One-Tap Lock · Auto-Lock · Black Screen Writing · Homework Board
One-tap lock, auto-idle lock, black-screen writing mode, and a built-in homework board. UFreez secures your display and makes it more useful for teaching.
See how UFreez secures your display, turns it into a blackboard, and lets you assign homework — all in one tool.
▶ Watch UFreez in action
From one-tap lock to black-screen writing and homework — UFreez turns every interactive display into a secure, focused, classroom-ready tool.

From any screen, lock instantly via shortcut key or the notification bar — protecting your current work and privacy in a single tap.

Set a custom idle timeout and UFreez locks the screen automatically — no manual action needed, keeping the shared display secure when left unattended.

Switch the display to a fully black state and write on it like a traditional blackboard — backlight off, stylus on. Save energy, cut glare, and keep every eye on your content.

A clean white input form appears on the black screen — type the day's homework assignments by hand, then display or export them for students to copy down.
From K-12 classrooms to enterprise meeting rooms and public kiosks — UFreez fits the way your team works.
Lock the display, switch to black-screen writing like a blackboard, and post homework assignments for students to copy.
Auto-lock secures confidential content when the room is empty; black-screen mode keeps attention on the presenter.
Auto-lock protects the display when unattended; one-tap lock for immediate security.
Quick answers to common questions about UFreez.
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