Grammarly alternatives
10 tools that do a similar job to Grammarly, compared on the things that usually decide the switch: price, free plan, API and platforms.
- 1H
Readability editor that flags wordy, unclear writing and offers AI fixes
No free plan - 2L

Grammar, spelling and style checker for 30+ languages, with AI rephrasing
Open sourceHas an API - 3P

Grammar checking, line editing and story critique for fiction writers
- 4G

- 5GGPTZeroAI Detection & Humanizers
AI text detector with plagiarism checks and writing replay for educators
Has an API - 6O
Originality.aiAI Detection & HumanizersAI content detection, plagiarism and fact checking for publishers and educators
Has an API - 7CCopyleaks AI DetectorAI Detection & Humanizers
Detects AI-generated text and images and checks for plagiarism
Has an API - 8W
WordtuneParaphrasing & RewritingAI rewriting, summarizing and grammar assistant for everyday writers
- 9SSpinbotParaphrasing & Rewriting
Free online text rewriter plus grammar, spelling and summary tools
- 10PParaphraser.ioParaphrasing & Rewriting
Online AI paraphrasing tool with multiple rewriting modes in 20+ languages
Has an API
Side-by-side comparison
| Tool | Price | Free plan | API | Open source | Platforms | |
|---|---|---|---|---|---|---|
| G | Freemium | web, windows, macos, ios | ||||
| H | From $8.33/mo | web, macos, windows | vs Grammarly | |||
| L | Freemium | web, chrome-extension, windows, macos | vs Grammarly | |||
| P | Freemium | web, macos, windows, chrome-extension | vs Grammarly | |||
| G | Freemium | web, chrome-extension, windows, macos | vs Grammarly | |||
| G | Freemium | web, chrome-extension, api | vs Grammarly | |||
| O | Free · from $12.95/mo | web, chrome-extension, api | vs Grammarly | |||
| C | Free · from $13.99/mo | web, api | vs Grammarly | |||
| W | Free · from $4.89/mo | web, chrome-extension, ios | vs Grammarly | |||
| S | Free | web | vs Grammarly | |||
| P | Free · from $3.96/mo | web, api | vs Grammarly |