Both translate a 5-field cron expression into a human-readable schedule. Functionally equivalent for this core task.
Crontab.guru is a single tool at a single URL — there's no dedicated page for "every 5 minutes" or "weekdays at 9am" specifically. This site has individual pages per common schedule, each with a real-world use case, at /cron/every-5-minutes, /cron/weekdays-at-9am, and others.
Crontab.guru is a single text box — nothing to load beyond it, which is a genuine advantage if that's all you need. This tool shows the same result alongside a breakdown of each of the five fields.
Crontab.guru is cron-only. This tool sits alongside regex, JSON, JWT, and hash tools in one app.