Languagetool vs Prowritingaid

published November 22, 2023 - updated March 8, 2024

Quick Overview

Languagetool and ProWritingAid are two popular platforms that provide users with opportunities to proofread their texts, no matter the length or style. Amidst user concerns like “Is Languagetool safe?”, AcademicHelp put both services to the test to see which one would excel in grammar correction. LanguageTool turned out to be a more professional platform, able to identify and improve all kinds of issues from spelling and grammar to word use. In the case of our Pro writing aid review, it wasn’t as effective when it came to writing improvement, since it missed a lot of errors and couldn’t pinpoint punctuation mistakes at all.

Liked about LanguageTool
  • Variety of supported languages
  • Extended free usage
  • Has both browser extension and app versions
Liked about ProWritingAid
  • Convenient
  • Has a free trial
LanguageToolProWritingAid
Best fit forStudents needing all-round help with writing improvementStudents who mostly need a simple spell check for English texts
A*Help Score⭐⭐⭐⭐
75/100
⭐⭐
48.7/100
Quality of Help⭐⭐⭐
LanguageTool identifies most of the mistakes across all categories, only omitting a couple of word order and word use issues.
⭐⭐
ProWritingAid doesn’t show satisfactory results in grammar correction. It can’t find and improve most errors.
Value for Money⭐⭐⭐⭐
LangugeTool is a handy solution that supports a variety of languages and provides some extra features
⭐⭐⭐
ProwritingAid has a limited selection of offers, both when it comes to some extra tools and to regular grammar-checking
Overall Experience⭐⭐⭐⭐⭐
Languagetool’s platform is highly accessible and convenient to use
⭐⭐⭐⭐
ProWritingAid is easy to work with and provides a number of usage options

The main difference between LanguageTool and ProWritingAid is in the quality of grammatical correction. While LanguageTool corrects most of the spelling, punctuation, and grammar mistakes, as well as identifies some misused words, ProwritingAid can mainly help with typos and spelling.

An infographic with a short Languagetool vs Prowritingaid comparison describing the ways these 2 services were tested and how the winner was picked

Comparing Value for Money: LanguageTool vs ProWritingAid

LanguageToolProwritingAid
Value for Money26/3016/30
Supported Language5/51/5
Features8/86/8
Possible Extra Services2/30/3
Free Use & Wordcount Limits7/106/10
Subscription4/43/4
A screenshot of pricing plans at Languatetool.org
Pricing at Languagetool (click to see a bigger picture)

Overall Experience: LanguageTool vs ProWritingAid

LanguageToolProwritingAid
Overall Experience19/2017/20
Registration3/33/3
Website Experience6/66/6
Support2/22/2
Document Upload2/30/3
Access6/66/6

LanguageTool vs ProWritingAid: Which is Better for Grammar Correction?

LanguageToolProwritingAid
Quality of Help30/5015.7/50
Correction Quality in Email8.5/103.5/10
Correction Quality in Personal Statement11.4/154.2/15
Correction Quality in Research Paper Intro7/207/20
Checking Process3/51/5
A screenshot of spellchecking results at Language Tool
Spellchecking at LanguageTool (click to see a bigger picture)
A screenshot of spellchecking results at Pro Writing Aid
Spellchecking at Prowritingaid (click to see a bigger picture)

Winner

Based on our experience, the winner in this battle is LanguageTool. It is a convenient platform that can improve the grammar score of writings in various languages, has an extended opportunity to be used for free, and provides effective suggestions for correct spelling, punctuation, word use, style, and sentence structure.

Main Specs

LanguageToolProWritingAid
>Supported languagesEnglish, Spanish, German, French & othersEnglish
>Features
Grammar
Spelling
Punctuation
Words/Sentence suggestions
+style & own dictionary
>Possible extra services
Translation
Rephrasing
Wordcount
>Free use & Wordcount Limites
Free use
with limits
Wordcount10000 characters500 words(in-reality checks more)
>Subscription
Needed
PlansIndividual – $12.45 / month
Teams – $ 5.53 / month/ 2 users
+Annual, Quarterly and Every-2-year subscription
$30/month, 
yearly – $120/year, 
lifetime – $399
>Registration
Need to create an account
Email for registration
Third-party registration (Google, Facebook, Apple)
>Website Experience
Easy-to-use platform
Aesthetic Interface
Irritating ads
>Support
Contact center
Email, live chat, contact form, phone, WhatsApp
Email

On-site chat
Guide
>Document Upload
Docx/doc files
Pdf files
Word
>Access
Apps
Browser Extension
>Checking process
Underlines each mistake
Underlines incorrect sentences
Option to correct all mistakes at once
Shows the general grammar score
Underlines mistakes that are not there

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