Reviewed 2026-10-18
NoLock vs Perplexity AI (2026)
Why Perplexity AI cannot be used directly inside LockDown Browser, Honorlock, or Proctorio, and how NoLock provides stealth on-screen AI during exams.
Side-by-side comparison
| Dimension | NoLock | Perplexity AI |
|---|---|---|
| Locked browser compatibility | Floats over LockDown Browser, Safe Exam Browser, Examplify, and OnVUE | Web/app interface is inaccessible once a locked exam browser launches |
| Tab-switch detection | Zero focus loss; stays on top of the quiz window without activating | Alt-Tabbing to Perplexity logs a tab-switch event on Canvas and Blackboard |
Competitor information changes. Verify the latest details directly at https://perplexity.ai.
Frequently asked questions
Does Perplexity AI work inside Respondus LockDown Browser?
Web/app interface is inaccessible once a locked exam browser launches. NoLock is engineered natively for macOS and Windows 11 with verified Respondus LockDown Browser support and a dedicated Canvas Autosolver.
What is the main difference between NoLock and Perplexity AI?
Why Perplexity AI cannot be used directly inside LockDown Browser, Honorlock, or Proctorio, and how NoLock provides stealth on-screen AI during exams. NoLock operates as a native desktop overlay with a published per-proctor compatibility directory across Respondus LockDown Browser, Honorlock, Proctorio, Safe Exam Browser, Examplify, and Pearson OnVUE.
How should I compare NoLock with Perplexity AI before an exam?
Verify your exact operating system (macOS 14+ or Windows 11), LMS (Canvas, Blackboard, Brightspace, or Moodle), and required proctor, then test your workflow on a practice quiz before exam day.