Personal Agent Atlas

Head to headchecked 19 Oct 2026

Muse vs Siri AI

  • United StatesBoth available
  • United KingdomOnly Siri AI fully
  • European UnionNeither fully
Muse: 6 of 10 capabilities have a sourced yes. The rest are partly, no or not yet clear. A count, not a score.Works in your accounts: YesUses a browser or computer: YesWorks while you're away: YesLives in chat apps: YesMakes phone calls: UnclearCan pay for things: YesAsks before sending or paying: YesWorks in German: UnclearData can stay in the EU: UnclearRuns on your own hardware: No6MuseMeta
Siri AI: 1 of 10 capabilities have a sourced yes. The rest are partly, no or not yet clear. A count, not a score.Works in your accounts: YesUses a browser or computer: UnclearWorks while you're away: UnclearLives in chat apps: NoMakes phone calls: UnclearCan pay for things: UnclearAsks before sending or paying: UnclearWorks in German: NoData can stay in the EU: UnclearRuns on your own hardware: No1Siri AIApple
Availability
Where you can use it
USYesUKNoEUNo

The Muse app is available in the US and Canada only. No date for Europe.

USYesUKYesEUPartly

Arrived for the US and the UK with iOS 27. Not on iPhone, iPad or Apple Watch in the EU; available on the Mac. English only at launch, five more languages in October.

Cheapest way in
Free

Free for most tasks. Subscriptions for heavier use start at $20 a month.

Included

Comes with iOS 27 on eligible devices. Apple says expanded access will be sold later, with daily caps on server features.

What it can do
Works in your accounts
YesYou pick apps and access levelPer the maker, 19 Oct 2026
YesActs inside apps on your devicePer reporting, 19 Oct 2026
Uses a browser or computer
YesOwn secure computer with a browserPer the maker, 19 Oct 2026
UnclearNo source yet
Works while you're away
YesKeeps working after you close the appPer the maker, 19 Oct 2026
UnclearNo source yet
Lives in chat apps
YesWhatsAppPer the maker, 19 Oct 2026
NoBuilt into the devicePer reporting, 19 Oct 2026
Makes phone calls
UnclearNo source yet
UnclearNo source yet
Can pay for things
YesOne-time card via Link by StripePer the maker, 19 Oct 2026
UnclearNo source yet
Asks before sending or paying
YesBefore sending email or buyingPer the maker, 19 Oct 2026
UnclearNo source yet
Works in German
UnclearNo source yet
NoNot among the languages added in OctoberPer reporting, 19 Oct 2026
Data can stay in the EU
UnclearNo source yet
UnclearNo source yet
Runs on your own hardware
NoRuns in Meta’s cloudPer the maker, 19 Oct 2026
NoApple devices and serversPer reporting, 19 Oct 2026
Details
What it can touch
  • Email
  • Calendar
  • Documents
  • Apps you connect
  • Apps
  • Screen
  • Messages
  • Calendar
How it asks before acting
Before it acts

Checks with you before sensitive actions like sending an email or making a purchase.

Before it acts

System assistant that acts inside apps.

Watch out for

You choose per app how much access it gets. For email, read-only or allowed to send. AP reported a seller whose Muse, on 'always allow', shared his pickup address with a Marketplace buyer.

Daily caps on features that run on Apple’s servers, thresholds not published.

Launched
Sep 2026
14 Sep 2026
People to follow
Unclear
Sources
  1. Meta, Introducing Muse, Sep 2026
  2. Notebookcheck, 13 Oct 2026
  3. The Agent Race, price table, 18 Oct 2026
  4. AP via KPRC, 19 Oct 2026
  1. Pasquale Pillitteri, Sep 2026
  2. Gagadget, iOS 27 is out now, Sep 2026
  3. Pasquale Pillitteri, Siri reads your screen, 2026
  4. 9to5Mac, 9 Sep 2026

Facts only, no scores. We have not tested these agents hands-on unless an entry says so.

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