Head to head · Assistants reached by message · October 2026 research run
Caddy vs Tab
Caddy scores 16.7 (F) on agent readiness against Tab's 10.7 (F), and leads in 4 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
Caddy F
Best for People who want a free assistant in iMessage or RCS that watches mail, calendars and work tools and asks before acting.
Ahead on
- Reliability, 10 against 5
- Schema & documentation, 10 against 0
- Payments & pricing, 30 against 0
- Transparency & trust, 52 against 45
Watch for
No API, MCP server or A2A endpoint for an outside agent.
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.
Score by category
| Category | Weight this run | Caddy | Tab | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 10 | 5 | Caddy +5 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 10 | 0 | Caddy +10 |
| Agent ergonomics | 13%16.2 | 0 | 0 | even |
| Security & auth | 14%17.5 | 0 | 4 | Tab +4 |
| Payments & pricing | 10%12.5 | 30 | 0 | Caddy +30 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 55 | 58 | Tab +3 |
| Transparency & trust | 7%8.8 | 52 | 45 | Caddy +7 |
| Negative events | ≤15 | 0 | 0 | |
| Total | F 16.7/100 | F 10.7/100 |
Facts side by side
| Fact | Caddy | Tab |
|---|---|---|
| Kind | Platform | Platform |
| Vendor | Caddy Technologies Inc. | Terrasoft, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | OAuth or key | OAuth or key |
| Pricing | Free | Paid |
| x402 | no | no |
| Licence | Closed service under Caddy's Terms of Service (Caddy Technologies Inc., last updated 27 April 2026). | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-10-13 | none |
| 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
Caddy
Caddy is a free iMessage and RCS assistant in public beta that watches connected mail, calendars and work apps and asks before sending email or changing data. No outside agent can call it, and no status page, changelog or security contact was found, though its iOS app ships every week or two.
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.
Before you call either
Caddy
- Don't plan to call Caddy from another agent. It answers the owner's text messages, Siri and group chats it's added to.
- Expect Caddy to ask the owner before it sends email or creates an invite.
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.
Questions
Which is better for AI agents, Caddy or Tab?
Caddy scores 16.7 (F) on agent readiness against Tab's 10.7 (F), and leads in 4 of 7 scored categories.
Other comparisons with Caddy or Tab
- asaply vs Caddy
- asaply vs Tab
- Asmi vs Caddy
- Asmi vs Tab
- AstrBot vs Tab
- Boba vs Caddy
- Boba vs Tab
- Boski vs Tab
- Brea vs Caddy
- Brea vs Tab
- Caddy vs Del
- Caddy vs HireAlpha
- Caddy vs OpenInstinct
- Caddy vs Orbits
- Caddy vs Orchid
- Caddy vs szn
- Caddy vs Zapia
- CowAgent vs Tab
- Del vs Tab
- folk vs Tab
- GAIA vs Tab
- Grok Bot vs Tab
- Haven vs Tab
- Hermes Agent vs Tab
- HireAlpha vs Tab
- Instinct vs Tab
- IronClaw vs Tab
- Lindy vs Tab
- nanobot vs Tab
- NanoClaw vs Tab
- Natura tinyNature vs Tab
- Dots vs Tab
- OpenClaw vs Tab
- OpenInstinct vs Tab
- Orbits vs Tab
- Orchid vs Tab
- Pally vs Tab
- PicoClaw vs Tab
- Poke vs Tab
- QwenPaw vs Tab
- szn vs Tab
- Tab vs Tomo
- Tab vs Town
- Tab vs Zapia
- Tab vs ZeroClaw
- Tab vs Zo Computer
- AstrBot vs Caddy
- Boski vs Caddy
- Caddy vs CowAgent
- Caddy vs folk
- Caddy vs GAIA
- Caddy vs Gemini Spark
- Caddy vs Grok Bot
- Caddy vs Haven
- Caddy vs Hermes Agent
- Caddy vs Instinct
- Caddy vs IronClaw
- Caddy vs Leon
- Caddy vs Lindy
- Caddy vs nanobot
- Caddy vs NanoClaw
- Caddy vs Dots
- Caddy vs OpenClaw
- Caddy vs PicoClaw
- Caddy vs Poke
- Caddy vs QwenPaw
- Caddy vs Town
- Caddy vs ZeroClaw
- Caddy vs Zo Computer
- Caddy vs Natura tinyNature
- Caddy vs Pally
- Caddy vs Tomo
- Caddy vs Wajo (Fo)
- Caddy vs Talorys
- Gemini Spark vs Tab
- Leon vs Tab
- Tab vs Talorys
- Tab vs Wajo (Fo)
Disclosure
Caddy 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.
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.
Machine-readable
- This page as Markdown
/compare/caddy-app-vs-tab-bot.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/caddy-app.json·/api/v1/tools/tab-bot.json - From a terminal
anchor compare caddy-app tab-bot(the CLI) - Over MCP
compare_tools {"a": "caddy-app", "b": "tab-bot"}at/mcp, no key