SEGGER Ozone
Graphical debugger and performance analyzer for embedded applications.
At a glance
- Editor score5.2 / 10
- PricingPaid
- Best forEmbedded ARM and RISC-V teams
- Free planNo
- Supported languagesC, C++, Rust, Assembler
- Facts checked20 Sep 2026
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
Our verdict on SEGGER Ozone
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 breakpoints and register inspection. Ozone runs on Windows, macOS, and Linux and connects through J-Link, J-Trace, or a GDB server. Its single published plan, Ozone, includes graphical debugging and performance analysis capabilities.
The standout feature is the breadth of embedded diagnosis in one environment. Developers can use conditional code and data breakpoints, inspect registers and memory, analyze Cortex-M exceptions and vector catches, and work with instruction tracing. RTOS awareness covers embOS, FreeRTOS, ChibiOS, NuttX, and Zephyr. Code profiling, code coverage statistics, and power profiling extend the workflow from finding defects to examining runtime behavior and resource use. C-language scripting supports workflow automation, while remote debugging works through J-Link Remote Server or a tunnel server.
According to the vendor’s pricing information, Ozone is a paid product with a perpetual license model. Certain J-Link and J-Trace products include an Ozone license. The published plan combines source debugging, trace, profiling, coverage, scripting, RTOS awareness, and remote access rather than separating these capabilities across multiple listed tiers. Choose Ozone if your team needs a dedicated embedded debugger for ARM or RISC-V and values detailed execution and performance analysis. Teams seeking a free debugging tool or a broader, non-embedded development environment should consider alternatives.
SEGGER Ozone pricing
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SEGGER Ozone fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Supported languages | C, C++, Rust, Assembler |
| Target platforms | ARM, RISC-V |
| Remote debugging | Yes |
| Conditional breakpoints | Yes |
| Exception breakpoints | Yes |
| Time-travel debugging | Not verified |
| Core dump debugging | Not verified |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Email, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | segger.com |
| Facts checked | 20 Sep 2026 |
Alternatives to SEGGER Ozone
- GDBA free, open-source debugger with unusually broad language, target, and remote-debugging coverage.—
- LLDBA capable, free debugger for C/C++ and Apple-platform development.—
- WinDbgA free, deeply capable debugger for Windows applications, drivers, and crash analysis.—
See all SEGGER Ozone alternatives →
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