Side by side
Sigma vs Todo.is
2 tools side by side, on the data we have on file for each.
| Sigma | Todo.is | |
|---|---|---|
| Price | Free | Free |
| Free tier | Yes | Yes |
| Our score | 4.0 / 5 | 3.9 / 5 |
| Our line on it | Organize your internet in separate workspaces. | Suits teams that need a simple task manager, not individual users. |
| Best for | Students, researchers, creators | Teams |
| Not for | Advertisers and privacy enthusiasts | Advanced project managers |
| Platforms | Web, macOS, Windows | Web |
| Category | Productivity | Productivity |
| Best described as | To-Do Lists | To-Do Lists |
| Last checked | 3 Oct 2026 | 3 Oct 2026 |
We have not written a verdict for this pairing
The table above is the data on each tool's own page, side by side. A written head-to-head goes further: it names a winner per use case and says who should stay where they are. Those are written by a reviewer, pair by pair, so this one may not have its verdict yet.