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Grammarly alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Grammarly: text is processed in the cloud, which rules it out for some work, and best features need Pro, and monthly billing is expensive. We ranked 6 alternatives by how directly each one replaces Grammarly, then by reviews, real visits and how recently each app's facts were checked against its own website. LanguageTool currently ranks first.

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Show all 6 alternatives

The best Grammarly alternative for…

The highest-ranked app in this list for each need.

LanguageTool logo

Best Grammarly alternative for most people

LanguageTool

Covers 30+ languages and has an open-source core, for people who write in more than English.

Harper logo

Best Grammarly alternative for a free option

Harper

Free, open-source and runs entirely on your device, so nothing you write leaves it.

ProWritingAid logo

Best Grammarly alternative for a free plan you can upgrade

ProWritingAid

Deeper style and manuscript reports, aimed at long-form and fiction writers.

LanguageTool logo

Best Grammarly alternative for open source

LanguageTool

Covers 30+ languages and has an open-source core, for people who write in more than English.

LanguageTool logo

Best Grammarly alternative for self-hosting

LanguageTool

Covers 30+ languages and has an open-source core, for people who write in more than English.

LanguageTool logo

Best Grammarly alternative for Mac

LanguageTool

Covers 30+ languages and has an open-source core, for people who write in more than English.

LanguageTool logo

Best Grammarly alternative for Windows

LanguageTool

Covers 30+ languages and has an open-source core, for people who write in more than English.

Harper logo

Best Grammarly alternative for Linux

Harper

Free, open-source and runs entirely on your device, so nothing you write leaves it.

QuillBot logo

Best Grammarly alternative for iPhone and Android

QuillBot

Cheaper option if paraphrasing and summarising matter more than tone coaching.

Wordtune logo

Best Grammarly alternative for working in the browser

Wordtune

Focuses on rewriting sentences in different tones, with a lower-priced paid plan.

Grammarly alternatives: common questions

What is the best alternative to Grammarly?

LanguageTool ranks first right now. Covers 30+ languages and has an open-source core, for people who write in more than English. ProWritingAid and Harper follow it in our ranking.

Is there a free alternative to Grammarly?

Yes. LanguageTool (free plan + paid), ProWritingAid (free plan + paid), Harper (open source) and Wordtune (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Grammarly?

Yes: LanguageTool and Harper. LanguageTool can also be self-hosted.

Which Grammarly alternatives work on Linux?

Harper runs on Linux.

Why do people switch from Grammarly?

The complaints we hear most: text is processed in the cloud, which rules it out for some work; best features need Pro, and monthly billing is expensive; mostly English; weak for other languages.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Grammarly, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.