WinDbg vs UDB

WinDbg9.0Visit UDB8.0Visit

Higher score WinDbg #3 in Debuggers 9.0/10 Free plan Free plan✓ 5 of 5 features Visit Microsoft

vs

UDB #10 in Debuggers 8.0/10 Pricing on request ✓ 5 of 5 features Visit Undo

• WinDbg fits best

  Windows and kernel debugging

• UDB fits best

  Linux C/C++ reverse debugging

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Side by side

Feature	WinDbg 9.0/10 Visit ↗	UDB 8.0/10 Visit ↗
At a glance
Editor score	9.0	8.0
Ranking	#3 in Debuggers	#10 in Debuggers
Best for	Windows and kernel debugging	Linux C/C++ reverse debugging
Pricing model	Free	Paid
Starting price	Free plan	—
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Desktop	Self-hosted
Platforms	Windows	Linux
Support	Docs	Email, Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features WinDbg 5/5 · UDB 5/5
Remote debugging	✓	✓
Conditional breakpoints	✓	✓
Exception breakpoints	✓	✓
Time-travel debugging	✓	✓
Core dump debugging	✓	✓
Specs
Supported languages	C++, C#, JavaScript, assembly	C, C++
Target platforms	Windows; Linux crash dumps	Linux
Our review
Pros	Combines user-mode and kernel-mode debugging for Windows code and drivers Supports crash dumps, remote sessions, and configurable exception handling Time Travel Debugging records and replays execution for deeper analysis	Replays recorded execution forward or backward Supports core dumps, remote debugging, and GDB compatibility Integrates with VS Code, CLion, Eclipse, and Emacs
Cons	Its primary focus is Windows rather than cross-platform debugging Linux support centers on kernel and ELF core-dump analysis The broad feature set may be more than basic application debugging requires	Supports Linux rather than multiple operating systems No general free plan for ongoing use Enterprise package pricing requires contacting sales
Our verdict	WinDbg is Microsoft’s debugger for live user-mode and kernel-mode code, crash dumps, and minidumps. It is aimed at software developers, driver developers, system engineers, and incident investigators working with Windows applications,… Read the review →	UDB is an interactive debugger for developers working with Linux C and C++ applications. Its central capability is recorded program history: developers can replay execution forward or backward while inspecting variables and memory. It also… Read the review →

Strengths and trade-offs

• WinDbg — where it wins

  • Combines user-mode and kernel-mode debugging for Windows code and drivers
  • Supports crash dumps, remote sessions, and configurable exception handling
  • Time Travel Debugging records and replays execution for deeper analysis

  Where it doesn't

  • Its primary focus is Windows rather than cross-platform debugging
  • Linux support centers on kernel and ELF core-dump analysis
  • The broad feature set may be more than basic application debugging requires

• UDB — where it wins

  • Replays recorded execution forward or backward
  • Supports core dumps, remote debugging, and GDB compatibility
  • Integrates with VS Code, CLion, Eclipse, and Emacs

  Where it doesn't

  • Supports Linux rather than multiple operating systems
  • No general free plan for ongoing use
  • Enterprise package pricing requires contacting sales

• WinDbg9.0/10 · Free plan

  A free, deeply capable debugger for Windows applications, drivers, and crash analysis.

  Visit MicrosoftFull verdict →
• UDB8.0/10 · Pricing on request

  A Linux C/C++ debugger built around recorded forward and reverse execution.

  Visit UndoFull verdict →