Grammarly-AI Writing Assistant

In-app purchases
4.0
246K reviews
50M+
Downloads
Content rating
Everyone
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About this app

Edit and correct your grammar, spelling, punctuation, and more with your personal writing assistant, grammar checker, and editor.

The Grammarly writing app and proofreader allows you to write clearly, confidently, and mistake-free in all your apps. Advanced features such as the AI-powered rewrite tool help you enhance your vocabulary, spell check words, and improve your writing - from emails to social media posts.

Grammarly grammar checker and editor - how does it work?

Simply download Grammarly and start typing in any app. Grammarly will check each word, your grammar, spelling, punctuation, and tone, and help you improve your communication skills.

Whether you’re typing emails on the go, editing an important LinkedIn post, sending a text message, or composing an essential tweet, the Grammarly writing assistant and grammar checker lets you spell check, correct, edit and perfect your message from your mobile device with confidence.

Leveraging the power of generative AI, Grammarly allows you to easily rewrite your messages by composing new versions for you to choose from. Simply select the rewrite option that makes your writing more descriptive, confident, formal - and much more!

Grammarly works with any Android keyboard, such as Gboard or SwiftKey, so you’ll never have to switch keyboards when you need help writing that important email, text, or social post.

Edit, spell check, and correct your writing in real time

– Grammar checker: Know your grammar is always mistake-free.
– Spelling checker and proofreader: Easily avoid common typos.
– Advanced punctuation correction: Take the guesswork out of punctuation.

Writing assistant and proofreader: Improve your communication skills

– Receive short, clear explanations for every correction.
– Understand your mistakes and avoid them in the future.

Improve your writing through GenAI

- Select your text and click “improve it” to see GenAI-created new versions
- Choose versions to shorten, add more description, sound more confident, and more!

*** Uplevel Your Communication Skills With Premium ***

Take your writing and communication skills from good to great with our advanced features and suggestions.

Grammarly Premium helps you strike the right tone, gives you real-time feedback, and helps you broaden your vocabulary by suggesting impactful, vivid words to help your message, social media post, or email come to life.

Premium features include:

✓ Vocabulary enhancement
✓ Clarity improvements
✓ Tone adjustments
✓ Word choice
✓ Formality level
✓ Fluency

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We designed the Grammarly mobile app to be a writing assistant that works anywhere you write—no copying or pasting required, no proofreader needed.

For any inquiries regarding the deactivation of the Grammarly Keyboard for Android, please refer to this article: https://support.grammarly.com/hc/en-us/articles/25038364027661--The-Grammarly-Keyboard-for-Android-will-be-discontinued

Grammarly always keeps your writing safe and private. See our User Trust Guidelines for details: https://www.grammarly.com/trust

By installing Grammarly’s mobile app, you agree to Grammarly’s Terms and Conditions (www.grammarly.com/terms) and acknowledge that you have read Grammarly’s Privacy Policy (https://www.grammarly.com/privacy-policy). California residents, please see the California Privacy Notice (https://www.grammarly.com/privacy-policy#for-california-users).

With your consent, Grammarly may collect data about app usage and device type. Accessibility permission is used to process text written in apps and provide you with tailored writing assistance. We also use this permission to turn Grammarly on when you’re typing in apps.
Updated on
Apr 17, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App info and performance
This app may collect these data types
Personal info, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.9
237K reviews
kirbyzaz
March 17, 2025
Due to the inevitable discontinuation of the keyboard, there has been an awful lot of compatability problems for a majority of us to the point Grammarly sometimes refuses to stay active or there are just no possible settings in the device's OS to enable it. It would be nice if this was reverted since everything worked perfectly fine before.
92 people found this review helpful
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Grammarly, Inc.
March 19, 2025
Sorry for the inconvenience! Could you please contact our support team via https://gram.ly/3vQJV2L so they can investigate the issues? Thank you for your input!
Jacob Champ
April 1, 2025
I used grammarly back in 2021. Tried it again recently...Absolutely broken! The AI has no idea how to spell anything. Half the suggestions are to spell words incorrectly or to move a word into the middle of another word or a whole pg down. It refuses to show me where in the document said errors are (I work with 30+pg documents). Reinstalling does nothing. Same issue on Android & PC. Complete trash. No thank you. Do not give this program the time of day. It's faster for me to spellcheck manually.
70 people found this review helpful
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Jamey Smith
February 11, 2025
This is a good app/assistant for vocabulary and grammar. I find it most useful at correcting typos when I'm typing quickly and not paying as much attention as I probably should. It's no top-tier human editor, and it does make mistakes. However, the way it works is that you get to approve or discard any and all changes it suggests, there y allowing you to control what gets changed, as opposed to autocorrect, which changes SO MANY words without need into words that make no contextual sense.
120 people found this review helpful
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What’s new

Grammarly’s latest Writing Assistant, now delivering writing suggestions through a sleek floating widget
With our new AI-powered rewrites, Grammarly harnesses the power of generative AI to give you compelling alternative versions to consider - adjusting for length, fluency, tone, and more!
• For uninterrupted assistance, adjust your battery settings to allow Grammarly to run in the background
• Tone detection and rewrites
• Memory management improvements
• Bug fixes and performance improvements