# Grammarly vs Harper

Source: https://listme.name/compare/grammarly-vs-harper
Framed by the ranking: https://listme.name/best/grammar-and-proofreading-tools

| | Grammarly | Harper |
|---|---|---|
| Score | 92.5 | 89.5 |
| Rank | #1 | #3 |
| Price | Free plan, paid upgrades | Free and open source |
| Best for | Everyday grammar checks across browsers and apps | Private, free grammar checks on your own device |
| Where checks run | Browser extension, apps and web editor | On your device, in browsers and editors |
| Rewrites and paraphrasing | AI rewrites need the Pro plan | None; no AI model in the loop |
| Style guidance | Tone suggestions | Grammar and spelling only |

Broadest reach: a browser extension, apps and a free plan that covers spelling and grammar. Tone and AI rewrites need Pro, and Harper keeps its checks on your device. Free, Apache-2.0 open source, with checks that run on your device. It covers grammar and spelling only, and its desktop app is listed for macOS.