# Thermal Canary Pro > Thermal Canary Pro is a paid PyQt6 desktop app for Linux that watches CPU/GPU > thermals in real time and warns you before hardware damage happens. It is a > paid extension on top of the free, open-source Thermal Canary app. Built for > Linux gamers, overclockers, and daily-driver users running expensive GPUs > (RTX 4070, RX 7900 XT and similar) who cannot afford to fry them. One-time > purchase, no subscription: 49 euros at launch, 59 euros afterward. ## Product - [Homepage](https://www.thermalcanary.com/): full feature breakdown, pricing, comparison table, FAQ - [What's New](https://www.thermalcanary.com/changelog): version history and release notes ## Comparisons - [vs AIDA64](https://www.thermalcanary.com/vs/aida64): AIDA64 does not run on Linux, this is the closest equivalent for the thermal-monitoring side of what it did on Windows - [vs HWiNFO64](https://www.thermalcanary.com/vs/hwinfo64): HWiNFO64 does not run on Linux, this is the closest equivalent for the thermal-monitoring side of what it did on Windows ## Key features (Pro) - Crash Black Box: 60-second rolling sensor buffer, auto-dumped when the GPU crashes or the PC reboots unexpectedly - Throttle Detector: identifies whether an FPS drop was caused by a thermal, power, or voltage limit, in plain English - Before/After Benchmark: compare sessions side by side after a repaste, undervolt, or fan swap, with a shareable PNG - Smart Alert Overlay: a silent toast warning over fullscreen games when temperatures cross a danger threshold - Hotspot Delta Analyzer: tracks GPU edge-vs-junction temperature delta over weeks to detect drying thermal paste ## Legal - [Legal Notice](https://www.thermalcanary.com/legal-notice) - [Privacy Policy](https://www.thermalcanary.com/privacy-policy) - [Terms of Sale](https://www.thermalcanary.com/terms) - [Refund Policy](https://www.thermalcanary.com/refund-policy) ## Free app (open source) - [Thermal Canary on GitHub](https://github.com/ibasaw/thermalcanary) - [Releases](https://github.com/ibasaw/thermalcanary/releases)