ApiCatcher — Making iOS Packet Capture & Debugging Easier
Focused on creating clean and easy-to-use HTTP/HTTPS capture and debugging tools for iOS. Simple interface, easy interaction, ready to use out of the box.
- ✓No dependence on desktop proxies.
- ✓Simple UI and interaction, no manual required.
- ✓AI-assisted writing of Regex, Cron expressions, and scripts to effectively improve efficiency.
- ✓Full-featured to meet various scenario requirements.

Core Features Overview
Covers the entire chain from capture and filtering to debugging and export. Suitable for development debugging, troubleshooting, and API investigation.
Core Features Showcase
From capture, filtering, and debugging to export, fully showcase ApiCatcher's capabilities on iOS.
Powerful Query and Filtering
All capture records are aggregated with rich filtering conditions. Supports fuzzy search for URL, request/response headers, and body. Supports filtering by Session, Content-Type, status code, time, method, and Host.

Focused Request Details
Request details are consolidated in one view for better focus—no more switching between multiple tabs. Body supports syntax highlighting for JSON, XML, HTML, and rendering for HTML, SVG, and images.

Body Copy, Decryption, and Export Made Easy
Quickly copy Headers and Body with one tap, or select specific text to copy. Supports exporting binary Body as a file, and rapid decoding of Body including Base64, URL, AES, or custom decryption via JS scripts.

File Export & Automatic Merging of Segmented Data
File Management: Automatically recognizes and extracts image, video, and audio requests. Merges Range requests (segmented downloads) into a single complete file. Supports batch export based on filters.

Batch Export as HAR Files
Capture logs can be exported in HAR format for further analysis in external tools like Burp, Fiddler, Charles, etc.

Export API to Postman and Apifox
Automatically generates API documentation and supports transferring to Postman or Apifox, improving investigation and development efficiency.

API Scanning & Sensitive Info Detection
Local rule-based detection and traffic statistics. Detect sensitive information and error message leaks. Track silent API calls initiated in the background and investigate their calling frequency. Analyze P95 and P99 latency to identify slow APIs. Supports custom scanning rules and script extensions.

One-Tap Replay, Simple and Efficient
Supports quick request resubmission for testing interfaces during development or diagnosing production failures.

Visual Combined Replay Editor
An easy-to-use combined replay feature that boosts efficiency when managing complex API dependencies. Just drag and drop to chain multiple requests. Supports dependent parameter injection and sequential execution with auto-stop on failure. You can edit request parameters and check execution results at each node.

Easier Rewrite Rules
Rules are composed of Scope and Rewrite Action. Quickly select an auto-generated API as your scope. Supports Mocking, modifying, or dropping for both requests and responses. AI assists in writing Regex replacement rules, which can be instantly tested using historical capture logs.

Efficient Scripting with AI
Scripting supports complex rewrite needs, internal encryption/decryption, and automated testing. ApiCatcher allows for manual coding, AI-generated scripts, and remote script loading. AI-generated code significantly boosts scripting efficiency on mobile, allowing you to implement and refine script functions through continuous dialogue. You can quickly select any captured request to test and verify the accuracy of your script logic.

Compare Request Before and After Rewrite
Icons identify rewritten/scripted requests. The details page allows side-by-side comparison of results before and after rules are applied.

More Feature Details
Refining every detail to provide you with the best possible user experience.
Comparison with Similar Products
Mainstream iOS HTTP packet capture and debugging tools include: Stream, ProxyPin, HTTP Catcher, Reqable, Hodor, Storm Sniffer, and ApiCatcher. We will compare these products in terms of price and features, and rate them based on user experience.
Price Comparison
Feature Comparison
Experience Rating
Disclaimer: Subjective rating, for reference only! Score Notes: Maximum 5 points per item.
- Capture: Capable of capturing media files and support for decompression.
- Search: Supported search dimensions and whether cross-session search is supported.
- View: Scored based on the experience of viewing requests, including JSON/XML/HTML preview, image rendering, etc.
- Features: Scored based on the number of supported features.
- Details: Some detailed experiences, including the number of usage steps for features (such as how many steps it takes to view response images), Body rendering (such as JSON support, image rendering, etc.), and AI efficiency improvements.
- Price: Scored based on pricing.
User Reviews from App Store
Real experiences and feedback from our users.
ApiCatcher is absolutely amazing! It completely solves the pain points of mobile packet capture. The interface is clean, the operation is simple, yet the features are incredibly powerful – request replay, Mock responses, and especially encryption/decryption capabilities, everything you need is all in one place.
这款抓包工具非常实用!界面设计简洁明了,上手没有门槛,对于调试网络请求和分析数据传输很有帮助。
很难找到一款好用的抓包工具,这款符合预期!
其他同类产品很久不更新了,这个界面简洁好用,用起来顺手。
FAQ
Can I use my own certificate?
Can I export captured requests in real-time?
Simple and clean HTTP(S) Capture & Debugging Tool
Focused on creating a clean and easy-to-use HTTP/HTTPS packet capture and debugging tool for iOS.


