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Head-to-head · AI Grammar Checkers

Antidote vs ProWritingAid

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Antidote #3 in AI Grammar Checkers 8.9/10 30-day trial Free trial✓ 2 of 5 features Visit Antidote
ProWritingAid #5 in AI Grammar Checkers 8.5/10 Free plan Free plan✓ 2 of 5 features Visit ProWritingAid

Antidote leads on 0 checks, ProWritingAid on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAntidote · 8.9/10
  • Free planonly ProWritingAid
  • Free trialonly Antidote

Antidote scores higher on our rubric for ai grammar checkers: 8.9 against 8.5 out of 10; our editors rank them #3 and #5.

ProWritingAid offers free plan; Antidote doesn't.

Antidote is the better fit for serious English or French proofreaders. ProWritingAid is the better fit for writers wanting deep writing analysis.

  • Antidote fits best

    Serious English or French proofreaders

  • ProWritingAid fits best

    Writers wanting deep writing analysis

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Side by side

Feature Antidote 8.9/10 Visit ↗ ProWritingAid 8.5/10 Visit ↗
At a glance
Editor score 8.9 8.5
Ranking #3 in AI Grammar Checkers #5 in AI Grammar Checkers
Best for Serious English or French proofreaders Writers wanting deep writing analysis
Pricing model Paid Free plan + paid
Starting price €48/user/yr $120/yr
Free plan — ✓ (best)
Free trial 30 days —
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Desktop, Browser extension
Platforms Web, Windows, macOS, Linux, iOS, Android, Chrome extension Web, Windows, macOS, Chrome extension
Support Email, Phone, Docs Email, Docs
Integrations 4 integrations 12 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Antidote 2/5 · ProWritingAid 2/5
Browser extension ✓ ✓
Desktop app ✓ ✓
Custom rules Not checked yet Not checked yet
Team administration Not checked yet Not checked yet
AI rewrite suggestions Not checked yet Not checked yet
Specs
Supported languages Not checked yet Not checked yet
Document integrations Not checked yet Not checked yet
Our review
Pros
  • Corrects grammar, spelling, typography, punctuation, and style
  • Combines reformulation, tone detection, dictionaries, and language guides
  • Works across desktop, web, mobile, and browser connectors
  • 25+ reports cover readability, repetition, structure, and word choice
  • Custom style guides and dictionaries support consistent editorial standards
  • Works across web, desktop apps, browsers, and major writing tools
Cons
  • No free plan; subscriptions are billed annually
  • Focused on English and French rather than broad language coverage
  • Some advanced capabilities require choosing the two-language plan
  • Mobile apps are not included
  • English is the only supported language
  • Monthly plans cost more than annual billing
Our verdict

Antidote is writing-assistance software for individuals, families, organizations, and educational users who need more than basic grammar checking. Its corrector covers grammar, spelling, typography, punctuation, and style, while integrated…

Read the review →

ProWritingAid is a writing assistant for creative writers, business writers, students, and authors who want more than grammar correction. It checks grammar, spelling, punctuation, and consistency, then adds style suggestions, rewriting,…

Read the review →
  1. AntidoteAI Grammar Checkers 8.930-day trial
  2. ProWritingAidAI Grammar Checkers 8.5Free plan

Strengths and trade-offs

  • Antidote — where it wins

    • Corrects grammar, spelling, typography, punctuation, and style
    • Combines reformulation, tone detection, dictionaries, and language guides
    • Works across desktop, web, mobile, and browser connectors

    Where it doesn't

    • No free plan; subscriptions are billed annually
    • Focused on English and French rather than broad language coverage
    • Some advanced capabilities require choosing the two-language plan

  • ProWritingAid — where it wins

    • 25+ reports cover readability, repetition, structure, and word choice
    • Custom style guides and dictionaries support consistent editorial standards
    • Works across web, desktop apps, browsers, and major writing tools

    Where it doesn't

    • Mobile apps are not included
    • English is the only supported language
    • Monthly plans cost more than annual billing

More comparisons

All AI grammar checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update