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QuillBot vs LanguageTool
QuillBot scores higher overall (8.1 vs 8), but the right pick depends on what you need.
Choose QuillBot if…
Students and non-native English writers who want to rephrase, summarise and cite on a budget
8.1/10★★★★★Full review →Choose LanguageTool if…
People who write in more than one language, especially European languages
8.0/10★★★★★Full review →Side by side
| QuillBot | LanguageTool | |
|---|---|---|
| Overall score | 8.1/10 | 8/10 |
| Rank in category | #2 of 10 | #3 of 10 |
| Price | Freemium · from $8.33/month | Freemium · from $4.99/month |
| Free version | Grammar checks plus paraphrasing of up to 125 words at a time in basic modes | Checks up to 2,000 characters per text field and 3 AI rephrasings a day |
| Platforms | Web, iOS, Android, Chrome extension, Microsoft Word, Google Docs | Web, Desktop app, Chrome extension, Microsoft Word, Google Docs, Other |
| Made by | QuillBot (Learneo, Inc.) | LanguageTooler GmbH (Learneo, Inc.) |
| Writing quality | 7.5 | 7.5 |
| Ease of use | 8.5 | 8 |
| Features | 8 | 7.5 |
| Value for money | 8 | 9 |
| Platforms | 9 | 8.5 |
QuillBot: what the AI does
- Paraphraser with nine modes and a synonym slider
- Grammar checker
- Summarizer
- AI detector and humanizer
- Plagiarism checker (20 pages a month on Premium)
- Translator and citation generator
- Best-in-class paraphrasing with fine control over how much text changes
- Lots of tools in one subscription
- Cheaper than Grammarly on annual billing
- Mobile apps include an AI keyboard
- Free paraphrasing is capped at 125 words per input
- Grammar checking is less thorough than Grammarly's
- Annual price doubled from $49.95 to $99.95 in 2025
LanguageTool: what the AI does
- AI paraphrasing with tone options (formal, concise, fluent, simple)
- Grammar, spelling and punctuation checks in 30+ languages
- Advanced style suggestions and Picky Mode
- Personal dictionary and style guide
- Strongest multilingual support in the category
- Very cheap on annual billing
- Works in Word, Google Docs, LibreOffice, Pages and email clients
- Open-source core with a privacy focus
- Flags correct technical terms and specialist wording as errors
- AI suggestions are less refined than Grammarly's for English
- No current mobile app listing on the US App Store or Google Play