Advanced content filtering that protects student privacy while maintaining effective safety. It's not a promise—it's cryptographically impossible for us to see browsing data.
No matter which layer handles your request, your privacy is always protected.
Handles most websites
Most websites are checked instantly on your device without any data leaving your phone.
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For some websites
When needed, we check securely through encryption. No one can see what website you're visiting.
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For unclear cases
For tricky websites, smart technology on your device makes the decision. Everything stays private.
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Traditional filters promise not to look at your browsing data. Prism makes it cryptographically impossible to look. It's not trust—it's math.
Traditional filters ask you to trust them. Prism makes trust unnecessary through cryptography.
Can see browsing history
Can track individual students
Cryptographic privacy guarantee
On-device processing
Zero-knowledge architecture
Sub-millisecond response
Works offline (local filter)
Low battery impact (<2%)
Server dependency
URL-level precision
AI-powered classification
99%+ block accuracy
Real-time threat updates
Trust through math, not promises
Whether you're a student, parent, administrator, or developer—we have information tailored for you.
Not sure where to start?
See How Prism Works