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Head-to-head · Chrome Extensions

Adblock Plus vs Grammarly

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Adblock Plus #3 in Chrome Extensions 9.0/10 Free plan Free plan✓ 0 of 5 features Visit Adblock Plus
Grammarly #8 in Chrome Extensions 8.5/10 Free plan Free plan✓ 0 of 5 features Visit Grammarly

Adblock Plus leads on 0 checks, Grammarly on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAdblock Plus · 9.0/10
  • Free planboth

Adblock Plus scores higher on our rubric for chrome extensions: 9.0 against 8.5 out of 10; our editors rank them #3 and #8.

Adblock Plus is the better fit for ad blocking with broad device coverage. Grammarly is the better fit for writing help across browsers, apps, and services.

  • Adblock Plus fits best

    Ad blocking with broad device coverage

  • Grammarly fits best

    Writing help across browsers, apps, and services

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Adblock Plus 9.0/10 Visit ↗ Grammarly 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in Chrome Extensions #8 in Chrome Extensions
Best for Ad blocking with broad device coverage Writing help across browsers, apps, and services
Pricing model Free plan + paid Free plan + paid
Starting price $40/yr $12/user/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile, Browser extension Cloud, Desktop, Mobile, Browser extension
Platforms iOS, Android, Chrome extension Web, Windows, macOS, iOS, Android, Chrome extension
Support Email, Tickets, Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Adblock Plus 0/5 · Grammarly 0/5
Chrome Web Store Not checked yet Not checked yet
Offline use Not checked yet Not checked yet
Cross-device sync Not checked yet Not checked yet
Team controls Not checked yet Not checked yet
Permission details Not checked yet Not checked yet
Specs
Browser support Not checked yet Not checked yet
Our review
Pros
  • Blocks ads, trackers, pop-ups, and malicious domains with filter lists
  • Supports custom and externally maintained filter lists plus manual element blocking
  • Works across Chrome, major desktop browsers, iOS, Android, and Samsung Internet
  • Checks grammar, spelling, punctuation, clarity, fluency, and tone
  • Works across browser, desktop, and mobile, with integrations for Docs and Word
  • Pro adds rewrites, plagiarism checks, and AI-generated-text detection
Cons
  • Cookie consent pop-up hiding is limited to the Premium plan
  • Custom filter management is available only on supported desktop extensions
  • Premium extras add a recurring cost beyond the free blocking features
  • Pro costs $12 per user per month
  • Free includes 100 AI prompts per month
  • Enterprise adds administration controls that may exceed solo writers’ needs
Our verdict

Adblock Plus is a browser extension and mobile browser tool for people who want to remove advertisements, tracking requests, pop-ups, and other unwanted page elements. Its filtering approach covers video ads, banners, pop-unders,…

Read the review →

Grammarly is an AI writing assistant for individuals, professionals, teams, and educational users who want help with writing across browsers, desktop apps, mobile devices, and Grammarly Docs. It checks grammar, spelling, punctuation,…

Read the review →
  1. Adblock PlusChrome Extensions 9.0Free plan
  2. GrammarlyChrome Extensions 8.5Free plan

Strengths and trade-offs

  • Adblock Plus — where it wins

    • Blocks ads, trackers, pop-ups, and malicious domains with filter lists
    • Supports custom and externally maintained filter lists plus manual element blocking
    • Works across Chrome, major desktop browsers, iOS, Android, and Samsung Internet

    Where it doesn't

    • Cookie consent pop-up hiding is limited to the Premium plan
    • Custom filter management is available only on supported desktop extensions
    • Premium extras add a recurring cost beyond the free blocking features

  • Grammarly — where it wins

    • Checks grammar, spelling, punctuation, clarity, fluency, and tone
    • Works across browser, desktop, and mobile, with integrations for Docs and Word
    • Pro adds rewrites, plagiarism checks, and AI-generated-text detection

    Where it doesn't

    • Pro costs $12 per user per month
    • Free includes 100 AI prompts per month
    • Enterprise adds administration controls that may exceed solo writers’ needs
  • Adblock Plus9.0/10 · Free plan

    A free, filter-driven blocker with broad browser and mobile coverage; Premium adds cookie-pop-up hiding.

    Visit Adblock PlusFull verdict →
  • Grammarly8.5/10 · Free plan

    A broad writing assistant with a free tier and Pro rewrites, available across devices and apps.

    Visit GrammarlyFull verdict →

More comparisons

All chrome extensions comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update