Best Debugging Tools in China

Bugsnag monitors application stability so you can make data-driven decisions on whether you should be building new features, or fixing bugs. ‍ We are a full stack stability monitoring solution with best-in-class functionality for mobile applications. Rich, end-to-end diagnostics to help you reproduce every error. A simple and thoughtful user experience for all your apps in one dashboard. The definitive metric for app health — the common language for product and engineering teams. Not all bugs are worth fixing. Focus on the ones that matter to your business. Extensible libraries with opinionated defaults and countless customization options. Subject matter experts who care deeply about error reduction and the health of your apps.

Sentry is an application monitoring and observability platform that helps developers identify, diagnose, and resolve software issues across web, mobile, backend, and AI-powered applications. Designed with a developer-first approach, the platform combines error monitoring, performance tracing, logs, session replay, profiling, metrics, and uptime monitoring into a unified environment connected by a single trace. Sentry enables engineering teams to quickly move from issue detection to root cause analysis and remediation, providing deep visibility into application behavior and user experiences. Its AI-powered debugging capabilities help developers identify underlying causes, generate fixes, and prevent regressions before code reaches production.

Discover, predict, and resolve errors in real-time. Go beyond crash reporting, error tracking, logging and error monitoring. Get instant and accurate alerts — plus a real-time feed — of all errors, including unhandled exceptions. Our automation-grade grouping uses machine learning to reduce noise and gives you error signals you can trust.

Thundra is a developer platform company that empowers application teams to develop, debug, test, and monitor modern microservices on the cloud. By offering everything from automated instrumentation to cloud debugging and test optimization in a single platform, Thundra eliminates the need for multiple tools for pre-production and production environments

Log management. Upgraded. With Honeycomb. Honeycomb is built for modern dev teams to better understand application performance, debug & improve log management. With rapid query, find unknown unknowns across system logs, metrics & traces with interactive charts for the deepest view against raw, high cardinality data. Configure Service Level Objective (SLOs) on what users care about so you cut-down noisy alerts and prioritize the work. Reduce on-call toil, ship code faster and keep customers happy. Pinpoint the cause. Optimize your code. See your prod in hi-res. Our SLOs tell you when your customers are having a bad experience so that you can immediately debug why those issues are happening, all within the same interface. Use our Query Builder to easily slice and dice your data to visualize behavioral patterns for individual users and services (grouped by any dimensions).

Instabug provides in-app feedback and bug reporting to mobile apps. After integrating the SDK, it allows you to have seamless two-way communication with users or testers while providing detailed environment report for developers. The integration process takes less than a minute and the results are outstanding! The top apps in the world rely on Instabug. We provide exceptional support 24/7 and is constantly rated highly as a bug reporting & tracking tool. Expand your mobile team's understanding of performance and user experience to enable faster fix times, precise performance metrics and error prioritization. With visibility into 100% of user sessions, quickly prioritize to focus on the issues that matter most to you and your user’s experience. Quickly integrate instabug to your apps with a single line of code. Instabug enables your team to find the balance between new feature development and stability.

Don’t let app, device, or game crashes get in the way of a great experience. Backtrace takes all the manual labor out of cross-platform crash and exception management so you can focus on shipping. Cross-platform callstack and event aggregation and monitoring. Process errors from panics, core dumps, minidumps, and during runtime across your stack with a single system. Backtrace generates structured, searchable error reports from your data. Automated analysis cuts down on time to resolution by surfacing important signals that lead engineers to crash root cause. Never worry about missing a clue with rich integrations into dashboards, notification, and workflow systems. Answer the questions that matter to you with Backtrace’s rich query engine. View a high-level overview of error frequency, prioritization, and trends across all your projects. Search through key data points and your own custom data across all your errors.

Zipy is the go-to digital experience platform that combines product analytics, error monitoring, and session replay capabilities in one. Here, you can gain deep insights into user behavior, reduce time to resolution of issues, and enhance customer satisfaction.

Request Metrics makes web performance easy with real-user monitoring and automated Lighthouse testing—helping you boost Core Web Vitals, SEO, and user experience. Track real visitors, not just lab tests, with automatic noise cancellation, actionable insights, and detailed element attribution. Our scheduled Lighthouse tests detect regressions before they hurt rankings, while real-user data keeps you informed on how your site performs in the wild. Filter by page, device, region, or vendor to uncover performance bottlenecks, and get instant alerts when something slows down. With built-in vendor tracking, you’ll know exactly which third-party scripts are hurting your load times. No complicated setup, no code changes—just fast, reliable performance monitoring designed for modern websites. Get started for free today!

neatlogs is a collaborative debugging and AI reliability platform that provides all the tools your team needs to identify, understand, and fix AI agent issues efficiently Here’s what you can do today: - Trace and replay: See what your agent did, step by step. - Detect failures: Automatically flag traces using conditions, patterns, and classifiers. - Investigate: Ask Neat AI to investigate runs and turn its findings into fixes. - Evals: Route traces to human or AI reviewers and measure quality over time. - Experiment: Version prompts, test changes, and evaluate them against datasets. - Fix: Review AI-generated fixes and dispatch them to your coding agent. - Connect your tools: Connect your apps through Tools and MCPs so Copilot and Neat Agent can use them on your behalf. - Track production: Monitor cost, latency, errors, tools, and detection trends across your traces. Unlike other tools that are built only for technical audiences, neatlogs is accessible and understandabl