Packet Capture Pro vs API Tool Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Packet Capture Pro
Capture and analyze HTTP/HTTPS/WebSocket traffic on your device. Inspect full request/response details, filter by keywords, and rewrite/replay network responses. Collaborate with PC clients and import/export HAR files for seamless debugging.
- Real-time HTTP/HTTPS/WebSocket traffic capture
- Detailed request and response inspection
- Keyword-based filtering
- Rewrite and replay network responses
- Cross-device collaboration with PC client
- HAR file import and export
- Integrated encryption/decoding tools
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Packet Capture Pro is a professional network analysis, packet capture, HTTP proxy, and API testing tool for iPhone and Mac. Built for developers, QA engineers, API testers, and cybersecurity professionals, it helps you capture, inspect, intercept, and debug HTTP, HTTPS, and WebSocket traffic. Debug APIs, analyze app traffic, monitor networks, and automate testing with rewrite rules, request replay, and JavaScript scripts. Core features HTTP/HTTPS/WebSocket Packet Capture Capture and inspect network traffic in real time using a secure local VPN proxy. ● Capture HTTP, HTTPS, and WebSocket requests ● View requests, responses, cookies, headers, and payloads ● Multiple data viewers: Raw, Text, JSON, XML, HTML, Image, Media, and HEX ● Store capture history locally for offline analysis and replay Perfect for packet analysis, traffic inspection, API debugging, and network monitoring. Advanced API Testing & Request Debugging Powerful tools for API development and troubleshooting. ● Edit URLs, query parameters, headers, and request bodies ● Import captured requests for rapid API testing ● Monitor response times, status codes, and performance metrics ● Diagnose API failures, SSL issues, timeout errors, and network exceptions Ideal for REST API testing, mobile app debugging, and backend service validation. Rewrite Modify requests and responses dynamically with flexible rewrite rules. Supported Rewrite Modes: ● Request Replacement ● Response Replacement ● Request Modification ● Response Modification ● URL Redirection Automate testing workflows and simulate real-world network scenarios without changing application code. JavaScript scripts Automate API testing and network debugging with JavaScript. ● Modify HTTP/HTTPS requests and responses ● Process URLs, headers, bodies, JSON, text, and binary data ● Redirect requests and import or export scripts Advanced Replay Replay captured requests with configurable loops, delays, and intervals. ● API reproduction and debugging ● Performance validation ● Stress testing and load simulation ● Regression testing workflows Cross-Device Packet Capture & Network Debugging Capture network traffic on mobile and analyze it efficiently on desktop. Inspect requests, debug APIs, and troubleshoot issues on a larger screen. ● Sync mobile packet capture data to your computer in real time ● Connect devices quickly by scanning a QR code or entering connection details ● Inspect HTTP, HTTPS, and WebSocket requests and responses in real time ● Search, filter, and analyze network traffic Import / Export Work efficiently with industry-standard traffic formats. ● Import HAR files for packet analysis ● Export captured sessions as HAR or CSV ● Share debugging sessions with teammates ● Archive traffic data for future investigation. Precision Capture Rules Filter traffic intelligently and focus on what matters. ● Exclude specific domains from packet capture ● Capture HTTPS traffic only from selected domains Reduce noise and improve debugging efficiency. Developer Network Toolbox Everything you need for everyday network diagnostics. ● AES Encryption & Decryption ● URL Encoding & Decoding ● Base64 Encoding & Decoding ● Unicode Conversion ● MD5 Hash Generation ● Ping & TCP Ping Diagnostics ● Regular Expression Tester ● JSON Viewer / XML Viewer / HEX Viewer Privacy First Packet Capture Pro uses a local VPN configuration to capture and analyze network traffic securely on your device. ● No cloud uploads ● No data collection ● No third-party servers ● All captured traffic remains on your device Your requests, responses, API data, and packet capture history are stored locally, ensuring maximum privacy and security. Privacy Policy: https://pcp.realsignal.com/privacy Terms of Service: https://pcp.realsignal.com/terms Official Website & Support Download the companion Mac application and learn more about Packet Capture Pro: https://pcp.realsignal.com Discover more tools from RealSignal: https://www.realsignal.com
API Tool Pro
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Network Stream Test is a powerful and user-friendly tool for developers and testers. Effortlessly create, send, and manage HTTP and WebSocket requests, view detailed responses, and organize your API calls with tabs, history, and collections. The app also supports network stream testing, including m3u8 (HLS) video playback, making it ideal for streaming developers. Features include file and image upload, environment variable management, authentication support, and a modern, customizable interface with light and dark themes. Perfect for debugging, learning, and streamlining your API and streaming workflow. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: API Tool Pro at none against Packet Capture Pro's 5. API Tool Pro also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Packet Capture Pro's advantage is chart position (#195 vs unranked). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Packet Capture Pro sells 5 in-app purchases, starting at $1.99 per 7 days. API Tool Pro asks for nothing beyond the download.
Packet Capture Pro ships an update weekly, API Tool Pro every 3 days. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.
| Parameter | Packet Capture Pro | API Tool Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (15 ratings) — better | — |
| Positive reviews | 92.9% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #195 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | REALSIGNAL PTE. LTD. | Ashen Ishanka Costha |
In-app purchases
Packet Capture Pro
- Unlock all the features3 Days trial$1.997 Days
- Unlock all the features3 Days trial$4.991 Month
- Unlock all the features$4.991 Month
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- Unlock all the features3 Days trial$49.991 Year
- Unlock all the features$49.991 Year
API Tool Pro
No in-app purchases
Questions
Is Packet Capture Pro free?
Is API Tool Pro free?
Do Packet Capture Pro or API Tool Pro have ads?
Which is updated more often, Packet Capture Pro or API Tool Pro?
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