capture, and start inspecting.
Privacy first — your traffic data stays on your device unless you choose to sync via iCloud.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
- You can now locate and launch the app directly from iOS Spotlight search.
- The network debugging screen has been refined for smoother performance.
- Fixed occasional 502 errors that occurred when a proxy and packet capture were enabled.
Version 1.1.14
The developer, Jie Tian, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
