Smart Keys vs SpellFast AI: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Feature lists share 0 overlapping items across the two listings.
AI grammar checker keyboard for iPhone and Mac that also translates text and adjusts tone in your writing.
A grammar assistant that fixes writing mistakes and offers suggestions without visual clutter on your screen.
| Attribute | Smart Keys | SpellFast AI |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | free | free |
| Votes | 0 | 0 |
| Category | AI Code Assistant | AI Grammar Checker |
| Feature | Smart Keys | SpellFast AI |
|---|---|---|
| Easy to use and integrate into existing workflows | ||
| Offers a variety of helpful features in one keyboard | ||
| Can improve writing quality and efficiency | ||
| Available on iOS and macOS | ||
| AI suggestions may sometimes be inaccurate | ||
| Keyboard may feel laggy at times | ||
| A grammar assistant providing instant | ||
| distraction-free corrections and suggestions |