Sider
A high-adoption multi-model AI sidebar
4.9 / 5 · 113.8K ratings
Monica
Students who want an expansive AI workspace in the browser
4.9 / 5 · 32.1K ratings
Feature-by-feature comparison
| Criterion | Sider | Monica |
|---|---|---|
| Primary use | Multi-model AI sidebar | All-in-one AI workspace |
| Feature breadth | Chat, pages, PDFs, search, translation | Adds agents, media creation, and moreEdge |
| Disclosed data categories | PII and website contentEdge | PII, payment info, communications, and activity |
| Plans | Limited free use; paid plans | Limited free use; paid Premium |
| From the cited store listings | ||
| Public adoption | 5,000,000 users; 113.8K ratingsEdge | 3,000,000 users; 32.1K ratings |
| Store rating | 4.9 / 5 from 113.8K ratings | 4.9 / 5 from 32.1K ratings |
| Update recency | Last updated July 27, 2026 — actively maintained | Last updated June 26, 2026 — actively maintained |
Choose Sider if…
- You want the strongest adoption signal in the sidebar category.
- A shorter disclosed-data list matters to you.
Choose Monica if…
- You want agents and media tools, not just chat.
- One expansive product beats several narrow ones for you.
Bottom line
Sider is the safer default recommendation; Monica rewards users who will actually use the extra surface area. Both deserve plan-limit and privacy review before heavy use.
Sources
- Chrome Web Store listing
Store metrics, feature description, and data categories.
- Chrome Web Store listing
Store facts, feature claims, and privacy categories.