Reviewed 2026-10-18
NoLock vs ChatGPT Desktop App (2026)
Why the official ChatGPT macOS/Windows desktop app gets blocked or logged during LockDown Browser and Canvas exams, and how NoLock solves it.
Side-by-side comparison
| Dimension | NoLock | ChatGPT Desktop App |
|---|---|---|
| Respondus LockDown Browser process check | Engineered specifically to run over LockDown Browser on macOS and Windows 11 | LockDown Browser terminates or blocks standard ChatGPT desktop windows and shortcuts |
| Canvas Quiz Log focus tracking | Non-activating panel never steals OS window focus from Canvas | Clicking the ChatGPT app window immediately logs 'Stopped viewing the Canvas quiz-taking page' |
| Screen sharing & live proctors | Overlay is excluded from OS screen capture and screen sharing | Standard ChatGPT window is 100% visible on Proctorio, Honorlock, and OnVUE screen recordings |
| Multi-model access | Includes GPT 6 Astra, GPT 5.6 Sol, Gemini 3.1 Pro, and Gemini 3.8 Flash in one picker | OpenAI models only |
Competitor information changes. Verify the latest details directly at https://openai.com.
Frequently asked questions
Does ChatGPT Desktop App work inside Respondus LockDown Browser?
LockDown Browser terminates or blocks standard ChatGPT desktop windows and shortcuts. 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 ChatGPT Desktop App?
Why the official ChatGPT macOS/Windows desktop app gets blocked or logged during LockDown Browser and Canvas exams, and how NoLock solves it. 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 ChatGPT Desktop App 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.