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Z-Cron vs System Scheduler: catalog facts
Z-Cron	System Scheduler
Freemium Freeware version available; a paid professional version adds service control.	Paid System Scheduler Professional is paid, with a free trial available.
Windows	Windows
Runs tasks without a user logged in Many built-in task types for files, programs and power	Schedules applications, scripts and emails Monitors running processes and services
Windows only Service control requires the professional version	Windows only Professional edition requires a purchase after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.