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Head-to-head · Debuggers

GDB vs SEGGER Ozone

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score GDB #1 in Debuggers 9.4/10 Free plan Free plan✓ 5 of 5 features Visit GNU Project
SEGGER Ozone #11 in Debuggers 7.9/10 Paid ✓ 3 of 5 features Visit SEGGER Ozone

GDB leads on 1 check, SEGGER Ozone on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGDB · 9.4/10
  • Free planonly GDB
  • Most featuresGDB · 5 of 5

GDB scores higher on our rubric for debuggers: 9.4 against 7.9 out of 10; our editors rank them #1 and #11.

GDB offers free plan; SEGGER Ozone doesn't.

GDB is the better fit for broad native and systems debugging. SEGGER Ozone is the better fit for embedded ARM and RISC-V teams.

  • GDB fits best

    Broad native and systems debugging

  • SEGGER Ozone fits best

    Embedded ARM and RISC-V teams

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Side by side

Feature GDB 9.4/10 Visit ↗ SEGGER Ozone 7.9/10 Visit ↗
At a glance
Editor score 9.4 7.9
Ranking #1 in Debuggers #11 in Debuggers
Best for Broad native and systems debugging Embedded ARM and RISC-V teams
Pricing model Free Paid
Starting price Free plan —
Free plan ✓ (best) —
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Community, Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features GDB 5/5 · SEGGER Ozone 3/5
Remote debugging ✓ ✓
Conditional breakpoints ✓ ✓
Exception breakpoints ✓ ✓
Time-travel debugging ✓ (best) Not checked yet
Core dump debugging ✓ (best) Not checked yet
Specs
Supported languages Ada, Assembly, C, C++, D, Fortran, Go, Objective-C, OpenCL, Modula-2, Pascal, Rust C, C++, Rust, Assembler
Target platforms UNIX, Microsoft Windows, macOS; native, remote, and simulator targets ARM, RISC-V
Our review
Pros
  • Supports Ada, C, C++, Go, Rust, Fortran, Pascal, and assembly
  • Includes remote debugging, core dumps, and simulator targets
  • Offers reverse execution, replay, and program-state modification
  • Source-level debugging for C, C++, Rust, and assembler
  • RTOS awareness, instruction tracing, profiling, and coverage
  • Remote debugging, scripting, and power profiling support
Cons
  • No AI-assisted debugging features
  • Remote debugging uses serial, socket, TCP, or UDP connections
  • Its language coverage centers on native and systems-oriented development
  • Paid product with no free plan
  • Focused on embedded microcontroller development workflows
  • Advanced capabilities depend on compatible debug connections
Our verdict

GDB is a free, open-source source-level debugger for examining programs while they run or after they crash. It is aimed at developers working across native applications, systems software, embedded or remote targets, and simulator…

Read the review →

SEGGER Ozone is a standalone source-level debugger and performance analyzer for embedded applications running on ARM and RISC-V microcontrollers. It is aimed at teams working with C, C++, Rust, or assembler who need more than basic…

Read the review →
  1. GDBDebuggers 9.4Free plan
  2. SEGGER OzoneDebuggers 7.9Paid

Strengths and trade-offs

  • GDB — where it wins

    • Supports Ada, C, C++, Go, Rust, Fortran, Pascal, and assembly
    • Includes remote debugging, core dumps, and simulator targets
    • Offers reverse execution, replay, and program-state modification

    Where it doesn't

    • No AI-assisted debugging features
    • Remote debugging uses serial, socket, TCP, or UDP connections
    • Its language coverage centers on native and systems-oriented development
  • SEGGER Ozone — where it wins

    • Source-level debugging for C, C++, Rust, and assembler
    • RTOS awareness, instruction tracing, profiling, and coverage
    • Remote debugging, scripting, and power profiling support

    Where it doesn't

    • Paid product with no free plan
    • Focused on embedded microcontroller development workflows
    • Advanced capabilities depend on compatible debug connections

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update