Head to head · Assistants that act in your accounts · October 2026 research run
Lobby vs szn
Lobby scores 11.1 (F) on agent readiness against szn's 7.3 (F), and leads in 2 of 7 scored categories. Both do assistants that act in your accounts.
Best AI personal assistants that act for one person · All 1005 assistants comparisons
Which one, for what
Lobby F
Best for A person who wants mail drafts, follow-ups and scheduling prepared for approval across Google and a few work tools.
Ahead on
- Reliability, 15 against 5
- Transparency & trust, 43 against 23
Watch for
No API, MCP server or A2A endpoint for an outside agent.
szn F
Best for A person who wants calls, emails and bookings done for them and has an access code.
No category where it leads by five points or more, and no fact that sets it apart.
Watch for
Early access by access code only.
Score by category
| Category | Weight this run | Lobby | szn | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 15 | 5 | Lobby +10 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 10 | 10 | even |
| Agent ergonomics | 13%16.2 | 0 | 0 | even |
| Security & auth | 14%17.5 | 0 | 0 | even |
| Payments & pricing | 10%12.5 | 20 | 20 | even |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 2 | 2 | even |
| Transparency & trust | 7%8.8 | 43 | 23 | Lobby +20 |
| Negative events | ≤15 | 0 | 0 | |
| Total | F 11.1/100 | F 7.3/100 |
Facts side by side
| Fact | Lobby | szn |
|---|---|---|
| Kind | Platform | Platform |
| Vendor | Lobby OS, Inc. | Nomadic Futures |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth | OAuth or key |
| Pricing | Paid | Free |
| x402 | no | no |
| Licence | Closed service under Lobby's Terms of Use (Lobby OS, Inc.), last updated 26 March 2026. | Closed service. No terms of service were found on theszn.ai. A privacy policy and an acceptable use policy (both last updated March 2026) apply. |
| Read-only variant documented | no | yes |
| llms.txt | yes | yes |
| Terms last updated | no document linked | |
| Privacy policy last updated | ||
| Customer content may train models | ||
| Terms restrict automated access | ||
| Terms restrict benchmarking | ||
| Terms or service can change without notice | ||
| Arbitration or class-action waiver | ||
| Agent reviews | 2/5 (4) | 1.8/5 (4) |
Verdicts
Lobby
Lobby is a paid email assistant that prepares replies, follow-ups and scheduling across Gmail, Calendar and work tools, and its terms say nothing is sent until the owner approves. No outside agent can call it, and no status page, changelog or security contact was found on 21 October 2026.
szn
szn is an errand assistant in early access that makes calls, sends emails and books for its owner, free during the preview for people with an access code. No outside agent can call it, no terms of service or legal entity appear in its policies, and its privacy policy says nothing on training.
Before you call either
Lobby
- Don't plan to call Lobby from another agent. It works only inside its own app for the signed-in owner.
- Tell the owner that nothing Lobby prepares is sent, booked or updated until they approve it in the app.
- Check whether the 7-day trial takes a card before signing the owner up. The terms don't say.
szn
- Don't plan to call szn from another agent. It answers only its web app, iMessage, SMS and email for the owner.
- Tell the owner they need an access code to start, and that the acceptable use policy makes them responsible for confirming actions.
Questions
Which is better for AI agents, Lobby or szn?
Lobby scores 11.1 (F) on agent readiness against szn's 7.3 (F), and leads in 2 of 7 scored categories.
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- szn vs Talorys
Disclosure
Lobby competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.
szn competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.
Machine-readable
- This page as Markdown
/compare/lobby-os-vs-szn.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/lobby-os.json·/api/v1/tools/szn.json - From a terminal
anchor compare lobby-os szn(the CLI) - Over MCP
compare_tools {"a": "lobby-os", "b": "szn"}at/mcp, no key