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Head to head · Assistants that remember you · October 2026 research run

Atticus vs Zapia

Atticus scores 42.9 (E) on agent readiness against Zapia's 17.3 (F), and leads in 5 of 7 scored categories. Zapia leads on maintenance & community. Both do assistants that remember you.

Best AI personal assistants that act for one person · All 875 assistants comparisons

AtticusSaarthurR (Saarth Ranka) · Platform E42.9/100#974 of 1094 ZapiaBrainlogic AI S.A.S. · Platform F17.3/100#1062 of 1094

Which one, for what

Atticus E

Best for A person on macOS 26 with a Claude Pro or Max plan who wants voice control of apps, windows, files and the browser.

Ahead on

  • Reliability, 68 against 15
  • Schema & documentation, 15 against 0
  • Agent ergonomics, 9 against 0
  • Security & auth, 49 against 3
  • Payments & pricing, 60 against 30

Also in its favour

  • No key needed to call it
  • Free to start without a card
  • Open source

Watch for

No API, MCP server or documented command an outside agent can call

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

  • Maintenance & community, 56 against 51

Watch for

No API, MCP server or A2A endpoint, and the terms forbid unauthorised automated connections.

Score by category

CategoryWeight this runAtticusZapiaEdge
Reliability16%206815Atticus +53
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.2150Atticus +15
Agent ergonomics13%16.290Atticus +9
Security & auth14%17.5493Atticus +46
Payments & pricing10%12.56030Atticus +30
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.85156Zapia +5
Transparency & trust7%8.85659Zapia +3
Negative events≤1500
TotalE 42.9/100F 17.3/100

Facts side by side

FactAtticusZapia
KindPlatformPlatform
VendorSaarthurR (Saarth Ranka)Brainlogic AI S.A.S.
Hosted endpointno (local only)no (local only)
Transports
AuthNoneOAuth or key
PricingYour planFreemium
x402nono
LicenceMITClosed service under Zapia's terms and conditions (Brainlogic AI SAS). No date was found on the terms.
Read-only variant documentednono
llms.txtnono
Last release2026-10-142026-10-12
Terms last updatedno document linked
Privacy policy last updatedno document linked
Customer content may train models
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver
Popularity163 starsnone

Verdicts

Atticus

Atticus runs a person's Mac by voice on their existing Claude or Devin plan, with a sandboxed safe mode and a local log of every command. It has no API, MCP server or documented command for another agent, it is five days old, and it rebuilds itself from the main branch every six hours by default.

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

Atticus

  1. Don't plan to call Atticus from another agent. It takes requests only from its own shortcut and typing box
  2. If a user runs Atticus beside you, expect it to move windows and type into apps on the same Mac
  3. Point a user who wants pinned versions to Settings > About & Updates to turn off self-update

Zapia

  1. 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.
  2. 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, Atticus or Zapia?

Atticus scores 42.9 (E) on agent readiness against Zapia's 17.3 (F), and leads in 5 of 7 scored categories. Zapia leads on maintenance & community.

Are Atticus and Zapia open source?

Atticus is open source (MIT). No open-source release is listed for Zapia.

Other comparisons with Atticus or Zapia

Disclosure

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.

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