Side by side
Letterbot AI Chrome Extension vs Mailbutler
2 tools side by side, on the data we have on file for each.
Letterbot AI Chrome Extension
Email Marketing · $5 per month
Mailbutler
Email Marketing · Free with ads
| Letterbot AI Chrome Extension | Mailbutler | |
|---|---|---|
| Price | $5 per month | Free with ads |
| Free tier | Yes, limited | Yes, limited |
| Our score | 4.0 / 5 | 4.0 / 5 |
| Our line on it | Limited to Gmail, may not suit users outside this platform. | Mailbutler turns your inbox into a productivity hub, offering email tracking and collaboration tools. It's great for managing emails but falls short in detailed analytics. |
| Best for | Gmail email writers | Email marketers and team managers |
| Not for | Email clients outside gmail | Individual email users |
| Platforms | Web | Web, macOS, iOS (browser extension) |
| Category | Marketing and SEO | Marketing and SEO |
| Best described as | Email Marketing | Email Marketing |
| Last checked | 4 Oct 2026 | 5 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.