checkra1n vs Linux Exploit Suggester 2: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
checkra1n is a free penetration testing tool. Linux Exploit Suggester 2 is a free penetration testing tool. Compare features, ratings, integrations, and community reviews side by side to find the best penetration testing fit for your security stack. Independent and vendor-neutral: we never sell rankings.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Penetration testers and iOS security researchers targeting iPhone 5s through iPhone X need checkra1n for its semi-tethered access to A9-A11 chipsets via the unfixable checkm8 bootrom exploit, which remains unpatched across all iOS versions. The exploit persists because Apple cannot patch bootrom vulnerabilities in hardware already in the field, making checkra1n the only reliable jailbreak for these legacy devices in controlled testing environments. Skip this tool if your scope includes iPhone XS and newer; checkra1n's bootrom approach doesn't reach A12 and later chips, and you'll waste time on incompatible devices.
Penetration testers and security researchers who need fast privilege escalation attack paths during engagements will get immediate value from Linux Exploit Suggester 2; it cuts the reconnaissance phase by matching kernel versions directly to exploitable CVEs without manual database hunting. The 1,960 GitHub stars and active maintenance mean the exploit signatures stay current enough for most standard Linux distributions. Skip this if you're looking for a full post-exploitation framework or something that handles non-kernel vulnerabilities; this tool is deliberately narrow, which is exactly why it's fast.
