MaxAI vs Monica
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
AI tool · Freemium
A browser extension for one-click AI actions on selected text, emails and pages.
AI tool · Freemium
An AI assistant extension for chat, reading, writing and translation on any website.
The short answer
Choose MaxAI if you need…
- Rewriting selected text
- Email replies in the browser
Choose Monica if you need…
- Translating and summarising web content
- Quick writing help
Side-by-side
| MaxAI | Monica | |
|---|---|---|
| Type | Plugins & extensions · AI browser extensions | Plugins & extensions · AI browser extensions |
| Price | Freemium | Freemium |
| Platforms | Chrome | Chrome, Web, iOS, Android, macOS, Windows |
| Works with | Chrome, Gmail | Chrome |
| Hands-on tested by us | Not yet | Not yet |
| Last checked | 2026-10-29 | 2026-10-29 |
What each one is
MaxAI
A browser extension for one-click AI actions on selected text, emails and pages. Fast for quick text tasks. Similar features are now built into many browsers and apps.
Monica
An AI assistant extension for chat, reading, writing and translation on any website. Broad feature set. Usage limits on top models are tight on cheaper plans.
Best for
MaxAI
- Rewriting selected text
- Email replies in the browser
Monica
- Translating and summarising web content
- Quick writing help
Strengths
MaxAI
- Right-click AI actions
- Email and social reply drafts
- Page summaries
- Multiple models
Monica
- Multi-model chat
- Bilingual page translation
- PDF and video summaries
- Writing tools
Frequently asked questions
What is the difference between MaxAI and Monica?
MaxAI: A browser extension for one-click AI actions on selected text, emails and pages. Monica: An AI assistant extension for chat, reading, writing and translation on any website. MaxAI suits rewriting selected text, while Monica suits translating and summarising web content.
Are MaxAI and Monica free?
MaxAI: Freemium. Monica: Freemium.
What are other alternatives to MaxAI and Monica?
Other options people compare them with include Merlin, HARPA AI, Sider.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.