Side by side
Castly vs FormulAI
2 tools side by side, on the data we have on file for each.
| Castly | FormulAI | |
|---|---|---|
| Price | $12 per month | Free (7 days trial) |
| Free tier | No | Yes |
| Our score | 3.8 / 5 | 4.0 / 5 |
| Our line on it | Turns AI chat conversations into polished blog posts, with limited free publishing and paid unlimited posts. | Build and verify formulas, run variance commentary — but FormulAI does not generate sample datasets. |
| Best for | Bloggers wanting to draft posts through AI conversation | FP&A teams, data analysts |
| Not for | Heavy publishers needing more than five free posts | Data scientists requiring advanced analytics |
| Platforms | Web | Web, Microsoft Excel add-in |
| Category | Development | Development |
| Best described as | Automation Tools | Automation Tools |
| 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.