Add These 7 Best Sentence Checkers to Your Writing Toolbox

Looking for the best sentence checker to make your writing more effective? Check out this list of 7 popular choices.

When you are a writer, you need every sentence to be precise. Using an English grammar checker will help you look closely at each word in your piece. Yet with so many grammar check programs out there, how can you be certain you've found the best sentence checker on the market?

With this guide, you will see some top grammar checkers that look closely at sentence structure, passive voice, and other common grammar errors.

Best Grammar Checker
Grammarly
$30

Grammarly is a top spelling, grammar and plagiarism checker. It'll help you find and fix errors fast, and it works everywhere. The free trial is useful too.

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Strengthen Your Writing With the Best Sentence Checker And Grammar Corrector

Best sentence checkers to add to your writing toolbox

Are you looking for a winning software program that will find grammatical errors and make your writing free of mistakes? While no software can eliminate the need for proofreading, it can help quite a bit. Consider these options.

1. Grammarly

Pricing: Free/$30 per month/$139.95 a year

Grammarly allows you to check your sentences as you type in popular platforms

Grammarly regularly tops the list of grammar checkers. Its free grammar checking program is fairly thorough and will catch a number of grammar mistakes and spelling errors. However, it has a premium version that is even more robust.

This program offers an easy web-based grammar checker, as well as a plugin for Chrome and other browsers. This allows you to check your sentences as you type in popular platforms or upload content to the app to check when you're ready. The program offers suggestions to make your work error-free.

Grammarly has both a free and a paid version. The premium version costs $30 a month.

Pros
  • Good free version and highly effective pro version
  • Instantly scans documents to find spelling and grammar errors
  • Option for Chrome and other browser plug-ins
Cons
  • Will not catch all errors
  • Does not work offline
  • High cost for more effective free option
Best Grammar Checker
Grammarly
$30

Grammarly is a top spelling, grammar and plagiarism checker. It'll help you find and fix errors fast, and it works everywhere. The free trial is useful too.

Become a Writer Today is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

2. ProWritingAid

Pricing: From free/$70 a year

ProWritingAid-Style-report-Grammarly-Alternative
This app offers explanations and grammar instructions that can help make you a better writer

ProWritingAid is often called the best grammar checker by writers who want to improve readability and reduce redundancies in their writing. It integrates with Google Docs, Gmail and WordPress, so bloggers and online marketing pros find it helpful.

This program is more than just a sentence and spelling checker. This app offers explanations and grammar instructions that can help make you a better writer. The suggested corrections always explain why, so you can learn from your mistakes.

ProWritingAid has a free version that will check word counts of up to 500 words. Paid Versions are between $20 and $24 a month.

Pros
  • Detailed explanations of grammar rules
  • Compatible with Google Docs, Gmail and WordPress
  • Helps writers reduce redundancies along with checking grammar and spelling
Cons
  • Free version limited to 500 words
  • Not compatible with LibreOffice
  • Large documents sometimes create a lag
Ideal for Fiction Writers
ProWritingAid
$79

ProWritingAid is a powerful, accurate grammar checker and style editor. It's suitable for fiction writers and doesn't require a monthly subscription.

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3. Ginger

Pricing: $13.99 per month

Ginger has a browser extension or plugin you can use to make your work more easily accessible

Ginger works great for bilingual writers. At $20.97 a month, it's an affordable tool. It offers grammar checking for 40 languages and a robust text-to-speech feature. It also has a good free version complete with a thesaurus and dictionary to help writers evaluate their writing style and choose synonyms when appropriate.

If you work in Chrome, Ginger has a browser extension or plugin you can use to make your work more easily accessible. The plugin helps you catch spelling mistakes and other errors in emails and social media posts.

This program is compatible with Microsoft Word, but it does not work with Google Docs.

Pros
  • Browser plugin to help catch errors in emails and social media posts
  • Effective punctuation and spelling checker
  • Over 40 languages for translation feature
Cons
  • Does not work with Google Docs
  • Small font is sometimes hard to read
  • No MacOS platform
Ideal for Non-English Speakers
Ginger
$20

Ginger is a popular alternative to Grammarly. Although it doesn't have as many features, it's relatively accurate and affordable. It's also useful for non-english speakers.

We earn a commission if you make a purchase, at no additional cost to you.

4. Hemingway App

Pricing: From free to $20

HemingwayEditor - grammar checker review
Hemingway App checks sentence structure and readability

If you are looking for a true sentence checker that will help you eliminate passive sentences and wordy writing, Hemingway App is the one you want. Hemingway App is not a free grammar checker. Rather it checks sentence structure and readability. You won't use this to test for spelling and punctuation errors, but rather for passive sentences and hard-to-read writing.

Hemingway App uses a color-coded system to highlight where your writing could improve. Plug your writing into the app, and make changes as you see fit. If you are prone to passive voice or too many adverbs, Hemingway App will find the problem.

This writing tool is completely free if you use the web-based version. You can also pay for a desktop app for just $20.

Pros
  • Checks a variety of sentence style issues
  • Uses color-coded highlight to show errors and suggestions
  • Helps reduce wordiness and improve readability
Cons
  • Does not check grammar, punctuation or spelling
  • Does not work offline
  • Sometimes highlights problems that are correct

5. WhiteSmoke

Pricing: $6.99 per month

Whitesmoke proofreader
Whitesmoke also doubles as a plagiarism checker

WhiteSmoke combines a grammar checker with a proofreading program to find spelling and punctuation mistakes, common issues with grammar rules, misused words and style problems. It also translates written work into over 50 languages.

This program works really well as a sentence checker because it helps correct structure and punctuation problems. It also doubles as a plagiarism checker, so you can avoid problems with duplicating work.

Unfortunately, WhiteSmoke does not have a free version or trial, but the web plan is just $5 a month. The Premium plan is $6.66 a month, while the business plan is $11.50 a month.

Pros
  • A long list of features
  • Works on both Android and iOS mobile devices
  • Explains errors well
Cons
  • No free version
  • Requires an Internet connection
  • Sometimes has inaccurate results
Budget-Friendly
WhiteSmoke
$9.95

Whitesmoke is accurate, relatively easy to use and suitable for businesses. It's cheaper than other grammar checkers.


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6. LanguageTool

Pricing: $5 per month

LanguageTool is very user-friendly and detects over 1,700 patterns of errors.

LanguageTool is an open-source program that a group of language enthusiasts created to help people write more accurately. It is available online, but you can also download it to your device and use it offline. It checks many languages, not just the English language, and works with LibreOffice, Microsoft Word, Google Docs, Chrome and Firefox.

LanguageTool is very user-friendly and detects over 1,700 patterns of errors. It often finds mistakes other grammar checkers miss. This is a powerful spell-check tool to check for typos and commonly misused words as well.

Because this is an open-source software program, it has a nice free version of its online grammar checker. It limits you to 20,000 characters. For $19 a month you can get more characters with the premium plan.

7. Antidote

Who It’s For: Writers who prefer editing sentences locally rather than online or with cloud software

Antidote checks sentences locally on your machine

Antidote is a lesser-known sentence checker. Developed in France, it’s available on Mac Windows, Linux and Chromebook.

It costs $59.95 per anum. Unlike, other sentence checkers here, Antidote works locally on your machine. It’s a good option if you dislike uploading writing to the cloud. It's popular with businesses and academic institutions. The company also sells Antidote+, which operates online like Grammarly.

I particularly liked its ability to check sentences that I saved to my clipboard while writing in Apple Pages and Ulysses (pictured above).

Pros
  • Works locally
  • Mobile version available
  • Supports other languages and custom dictionaries
  • Works with with many desktop writing apps
Cons
  • No browser plugin
  • Missed some sentence errors that Grammarly caught

Why You Can Trust Us

I’ve written and published dozens of articles for newspapers, magazines, and online publications including, Forbes and Lifehacker. I'm also a best-selling non-fiction author, a trained journalist, and a copywriter.

Our Testing Criteria

Sentence checker software like the options here forms a key part of my writing workflow for non-fiction. I use sentence checkers software regularly to improve my work and also to edit work by freelance writers who publish content on this site.

A Final Word on the Best Sentence Checker

The best sentence checker is the one that checks what you need it to. If you are prone to structure problems, then choose one that analyzes word choice and readability. If you are prone to typos, a spelling and punctuation checker will be best.

Remember, nothing frees you from the need to proofread your work, but the right grammar checking program can use its algorithm to help you improve your writing skills.

Grammarly is a good choice for most writers who need to fix a sentence in a hurry. ProWritingAid works well for fiction writers Antidote is another interesting addition.

FAQs on the Best Sentence Checker

What is the best free grammar checker?

Grammarly and ProWritingAid are some of the most popular grammar checkers, and both have free versions to help you avoid grammatical mistakes in your writing.

Why should I use a free online grammar and spell checker?

Grammar and spell checkers are good tools to help writers avoid common mistakes. Using one can help you fine-tune your writing.

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Author

  • Nicole Harms has been writing professionally since 2006. She specializes in education content and real estate writing but enjoys a wide gamut of topics. Her goal is to connect with the reader in an engaging, but informative way. Her work has been featured on USA Today, and she ghostwrites for many high-profile companies. As a former teacher, she is passionate about both research and grammar, giving her clients the quality they demand in today's online marketing world.

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