Head to head · Assistants reached by message · October 2026 research run
Tab vs Zapia
Zapia scores 17.3 (F) on agent readiness against Tab's 10.7 (F), and leads in 3 of 7 scored categories. Both do assistants reached by message.
Best AI personal assistants that act for one person · All 834 assistants comparisons
Which one, for what
Tab F
Best for A person who wants a texting assistant that browses, calls and buys with tight checkout controls.
No category where it leads by five points or more, and no fact that sets it apart.
Watch for
Private beta behind a waitlist.
Zapia F
Best for Spanish- and Portuguese-speaking users who want an assistant over their mail, calendar, Drive and WhatsApp in an app.
Ahead on
- Reliability, 15 against 5
- Payments & pricing, 30 against 0
- Transparency & trust, 59 against 45
Watch for
No API, MCP server or A2A endpoint, and the terms forbid unauthorised automated connections.
Score by category
| Category | Weight this run | Tab | Zapia | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 5 | 15 | Zapia +10 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 0 | 0 | even |
| Agent ergonomics | 13%16.2 | 0 | 0 | even |
| Security & auth | 14%17.5 | 4 | 3 | Tab +1 |
| Payments & pricing | 10%12.5 | 0 | 30 | Zapia +30 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 58 | 56 | Tab +2 |
| Transparency & trust | 7%8.8 | 45 | 59 | Zapia +14 |
| Negative events | ≤15 | 0 | 0 | |
| Total | F 10.7/100 | F 17.3/100 |
Facts side by side
| Fact | Tab | Zapia |
|---|---|---|
| Kind | Platform | Platform |
| Vendor | Terrasoft, Inc. | Brainlogic AI S.A.S. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth or key | OAuth or key |
| Pricing | Paid | Freemium |
| x402 | no | no |
| Licence | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). | Closed service under Zapia's terms and conditions (Brainlogic AI SAS). No date was found on the terms. |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | none | 2026-10-12 |
| Terms last updated | ||
| 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 |
Verdicts
Tab
Tab is a private-beta texting assistant with a detailed security page on credential isolation and checkout binding, and a public updates page. No outside agent can call it, no price is published, and its privacy policy says nothing on training with user content.
Zapia
Zapia is a personal assistant app for iOS, Android and the web with a free plan that isn't a trial, weekly iOS releases and explicit confirmation before anything that writes. No outside agent can call it, and no status page, security contact or hosting location was found.
Before you call either
Tab
- Don't plan to call Tab from another agent. It answers only the owner's Messages or WhatsApp thread.
- Tell the owner that access needs a waitlist place and no price is published.
Zapia
- Don't plan to call Zapia from another agent. It answers only in its own app and on the web, and the terms forbid unauthorised automated access.
- Tell the owner that Pro and Ultra trials become paid after 7 days unless cancelled in the app store.
Questions
Which is better for AI agents, Tab or Zapia?
Zapia scores 17.3 (F) on agent readiness against Tab's 10.7 (F), and leads in 3 of 7 scored categories.
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Disclosure
Tab 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.
Zapia 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/tab-bot-vs-zapia.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/tab-bot.json·/api/v1/tools/zapia.json - From a terminal
anchor compare tab-bot zapia(the CLI) - Over MCP
compare_tools {"a": "tab-bot", "b": "zapia"}at/mcp, no key