Comparison

Proofreader vs Grammar Checker AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Proofreader

Enhance your writing with an AI-powered tool that detects and corrects grammar, spelling, and punctuation errors. Achieve clear, concise, and error-free communication for emails, reports, and essays. Supports multiple languages with a user-friendly interface.

Highlights
  • Advanced grammar and spelling check
  • AI-driven error correction
  • User-friendly interface
  • Multiple language support
  • Privacy and security focused
Features
Read full description

Are you tired of embarrassing typos, grammar blunders, or awkward sentences in your emails, reports, or essays? Say goodbye to writing mistakes with Proofreader, your trusted companion for flawless communication. Our AI-driven app elevates your writing to a professional level, making sure your message is clear, concise, and error-free. KEY FEATURES Advanced Grammar & Spelling Check Proofreader uses cutting-edge AI to detect and correct grammar, spelling, and punctuation errors in your text. From subject-verb agreement to comma usage, we make your writing as polished as it can be. Rewrite & Improve Clarity Instantly fix awkward sentences, weak vocabulary, and unclear phrasing so every sentence reads naturally. 30+ Languages Supported Whether you write in English or another language, Proofreader helps you achieve impeccable results. Simple, Fast, Intuitive A clean and easy interface — just paste your text and get a corrected version in seconds. Privacy First Your content is processed securely and we respect your privacy. Whether you are a student, teacher, professional, or writer, Proofreader is your solution for impeccable writing. Enhance your communication today and let your words shine with confidence! Privacy: https://proofreader.ardasen.com/privacy.html Terms: https://proofreader.ardasen.com/terms.html

About

Grammar Checker AI

This AI-powered tool enhances your writing by detecting and correcting grammar, spelling, and punctuation errors. It offers real-time feedback and style suggestions to ensure your text is clear, correct, and compelling for any purpose.

Highlights
  • Real-time grammar and spell checking
  • AI-powered text correction
  • Sentence structure analysis
  • Punctuation and capitalization fixes
  • Style suggestions for clarity
  • Offline basic checks
Features
Read full description

Grammar+ is the AI grammar checker, spell corrector, sentence proofreader, and punctuation fixer that polishes every word you write — emails, essays, documents, captions, and more. Whether you're a student finishing an essay, a professional sending an important email, or an ESL learner sharpening your writing, Grammar+ catches grammar errors, spelling mistakes, typos, and punctuation issues in real time and gives you accurate, context-aware corrections instantly. AI GRAMMAR CHECK & SPELL CORRECTOR Powered by advanced AI, Grammar+ analyzes your text in real time to detect grammar errors, misspellings, missing commas, awkward phrasing, and tense mistakes. From simple typos to complex grammatical structures, it has you covered with instant, accurate corrections that make your writing clear and confident. SENTENCE & PUNCTUATION FIX Get every sentence right with smart suggestions for: • Subject-verb agreement and tense consistency • Missing or misplaced commas, apostrophes, semicolons, and periods • Run-on sentences, fragments, and awkward structure • Capitalization, hyphens, and quotation marks • Active vs. passive voice and clarity tips PARAPHRASE, REWRITE & HUMANIZE Need a different way to say it? Grammar+ rewrites your text with one tap: • Paraphrase any paragraph while keeping the meaning • Rephrase sentences in formal, casual, friendly, or academic tone • Reword phrases for impact, clarity, or originality • Humanize AI-generated copy so it reads naturally • Shorten long passages or expand short notes EMAIL, ESSAY & DOCUMENT HELP Grammar+ is built for every kind of writing: • Emails, cover letters, and job applications • Essays, theses, dissertations, and research papers • Reports, memos, blog posts, and articles • Resumes, bios, and LinkedIn profiles • Captions, messages, and social media drafts SMART DICTIONARY & VOCABULARY Look up any word in seconds and write smarter: • Definitions, synonyms, and antonyms in one tap • Word relations and example usage • Vocabulary suggestions to elevate your writing • Quick lookup while you type or proofread WHO IS GRAMMAR+ FOR? • Students writing assignments, exams, and homework • ESL and bilingual writers improving English fluency • Professionals crafting reports, emails, and presentations • Bloggers, copywriters, and content creators • Anyone with dyslexia, ADHD, or anyone who wants confident, error-free writing KEY FEATURES • Real-time grammar checker, spell corrector, and proofreader • Sentence checker and punctuation fixer • AI paraphraser, rephraser, reword, and humanizer • Tone and style suggestions: formal, professional, casual, academic • Built-in dictionary, synonym, and antonym lookup • Tense, verb, noun, adverb, and adjective checks • Easy copy, paste, and share to any app • Clean, distraction-free interface designed for iPhone and iPad • Works on the go — light, fast, and reliable • Regular updates with smarter AI PRIVACY FIRST Your text stays private. Grammar+ does not store or sell your personal writing data — proofread with confidence. WHY GRAMMAR+ Stop second-guessing your grammar. Grammar+ combines a powerful AI grammar checker, accurate spell corrector, smart sentence proofreader, and helpful paraphrase tool in one beautifully designed app. Join thousands of writers who use Grammar+ to write clearly, professionally, and with confidence — every single day. Download Grammar+ today and let AI perfect your writing. Questions or feedback? We'd love to hear from you! Privacy Policy https://grammarplus.halpindev.com/privacy Terms of Use https://grammarplus.halpindev.com/tos

Screenshots

Proofreader4 screens
Grammar Checker AI4 screens

Verdict

The call

The clearest difference is rating: Grammar Checker AI at 4.9 against Proofreader's 4.3. Grammar Checker AI also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Proofreader sells 2 in-app purchases, starting at $9.99 per month and Grammar Checker AI sells 8 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Grammar Checker AI holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 20 and 41 respectively.

UpkeepUpdate frequency

Proofreader ships an update every 3 months, Grammar Checker AI weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Proofreader versus Grammar Checker AI: the parameters behind the verdict, then further details
ParameterProofreaderGrammar Checker AI
PriceFreeFree
Rating4.3 (20 ratings)4.9 (41 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings2041 — better
Update frequencyEvery 3 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size7 MB71 MB
Age rating4+4+
DeveloperArda SenAleksei Khaliapin

Customer experience

Proofreader

All ratings19 ratings
Positive78.9%
Neutral10.5%
Negative10.5%

Grammar Checker AI

All ratings41 ratings
Positive97.6%
Neutral2.4%
Negative0.0%
Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Proofreader

Subscriptions2
  • Monthly Subscription$9.991 Month
  • Yearly Subscription3 Days trial$29.991 Year
8 purchases

Grammar Checker AI

Subscriptions8
  • Basic Weekly3 Days trial$5.997 Days
  • Premium Access3 Days trial$6.997 Days
  • Basic Monthly$9.991 Month
Show 5 more
  • Premium Access$9.991 Month
  • Basic Annual Limited Offer$29.991 Year
  • Premium Access Special Offer$29.991 Year
  • Premium Access$39.991 Year
  • Basic Annual$49.991 Year

Questions

Is Proofreader free?
Proofreader is free to download, with in-app purchases available.
Is Grammar Checker AI free?
Grammar Checker AI is free to download, with in-app purchases available.
Which has better reviews, Proofreader or Grammar Checker AI?
Grammar Checker AI is rated higher. Proofreader averages 4.3 out of 5 from 20 ratings, while Grammar Checker AI averages 4.9 from 41 ratings.
Do Proofreader or Grammar Checker AI have ads?
Proofreader shows ads; Grammar Checker AI does not.
Which is updated more often, Proofreader or Grammar Checker AI?
Proofreader ships an update every 3 months, and Grammar Checker AI weekly. Most recently, Proofreader was updated on November 3, 2026 and Grammar Checker AI on November 4, 2026.

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