Grammar Guru vs Grammarly
Grammar Guru
grammarguruai.comGrammarly
grammarly.comSide by side
| Figure | Grammar Guru | Grammarly |
|---|---|---|
| Price from | $1/mo | $12/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 4 | 4 |
| Spec score · Grammar checkers | 9.3 (#5) | 9.2 (#6) |
| Browser extension | Yes | Yes |
| Browser support | The extension supports Chrome 88 or later and Edge 88 or later; Firefox and Safari extensions are described as in development. | Chrome, Safari, Firefox, and Edge |
| Desktop app | Yes | Yes |
| Free plan | Yes | Yes |
| Mobile app | No | Yes |
| Style suggestions | Yes | Yes |
| Tone detection | Yes | Yes |
Plans
Grammar Guru
- FreeFree
- Standard$1 a month
- Windows App$1 a month
- EnterprisePriced on request
Grammarly
- FreeFree
- Pro$12 a month
- EnterprisePriced on request
- PlusPrice not published
In their own words
Grammar Guru
Grammar Guru has no write-up on Specifiction yet; its figures are above.
Grammarly
Grammarly is a writing assistant from Grammarly, founded in 2009 and now part of Superhuman. Its listed tools include proofreading, paragraph rewrites, tone suggestions, a humanizer, and AI detector agents. Style suggestions and tone detection are listed, alongside brand voice controls and team collaboration. The Free plan is free and includes 100 AI prompts per month; Pro is $12 a month with 2,000 AI prompts per member per month. Plus is listed at ₹392 INR per member per month when billed annually, and ₹1,000 when billed monthly, and is available only via local payment methods. Grammarly lists 24 supported languages, browser compatibility with Chrome, Safari, Firefox, and Edge, and mobile apps for iPhone, iPad, and Android. Desktop apps and a browser extension are also listed. Grammarly says user content is not sold, monetized for advertising, or used to train third-party models. Its SOC 2 Type 2 report covers security, privacy, availability, and confidentiality controls.