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iGrammar Review

iGrammar is a free AI-powered grammar checker and proofreading tool that instantly identifies and corrects grammar, spelling, and punctuation errors.

shipped Aug 27, 2026freemium
Monthly visits77/mo
iGrammar — product screenshot

Why it matters

1iGrammar offers a free AI grammar checker, spell checker, sentence rewriter, and proofreading tool.
2The Chrome extension has over 865,000 total downloads with an average rating of 4.7+.
3iGrammar supports multi-language writing, including English, Spanish, and French.
4Undelivered messages are retained in encrypted form for up to 30 days.

About iGrammar

Business Model
Freemium SaaS
Free Credits
15 of 15 free credits remaining
Platforms
Web, iOS
Target Audience
Students, writers, and professionals

Pricing Plans

Free Plan
Free
  • • Instant grammar corrections
  • • No signup required
  • • Access to basic features
  • • Limited to 15 free checks per session

Specs

API Available

Yes, public API

overview

What is iGrammar?

iGrammar is a writing enhancement tool developed by iGrammar that enables students, writers, and professionals to correct grammar, spelling, and punctuation errors. It provides real-time corrections, style suggestions, and aims to ensure clarity, accuracy, and originality in written content. The platform offers a comprehensive suite of features including a plagiarism checker, AI writing assistance, and a tone changer. It supports document uploads and provides multi-language writing support for languages such as English, Spanish, and French. iGrammar is accessible via its web platform and iOS application, with a Chrome Extension available for browser integration.

features

Key Features of iGrammar

iGrammar provides a range of features designed to improve writing quality across various contexts. These capabilities are accessible without requiring user signup or cost for its core functions.

  • AI Grammar & Spell Checker: Instantly identifies and corrects typos, misspellings, and grammatical errors.
  • Sentence Rewriter: Rewords sentences for clearer expression and improved readability.
  • AI Proofreading Tool: Offers real-time suggestions to enhance clarity, style, and tone.
  • Tone Improvement: Allows users to adjust the tone of their writing (e.g., professional, friendly, confident).
  • Clarity Enhancement: Provides suggestions to make written content more concise and understandable.
  • Plagiarism Checker: Detects instances of plagiarism to ensure originality of content.
  • Multi-Language Support: Supports writing assistance in multiple languages, including English, Spanish, and French.
  • Document Upload: Enables users to upload documents for comprehensive grammar and spelling corrections.

use cases

Who Should Use iGrammar?

iGrammar is designed for a diverse audience requiring writing assistance, from academic settings to professional communications. Its features cater to individuals seeking to improve the accuracy, clarity, and style of their written work.

  • Students: For correcting grammar, spelling, and punctuation errors in essays, assignments, and academic papers, and for checking plagiarism.
  • Writers & Content Creators: For ensuring error-free, clear, and original content in blog posts, articles, and creative writing.
  • Professionals & Executive Assistants: For crafting accurate and professional emails, reports, proposals, LinkedIn profiles, and resumes.
  • Non-native English Speakers: For improving fluency and confidence in writing across multiple languages.
  • Managers & Founders: For enhancing business communications, product copy, and social media content.

how to use

How to Use iGrammar

iGrammar offers a straightforward interface for immediate writing assistance, requiring no account creation for basic use. Users can begin by inputting text directly or utilizing available integrations.

  • 1Access the web application at check.igrammar.app or install the Chrome Extension.
  • 2Paste or type text directly into the provided editor for real-time grammar and spelling checks.
  • 3Utilize the 'Sentence Rewriter' feature to rephrase sentences for improved clarity or tone.
  • 4Upload documents for comprehensive proofreading and error correction.
  • 5For iOS users, integrate iGrammar with the device's keyboard for real-time corrections across applications.
  • 6Review suggested corrections and apply them with a single tap to enhance writing quality.

pricing

iGrammar Pricing & Plans

iGrammar operates on a freemium model, providing its core AI-powered grammar checking and proofreading features without requiring a subscription or user account. The platform emphasizes accessibility by offering its primary functionalities at no cost.

  • Free Plan: Free access to AI Grammar & Spell Checker, Sentence Rewriter, AI Proofreading Tool, Tone Improvement, and Clarity Enhancement.

Pros

  • +Offers a comprehensive suite of AI-powered grammar, spelling, and style correction features for free.
  • +Requires no signup or cost to access its core functionalities, enhancing accessibility.
  • +Provides real-time corrections and suggestions, improving writing efficiency.
  • +Includes a plagiarism checker to ensure content originality.
  • +Supports multi-language writing, including English, Spanish, and French.
  • +Features a Chrome Extension with over 865,000 downloads and strong user ratings (4.7+).

Cons

  • −Specific limitations on free usage (e.g., word count) are not explicitly detailed, which could impact heavy users.
  • −While an API is available, specific documentation or use cases for developers are not prominently featured.
  • −The 'freemium' model implies potential paid tiers or advanced features that are not clearly outlined.
  • −Data retention for public information is tied to account deletion, which might be a consideration for some users.
  • −The proprietary AI models mean users cannot select or integrate with other large language models.

Similar Tools

iGrammar vs Competitors

iGrammar positions itself as a fast, accurate, and real-time grammar correction tool, particularly effective for daily professional and business writing across various platforms, including mobile. Its emphasis on a free, no-signup model differentiates it in the market.

1
GrammarlyOn Stork

Offers comprehensive suggestions for grammar, spelling, punctuation, clarity, and conciseness, often with detailed explanations.

While Grammarly's free tier is very capable, its most advanced features for style, tone, and full-sentence rewrites require a paid subscription, unlike iGrammar which claims to offer full features for free.

2
LanguageToolOn Stork

Open-source and supports over 25 languages, making it highly versatile for non-English writers.

LanguageTool's free version might not catch as many nuanced stylistic or complex grammatical errors as iGrammar's AI, and its most advanced checks and integrations are part of its premium offering.

3
QuillBot↗

Integrates its grammar checker with other AI writing tools like paraphrasing, summarizing, and co-writing.

QuillBot's grammar checker is one component of a broader AI writing suite, so while free, it might not be as singularly focused or as deeply comprehensive on grammar as iGrammar, which is dedicated solely to grammar checking.

4
ProWritingAidOn Stork

Provides in-depth reports on writing style, readability, and common errors, going beyond basic grammar to improve overall writing quality.

ProWritingAid's free web editor has limitations on word count per analysis and its most powerful features for style and in-depth analysis are reserved for the premium version, whereas iGrammar claims full features for free.

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