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Preview 3 platforms
iPhone 9 images
iPad 9 images
Mac 5 images
What’s New Version 1.3.8
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with improved precision
• Plagiarism Remover with enhanced rewriting algorithms
• Faster performance and cleaner interface
• Stability fixes across all features
Your complete writing toolkit just got even better.
Description
GRAMMAR CHECKER – WRITE WITH CONFIDENCE
Grammar Checker is your all-in-one writing assistant for iOS. Instantly check grammar, spelling, punctuation, and writing style—right from your iPhone or iPad. Whether you’re drafting emails, essays, reports, or social posts, Grammar Checker helps ensure your writing is clear, correct, and impactful.
Perfect for students, professionals, and anyone who wants to write better.
KEY FEATURES
• Grammar Checker – Fix grammar, spelling, punctuation, and syntax errors with one tap
• AI Detector – Identify AI-generated text for authenticity checks
• AI Humanizer – Rewrite text to sound more natural and human
• Plagiarism Checker – Scan text for duplicate content from online sources
• Plagiarism Remover – Clean and rewrite copied text without losing meaning
• Essay Writer – Generate essays and academic content in seconds
• Essay Checker – Analyze essays for structure, clarity, and correctness
• Summarizer – Turn long text into concise, readable summaries
REAL-TIME GRAMMAR CHECKING
Grammar Checker works as you type. Misspellings and grammatical issues are instantly underlined. Tap for suggestions you can accept or dismiss with ease.
FULL DOCUMENT SCANS
Copy, paste, or import text for a complete grammar and style analysis. Get detailed feedback on errors, improvements, and clarity—ideal for essays, assignments, reports, and long-form writing.
CONTEXTUAL AI SUGGESTIONS
Our advanced AI understands the context of your writing, catching deeper issues such as:
• Subject-verb agreement
• Verb tense consistency
• Ambiguous pronouns
• Wordy or unclear sentences
WRITING STYLE IMPROVEMENTS
Improve tone, flow, and readability with personalized style suggestions:
• Simplify complex sentences
• Convert passive voice to active voice
• Improve clarity and engagement
• Ensure the tone fits your audience
REPORTS & STATISTICS
Track your progress with detailed analytics, including:
• Error types and frequency
• Word count
• Improvement charts over time
Export reports for feedback or personal records.
CUSTOM DICTIONARY
Add custom words, names, or technical terms so they’re never flagged as errors again.
SHARE MENU INTEGRATION
Check writing from any app using the iOS Share menu—no need to switch apps.
SYNC ACROSS DEVICES
Your settings, preferences, and custom dictionary sync automatically using your Apple ID.
PRIVACY & SECURITY
Your writing stays private. Content is never stored or shared without permission. All data is fully encrypted.
Terms: https://www.trostun.com/terms-and-conditions/
WRITE BETTER. ANYTIME, ANYWHERE.
Whether you’re crafting an important email, perfecting an essay, or polishing work documents, Grammar Checker helps you write with precision and confidence.
In-App Purchases US pricing
Grammar Checker Premium Subscription
Weekly Plan · 7 days$4.99
Monthly Plan · Monthly 3-day free trial$7.99
Yearly Plan · Yearly$39.99
Subscription Plans Subscription
Weekly · 7 days$4.99
Monthly · Monthly$7.99
Yearly · Yearly 3-day free trial$39.99
Capabilities
In-App Purchases
Accessibility
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Version history 25 versions
Build 881238785v1.3.82026-03-19 06:59:32
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with improved precision
• Plagiarism Remover with enhanced rewriting algorithms
• Faster performance and cleaner interface
• Stability fixes across all features
Your complete writing toolkit just got even better.
Build 881210801v1.3.72026-01-05 23:55:01
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with improved precision
• Plagiarism Remover with enhanced rewriting algorithms
• Faster performance and cleaner interface
• Stability fixes across all features
Your complete writing toolkit just got even better.
Build 880543440v1.3.62026-01-04 01:34:15
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with improved precision
• Plagiarism Remover with enhanced rewriting algorithms
• Faster performance and cleaner interface
• Stability fixes across all features
Your complete writing toolkit just got even better.
Build 880298102v1.3.52025-12-10 22:20:26
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with improved precision
• Plagiarism Remover with enhanced rewriting algorithms
• Faster performance and cleaner interface
• Stability fixes across all features
Your complete writing toolkit just got even better.
Build 879940469v1.3.42025-12-03 06:48:51
• COMPLETE APP REDESIGN
We’ve rebuilt the entire app with a cleaner, faster, and more intuitive interface. Enjoy a smoother experience across every screen.
• NEW WRITING & ANALYSIS TOOLS ADDED
Alongside Grammar Checker, you can now access a full suite of powerful tools in one place:
• AI Detector
• AI Humanizer
• Plagiarism Checker
• Plagiarism Remover
• Essay Writer
• Essay Checker
• Summarizer
• IMPROVED PERFORMANCE
Faster processing, better accuracy, and enhanced stability across all features.
• GENERAL ENHANCEMENTS & BUG FIXES
We’ve polished the app throughout to deliver a more reliable writing assistant.
Build 879925549v1.3.32025-11-20 13:07:48
• Introducing AI Detector: Check if text was written by AI
• New Humanizer Tool: Instantly rewrite AI text to sound natural
• Smarter grammar & spelling corrections
• Faster text analysis and improved accuracy
• Performance enhancements & bug fixes
Build 879443801v1.3.22025-11-19 22:12:47
• Completely Redesigned App – Enjoy a fresh, modern interface with smoother navigation and a more intuitive writing workflow.
• Introducing AI Detector – Instantly identify whether your text appears AI-generated or human-written with high accuracy.
• New Humanizer Tool – Convert AI-sounding text into natural, human-like writing in one tap. Perfect for essays, messages, and professional content.
• Faster Grammar Checking – Improved engine delivers quicker and more precise grammar, spelling, and punctuation corrections.
• Performance Upgrades – Reduced loading times, better stability, and overall smoother experience.
Build 879020230v1.3.12025-11-01 22:47:44
We've improved grammar accuracy and app performance.
Enjoy smoother writing, better suggestions, and a more stable experience.
Build 878883027v1.3.02025-10-17 08:18:10
Maintenance and Fixes
Build 878318165v1.2.92025-10-13 06:41:41
Maintenance and Fixes
Build 876559235v1.2.82025-09-21 03:27:26
Maintenance and Fixes
Build 873888359v1.2.72025-07-20 09:08:54
Bug fixes and performance improvements
Build 873258746v1.2.62025-04-08 21:31:24
Bug fixes and performance improvements
Build 872308607v1.2.52025-03-14 13:49:15
Bug Fixes & Performance Improvements
Build 871469181v1.2.42025-02-06 17:00:28
Bug fixes and performance improvements for a smoother experience
Build 871306759v1.2.32024-12-31 09:40:40
Bug fixes and performance improvements for a smoother experience
Build 870656526v1.2.22024-12-20 16:57:22
- Enhanced user interface for a smoother experience.
- Performance optimizations for faster and more accurate grammar checking.
- Now you can generate detailed error reports for your text and track improvements.
Build 870441948v1.2.12024-11-23 09:17:17
- Improved Speed: Faster error detection and corrections for seamless writing.
- Bug Fixes: Performance enhancements and stability improvements.
Build 870327136v1.2.02024-11-14 14:26:19
- Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
- One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
- Tone Detection: Tailored suggestions to match your desired tone—professional, casual, or friendly.
- Support for 40+ Languages: Now offering grammar checks in over 40 languages, perfect for multilingual users.
- New Vocabulary Suggestions: Discover synonyms and alternative phrases to keep your writing fresh and varied.
- Enhanced Corrections: Smarter, more accurate grammar, punctuation, and style suggestions to elevate your writing.
Build 870173845v1.1.92024-11-08 17:26:23
Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
Tone Detection: Tailored suggestions to match your desired tone—professional, casual, or friendly.
Support for 40+ Languages: Now offering grammar checks in over 40 languages, perfect for multilingual users.
New Vocabulary Suggestions: Discover synonyms and alternative phrases to keep your writing fresh and varied.
Enhanced Corrections: Smarter, more accurate grammar, punctuation, and style suggestions to elevate your writing.
Build 869456609v1.1.82024-11-03 17:46:15
Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
Tone Detection: Tailored suggestions to match your desired tone—professional, casual, or friendly.
Support for 40+ Languages: Now offering grammar checks in over 40 languages, perfect for multilingual users.
New Vocabulary Suggestions: Discover synonyms and alternative phrases to keep your writing fresh and varied.
Enhanced Corrections: Smarter, more accurate grammar, punctuation, and style suggestions to elevate your writing.
Build 869285968v1.1.72024-10-03 08:57:58
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep up with modern language trends.
- We've improved our Grammar checking algorithms for even more accurate suggestions.
Build 868654033v1.1.62024-09-25 15:56:49
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep up with modern language trends.
- We've improved our Grammar checking algorithms for even more accurate suggestions.
Build 868585038v1.1.52024-08-29 16:26:27
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep up with modern language trends.
- We've improved our Grammar checking algorithms for even more accurate suggestions.
Build 867805008v1.1.42024-08-28 15:19:26
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep up with modern language trends.
- We've improved our Grammar checking algorithms for even more accurate suggestions.
Price history by region
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| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 17 | 4.1 | 1.3.8 |
Change log 29 changes · US
✎
releaseNotes updated
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better orig
✎
description updated
GRAMMAR CHECKER – WRITE WITH CONFIDENCE
Grammar Checker is your all-in-one writing assistant for iOS. Instantly check grammar, spelling, punctuation, and writi
✎
subtitle updated
AI Type,Summarizer,Paraphrase
✎
name updated
AI Grammar Check,Spell Checker
◆
Version 1.3.8 released
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with impr
◆
Version 1.3.7 released
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with impr
◆
Version 1.3.6 released
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with impr
◆
Version 1.3.5 released
We’ve upgraded every tool to make your writing workflow seamless:
• Next-gen Grammar Checker with higher accuracy
• Deep-scan Plagiarism Checker for better originality control
• Humanizer 2.0 for more natural writing
• AI Detector with impr
◆
Version 1.3.4 released
• COMPLETE APP REDESIGN
We’ve rebuilt the entire app with a cleaner, faster, and more intuitive interface. Enjoy a smoother experience across every screen.
• NEW WRITING & ANALYSIS TOOLS ADDED
Alongside Grammar Checker, you can now access
◆
Version 1.3.3 released
• Introducing AI Detector: Check if text was written by AI
• New Humanizer Tool: Instantly rewrite AI text to sound natural
• Smarter grammar & spelling corrections
• Faster text analysis and improved accuracy
• Performance enhancements & b
◆
Version 1.3.2 released
• Completely Redesigned App – Enjoy a fresh, modern interface with smoother navigation and a more intuitive writing workflow.
• Introducing AI Detector – Instantly identify whether your text appears AI-generated or human-written with high a
◆
Version 1.3.1 released
We've improved grammar accuracy and app performance.
Enjoy smoother writing, better suggestions, and a more stable experience.
◆
Version 1.3.0 released
Maintenance and Fixes
◆
Version 1.2.9 released
Maintenance and Fixes
◆
Version 1.2.8 released
Maintenance and Fixes
◆
Version 1.2.7 released
Bug fixes and performance improvements
◆
Version 1.2.6 released
Bug fixes and performance improvements
◆
Version 1.2.5 released
Bug Fixes & Performance Improvements
◆
Version 1.2.4 released
Bug fixes and performance improvements for a smoother experience
◆
Version 1.2.3 released
Bug fixes and performance improvements for a smoother experience
◆
Version 1.2.2 released
- Enhanced user interface for a smoother experience.
- Performance optimizations for faster and more accurate grammar checking.
- Now you can generate detailed error reports for your text and track improvements.
◆
Version 1.2.1 released
- Improved Speed: Faster error detection and corrections for seamless writing.
- Bug Fixes: Performance enhancements and stability improvements.
◆
Version 1.2.0 released
- Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
- One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
- Tone Detection: Tailored suggestions to match your desired
◆
Version 1.1.9 released
Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
Tone Detection: Tailored suggestions to match your desired tone—p
◆
Version 1.1.8 released
Sleek New Interface: A streamlined, intuitive design that makes editing a breeze.
One-Click Fix: Correct all errors instantly with a single click, saving you time on edits.
Tone Detection: Tailored suggestions to match your desired tone—p
◆
Version 1.1.7 released
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep
◆
Version 1.1.6 released
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to keep
◆
Version 1.1.5 released
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases t
◆
Version 1.1.4 released
- Enjoy quicker results with our optimized performance.
- We’ve squashed some bugs for a smoother, more reliable experience.
- A cleaner, more intuitive interface to make your writing process easier.
- Added new words and phrases to