Grammar Guru vs Lexicon
Grammar Guru
grammarguruai.comLexicon
lexicon-writer.pages.devSide by side
| Figure | Grammar Guru | Lexicon |
|---|---|---|
| Price from | $1/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| Plans published | 4 | 1 |
| Spec score · Grammar checkers | 9.3 (#5) | 8.5 (#24) |
| Browser extension | Yes | Yes |
| Desktop app | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The maker lists Gmail and Google Docs support for Chrome and Outlook and Office 365 support for Edge. | Lex can connect to Ollama or LM Studio, and the browser extension shares a personal dictionary with the desktop app through local loopback. |
| Privacy | The privacy policy says submitted text is processed in real time and discarded after suggestions, while account and usage information may be retained. | Drafts, dictionaries, settings, and writing metrics are stored in the local user profile; Lexicon says it has no cloud sync, mandatory accounts, or first-party background telemetry. |
| Product | Grammar Guru describes itself as an AI writing assistant offered as Chrome and Edge browser extensions and a native Windows desktop app. | Lexicon is a distraction-free desktop writing editor with local proofreading, rewrites, and export built in. |
| Style suggestions | Yes | Yes |
| Tone detection | Yes | Yes |
Plans
Grammar Guru
- FreeFree
- Standard$1 a month
- Windows App$1 a month
- EnterprisePriced on request
In their own words
Grammar Guru
Grammar Guru has no write-up on Specifiction yet; its figures are above.
Lexicon
Lexicon has no write-up on Specifiction yet; its figures are above.