Best undetectable AI meeting assistants for real-time guidance: tools, software & alternatives (2026)
By The Assistly team ·
Two promises define this category, and most tools only keep one of them. Undetectable means the assistant never shows up: not in the participant list, not in a screen share, not in a recording. Real-time guidance means it helps you during the conversation with talking points, answers, and structure, rather than a transcript afterward. Plenty of software delivers one; the shortlist that delivers both is small.
Here is how the field breaks down, with the caveats attributed.
What "both promises" requires
- A native overlay rather than a browser tool. Only a native app can use the OS-level mechanism that excludes a window from screen capture, which is the verifiable core of "undetectable" (see how undetectable AI overlays work). Extensions live in the tab you might share.
- No bot in the call. Anything that joins the meeting is visible by definition, which rules out every notetaker.
- Streaming latency. Guidance that arrives 5 seconds late creates the silent-stare tell that undoes the invisibility.
- A way past process scans. Monitored platforms match running process names against blocklists. A renamable app defeats that; a famous fixed name doesn't.
1. Assistly: both promises, on every plan
Assistly is a native always-on-top overlay for macOS (Apple silicon, macOS 13+) and Windows 10/11. It never joins your call, and the overlay is excluded from screen capture at the OS level on every plan. Invisibility isn't an upsell.
On the guidance side: token-by-token streaming keeps help conversational; it captures the call's own audio (headphones are fine) and separates every speaker, so suggestions track who said what; personas built from your CV, notes, and docs keep answers in your voice; and every session ends with organized notes and action items. It covers meetings, sales calls, and interviews alike. The app is renamable with a custom icon for process-scan anonymity.
Pricing is the simplest in the category: Free is 3 sessions/month (15 minutes each, full feature set, no card); Pro is $14.99/month, unlimited.
2. Cluely: biggest brand, invisibility gated
Cluely has the most reach: a16z-backed, an overlay across macOS/Windows/iOS, and enterprise features. The catch for this specific search is that the undetectability that matters is reportedly gated to a ~$149.99/month "Pro + Undetectability" tier, independent tests measured 5–10s+ latency against an advertised ~300ms, and Trustpilot sits around 1.8/5 on billing complaints. It is a strong brand; verify the tier you'd need. Alternatives roundup: best Cluely alternatives.
3. LockedIn AI: strong live coding, visible extension
LockedIn AI delivers good live coding guidance. But its Chrome extension is visible on screen share, reviewers describe a 4–5 second "latency stare," and there are reports of detection via process scans on proctored platforms. Reported pricing is ~$49.99/mo. If you never share a screen, it is workable, and that is a big if. See best LockedIn AI alternatives.
4. Final Round AI & Sensei AI: suites with visibility problems
Final Round AI is a broad job-hunt suite whose live copilot reviewers describe as generic and laggy, with the browser version detectable on screen share, plus persistent billing complaints. Sensei AI is browser-based end to end, and testers report being caught during screen shares. Both are better thought of as prep suites than as undetectable live copilots.
The quick table
| Tool | Invisible on screen share | Real-time latency | Invisibility included? | Reported price |
|---|---|---|---|---|
| Assistly | Native, all plans | Streaming | Yes, every plan | $14.99/mo flat |
| Cluely | Top tier only | 5–10s+ measured | ~$149.99/mo tier | ~$20–150/mo |
| LockedIn AI | Extension visible | 4–5s reported | – | ~$49.99/mo |
| Final Round AI | Browser detectable | Laggy, reported | No | ~$99–149/mo |
| Sensei AI | Caught in tests | Sub-second claimed | No | ~$24–89/mo |
Pricing and features change; verify on each vendor's site.
Alternatives if your priorities differ
- You only want the record, not live help: an undetectable note-taking setup, covered in undetectable note-taker for meetings.
- Your team consents to visible AI: Zoom AI Companion or a notetaker bot is simpler (the best AI meeting assistants).
- Interviews specifically: the ranked field in best AI interview assistants.
The responsible-use footnote
Undetectable software is still your responsibility. Use it within the rules of the meeting or process you're in, and mind recording-consent laws. The legitimate promise here is being prepared and present without a panel in the frame, and nothing more.
Start free with Assistly: full feature set, 3 sessions a month, no card.