NetworkSpy
- Android app
- Not listed
- Free plan
- Yes
- Paid plans from
- $1.50/mo
- Runs on
- Linux, Mac, Windows
Summary
NetworkSpy is an application-level HTTP/HTTPS debugging tool for capturing and analyzing network traffic. It can intercept HTTPS, inspect request metadata, compare requests side by side, and let users edit and replay requests. Breakpoints can pause or change live traffic, and response mocking is supported. NetworkSpy also inspects WebSocket messages in real time and supports gRPC with Protobuf decoding. Its LLM analyzer displays streaming tokens, token usage, and per-chunk latency; custom viewers can help visualize proprietary binary or other structured data. It runs on Linux, macOS, and Windows, and physical iOS and Android devices can be configured to use it as a proxy. The privacy policy says inspected traffic stays on the user's machine and is not collected or monitored. A free plan is available; Personal costs $18.00 USD per year, Professional $29.00 USD per year, and Business $149.00 USD per month. License terms limit individual licenses to one device.
Who it is for
NetworkSpy suits developers who need to inspect, edit, replay, or mock network traffic across desktop and mobile devices. Its token analysis, custom viewers, and team plans may also suit people debugging AI streams or working with colleagues.
What is good
- Inspects HTTPS, WebSockets, and gRPC traffic.
- Can edit, replay, and mock requests.
- Breakpoints can pause or change live traffic.
- Inspected traffic stays local, according to its policy.
- Free plan available.
What to know first
- Individual licenses are limited to one device.
- Team Starter costs $49.00 USD per month.
- Business costs $149.00 USD per month.
Verdict
NetworkSpy brings request inspection, editing, replay, breakpoints, and response mocking into one debugging tool. Check the device-license limit and plan features against your workflow before choosing a paid plan.
NetworkSpy plans and pricing
All plansCompared on web debugging proxies
- Free plan
- Yesnetworkspy.app
- Platforms
- desktopnetworkspy.app
- Request/response editing
- Yesnetworkspy.app
- Breakpoint rules
- Yesnetworkspy.app
- Traffic replay
- Yesnetworkspy.app
- Response mocking
- Yesnetworkspy.app
- WebSocket inspection
- Yesnetworkspy.app
Facts
- Purpose
- NetworkSpy is an application-level HTTP/HTTPS debugging tool for capturing and analyzing network traffic.networkspy.app · 4 Oct 2026
- Traffic inspection
- It supports HTTPS interception, request metadata inspection, and side-by-side comparison of requests.networkspy.app · 4 Oct 2026
- Replay and breakpoints
- Users can modify and replay captured requests and pause or change live traffic with breakpoints.networkspy.app · 4 Oct 2026
- AI traffic analysis
- Its LLM analyzer visualizes streaming tokens, tracks token usage, and shows latency for each chunk.networkspy.app · 4 Oct 2026
- Extensibility
- The product supports custom viewers for visualizing proprietary binary formats or other structured data.networkspy.app · 4 Oct 2026
- Integrations
- The site lists a native Model Context Protocol bridge for connecting traffic to AI agents and SSO/SAML integration on the Business plan.networkspy.app · 4 Oct 2026
- Protocols
- The pricing FAQ says NetworkSpy supports gRPC, including Protobuf decoding, and WebSockets with real-time message streaming.networkspy.app · 4 Oct 2026
- Mobile device inspection
- The pricing FAQ says physical iOS and Android devices can be configured to use NetworkSpy as a proxy for traffic inspection.networkspy.app · 4 Oct 2026
- Supported desktop systems
- The download page lists macOS, Linux, and Windows, including Apple Silicon support, Debian/Ubuntu packages, and Windows 10/11 support.networkspy.app · 4 Oct 2026
- Traffic privacy
- The privacy policy says inspected network traffic is not collected or monitored and remains local to the user's machine.networkspy.app · 4 Oct 2026
- Account data
- The privacy policy says NetworkSpy collects email addresses, license keys, and anonymous device identifiers for licensing and account purposes.networkspy.app · 4 Oct 2026
- Support
- The Professional plan includes priority email support, while Business includes priority 24/7 support.networkspy.app · 4 Oct 2026
- Refund terms
- The pricing page offers a 30-day money-back guarantee, while the Terms of Service say refunds are generally not provided except as required by law or specified in the refund policy.networkspy.app · 4 Oct 2026
- License limit
- The pricing FAQ says an individual license is limited to one device and team licenses are per-seat.networkspy.app · 4 Oct 2026
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Sources
- networkspy.app· checked 4 Oct 2026
- networkspy.app/pricing· checked 4 Oct 2026
- networkspy.app/download· checked 4 Oct 2026
- networkspy.app/privacy· checked 4 Oct 2026