CS+ pricing
2 plans read from renesas.com
CS+ for CA,CXFree IDE is free · compiler evaluation editions may restrict object size or available memory Read 3 Oct 2026 · renesas.com
CS+ for CCFree IDE is free for development and production · compiler evaluation limits apply when using an evaluation compiler Read 3 Oct 2026 · renesas.com
In short
- CS+ has a free plan (CS+ for CA,CX).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Arm Keil MDK | $99/mo | Yes | No |
| Arduino IDE | — | Yes | No |
| IAR Embedded Workbench | — | Yes | Yes |
| CrossWorks for ARM | — | No | Yes |
| ESP-IDF Extension for VS Code | — | Yes | No |
| Eclipse IDE | — | Yes | No |
| e² studio | — | Yes | No |
| PlatformIO IDE | $20.75/mo | Yes | No |