• Endpoint & Device Security

Sigma Vision

On-device AI content blocker for Windows and Mac that detects explicit content on screen and locks the device after warnings.

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Overview

About Sigma Vision

Sigma Vision analyzes what is shown on screen in real time using on-device AI, warns the user when explicit content appears and locks the screen, keyboard and mouse once a warning limit is reached. Family and Pro plans add a dashboard, multiple devices and email notifications.

What it does

Sigma Vision runs locally on Windows and macOS, inspecting on-screen content rather than relying on URL lists alone, and combines this with a blocklist of known adult sites. When content is detected it shows configurable warnings and fully locks the device after the limit. Higher plans manage several devices from a family dashboard, apply per-device settings and email a parent or accountability partner.

Where it fits

It sits on a household or personal computer as a content safety layer, complementing router-level filters and browser parental controls that only block known addresses.

Who it suits

Parents managing shared computers, adults who want help changing habits and couples using accountability tools.

Editorial view

Strengths and limitations

Written by our editors to the same standard for every product.

Strengths

  • Screen analysis runs on the device
  • Works beyond browser URL blocking
  • Multi-device family dashboard

Limitations

  • Desktop only, no mobile apps
  • No free plan
  • Narrow focus on explicit content blocking

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What users say

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Company

About Sigma Vision

From the vendor

Provided by the vendor and reviewed by our editors; not independently verified.

Website
sigmaio.sk

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Written to the Vouchfull editorial standard: what the tool does, where it fits, strengths and limitations with equal weight, and who it suits. No vendor paid for this listing or for its position anywhere on the site. Last editorial update .

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