ZenZen vs Muse by Meta
Muse is Meta's personal AI agent: it can send email, book travel, fill in forms and shop. Zen is a personal assistant that works from your email.
| Topic | Zen | Muse by Meta |
|---|---|---|
| What it is | A personal assistant app from Carreh that works from your email. Carreh's own AI, built in-house; it picks from several leading AI models for each task. | A personal AI agent that does tasks for you, such as sending an email, booking travel, filling in forms and shopping. 1 |
| Where it gets its information | Your email (Gmail, Outlook and IONOS), plus what you tell it or upload. It does not link other accounts. | You choose which apps it connects to and how much access it gets. 1 |
| Reads new mail every 15 minutes and files what matters: bills, subscriptions, parcels, trips, documents and tasks. It can draft a reply. | For email, you choose whether it only reads mail or can also send for you. Meta says Muse will have its own email address. 2 | |
| Where you use it | An iPhone and iPad app. You chat with Zen and with Zennies, team members that each look after one area of your life. | The Muse app on iOS and Android, muse.ai on the web, and WhatsApp. AI glasses are coming soon. 1 |
| Before it acts | Sends a reply only when you tap Approve & send. Never deletes without your OK. | Checks with you before sensitive actions like sending an email or making a purchase. 1 |
| Price | Zen One: €30 a month. Zen Extra: €200 a month, with 20 times Zen One's usage. No free plan. | Free for most of what people need, with subscription plans for people who want to do more. No prices listed. 1 |
| How to start | Not open to the public yet. Join the waitlist; early testers use it on iPhone through TestFlight. | Rolling out in the US; also available in Singapore since 27 October 2026. 3 |
Carreh AI can make mistakes.
What Zen does from your email
- Tracks bills and subscriptions and reminds you before they are due.
- Tracks parcels automatically from your shipping emails.
- Turns booking emails into trips.
- Keeps your documents and tasks in order.
- Gives you a daily brief of what needs you today.
- Lets you chat with Zen and with Zennies, team members that each look after one area of your life.
Carreh AI can make mistakes. Read more in the Help Center
Questions people ask
What is the main difference between Zen and Muse by Meta?
Muse is an agent that acts across the apps you connect, such as sending email, booking travel and shopping. Zen works from your email and keeps your bills, subscriptions, parcels, trips, documents and tasks in order.
How much do Zen and Muse cost?
Meta says Muse is free for most of what people need, with subscription plans for more, and lists no prices as of 11 Nov 2026. Zen One is €30 a month and Zen Extra €200 a month; Zen has no free plan.
Do both ask before sending an email?
Meta says Muse checks with you before sensitive actions like sending an email. Zen sends a reply only when you tap Approve & send.
Sources
- Muse by Meta: about.fb.com/news/2026/09/introducing-muse-personal-ai-agent/, as of 11 Nov 2026
- Muse by Meta: about.fb.com/news/2026/09/the-biggest-news-from-connect-2026/, as of 11 Nov 2026
- Muse by Meta: about.fb.com/news/2026/10/muse-is-now-available-in-singapore-the-worlds-first-personal-ai-agent-built-for-everyone/, as of 11 Nov 2026
Facts about other products come from their own public pages on the date shown and may have changed. Prices are in the currency each company shows. Names belong to their owners. Carreh is not connected with these companies.