30 alternatives · from grammar checkers

Alternatives to Harper

Harper is a free, open-source grammar checker for spelling, capitalization, grammar errors, and awkward phrasing. It checks text locally, and its maker says suggestions arrive in under 10 ms without cloud round-trips, telemetry, or an LLM in the loop. Style suggestions, English dialect choices, and integrations for browsers and editors make it relevant to students, journalists, and developers. Its platform range includes mobile, desktop, web, and API options, though the…

18.7

Cordial

Cordial is a writing assistant for spelling, grammar and style correction, with AI-assisted edits and text reformulation.

Free planAndroidiOSWeb

Free plan

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28.6

Grammarly

Grammarly is a writing assistant from Grammarly, founded in 2009 and now part of Superhuman.

Free planAndroidiOS

From $12 a month

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38.6

GrammarCheck.ai

GrammarCheck.ai is a writing tool that checks and corrects grammar, spelling, and punctuation.

Free planAndroidiOSWeb

From $2.50 a month

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4
Wordvice AI
Wordvice AI is an online proofreader and grammar checker aimed at students and academic writers.
Free planWebExtensionmacOSWindows
8.5Free plan
Visit
5
Duden-Mentor
Duden-Mentor checks German text for spelling, grammar, punctuation and style, and suggests corrections.
Free planWebAPIExtensionmacOS
8.4From €2.99 a month
Visit
6
Scribens
Scribens is a writing assistant available on the web, Windows, macOS, iOS, and Android.
AndroidiOSWebAPI
8.3
Visit
7
Linguix
Linguix is an AI writing assistant for improving grammar, clarity, and communication across websites and supported apps.
Free planAndroidiOSWebAPI
8.3From $5 a month
Visit
8
Grammar Guru
Grammar Guru is an AI-powered writing assistant for checking and improving text.
Free planWebExtensionLinuxmacOS
8.3From $1 a month
Visit
9
Trinka
Trinka is an AI grammar correction and language enhancement assistant designed for academic and technical writing.
Free planWebAPIExtensionmacOS
8.2From $300 a year
Visit
10
MerciApp
Free planAndroidiOSWebExtension
8.2From €12 a month
Visit
11
TextGears
TextGears checks writing for spelling, grammar, style, and readability issues through its website and API.
Free planWebAPIExtensionSelf-hosted
8.2Free plan
Visit
12
Sapling
Sapling combines writing assistance with developer tools for adding language model-powered functionality to applications.
Free planWebAPIExtensionSelf-hosted
8.1From $144 a year
Visit
13
Corrector.app
Corrector.app checks text for spelling, grammar, and punctuation errors, then suggests corrections.
Free planAndroidiOSWebExtension
8.1Free plan
Visit
14
LanguageTool
LanguageTool is a writing assistant for checking grammar, spelling, punctuation, casing, and style across 31 languages.
Free planiOSExtensionmacOSWindows
8.0Free plan
Visit
15
Ginger
Ginger is an AI-powered grammar and spelling checker for English writing.
AndroidiOSWebAPI
8.0
Visit
16
Rechtschreibprüfung24
Rechtschreibprüfung24 is a web service for checking and improving text in multiple languages.
Free planWebAPIExtension
8.0Free plan
Visit
17
iGrammar
iGrammar is an AI writing assistant for checking and revising text.
Free planAndroidiOSWebAPI
8.0From $10 a month
Visit
18
CorrectEnglish
Free planAndroidiOSWebExtension
8.0From $80 a year
Visit
19
ProWritingAid
ProWritingAid is a writing tool that provides grammar and style suggestions through browser extensions and a desktop editor.
Free planExtension
7.9From $120 a year
Visit
20
Microsoft Editor
Microsoft Editor checks spelling, grammar, capitalization, and punctuation, with additional suggestions for clarity, concision, and formality.
WebExtensionmacOSWindows
7.8
Visit
21
LexiCheck
Free planWeb
7.8$2 one-time
Visit
22
Outwrite
Outwrite is an AI writing assistant that suggests stylistic and structural improvements alongside spelling and grammar corrections.
Free planWebAPIExtensionmacOS
7.8From $7.95 a month
Visit
23
WRITER
WebAPIExtensionmacOS
7.6From $39 a month
Visit
24
Virtual Writing Tutor
Free planWeb
7.5Free plan
Visit
25
WhiteSmoke
AndroidiOSWebExtension
7.5
Visit
26
Correct Me
Free planAndroidiOSWeb
7.5From $4.99 a month
Visit
27
Grammalecte
Grammalecte is free, open-source software for checking French grammar and typography.
Free planOpen sourceAPIExtensionLinuxmacOS
7.5Free plan
Visit
28
Slick Write
Slick Write is a free web writing checker for grammar errors, possible style problems and other characteristics of text.
Free planWebExtension
7.4Free plan
Visit
29
Wordeep
Wordeep is an English writing assistant for grammar, spelling, and context.
AndroidiOSWebExtension
7.4From $99 a year
Visit
30
GaelGram
AndroidiOSWebWindows
7.4From €1.97 a month
Visit

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