checkra1n is a semi-tethered jailbreak utility for older iPhone, iPad, iPod touch, and Apple TV devices vulnerable to the checkm8 bootrom exploit....
Pros
- Uses a hardware-level exploit that cannot be patched through an iOS update
- Generally reliable on supported A7-A11 devices
- Supports macOS and Linux rather than requiring a signing service
Cons
- Limited to older checkm8-compatible devices
- Requires a computer after every device reboot
- No official Windows version