
AI grammar, spelling and style checker for 30+ languages
AI grammar, spelling and style checker for 30+ languages

12 alternatives to SpellFast AI, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|
| ● | SpellFast AI | chromewebstore.google.com | 0 | 0 (—) | Freemium | Global | 3.9 | Profile |
| 1 | LanguageTool | languagetool.org | 5.71M | -247.26K (-4.2%) | Freemium | Brazil | 4.3 | Compare |
| 2 | Grammarly | grammarly.com | 58.87M | -916.08K (-1.5%) | Freemium | United States | 4.4 | Compare |
| 3 | Linguix | linguix.com | 227.4K | -10.64K (-4.5%) | Freemium | United States | 4.1 | Compare |
| 4 | CorrectEnglish | correctenglish.com | 5.04K | 572 (+12.8%) | Freemium | Taiwan | 4.1 | Compare |
| 5 | Corrector App | topai.tools | 121.29K | -98.65K (-44.9%) | Free | United States | 3.7 | Compare |
| 6 | QuillBot Paraphraser | quillbot.com | 36.63M | 824.67K (+2.3%) | Freemium | United States | 4.5 | Compare |
| 7 | ParagraphAI | paragraphai.com | 23.27K | -12.32K (-34.6%) | Freemium | United States | 4.2 | Compare |
| 8 | WProofreader Secure Grammar Checker | chromewebstore.google.com | 0 | 0 (—) | Freemium, Contact for Pricing | Global | 4 | Compare |
| 9 | Outwrite | outwrite.com | 23.17K | -4.68K (-16.8%) | Freemium | Singapore | 3.7 | Compare |
| 10 | TextGears | textgears.com | 43.69K | 243 (+0.6%) | Freemium, Paid | Russia | 4.1 | Compare |
| 11 | Ddict | ddict.me | 32.15K | 750 (+2.4%) | Freemium | Vietnam | 4.2 | Compare |
| 12 | Linguix — Grammar Checker and AI Writing App | chromewebstore.google.com | 0 | 0 (—) | Freemium, Free Trial, Contact for Pricing | Global | 4.6 | Compare |

AI grammar, spelling and style checker for 30+ languages
AI grammar, spelling and style checker for 30+ languages

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

AI grammar checker and writing assistant for teams and professionals
AI grammar checker and writing assistant for teams and professionals

AI proofreading that teaches you to write better
AI proofreading that teaches you to write better
Free online grammar, spelling and punctuation checker
Free online grammar, spelling and punctuation checker
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace

An AI writing assistant and keyboard for error-free writing anywhere
An AI writing assistant and keyboard for error-free writing anywhere

AI grammar, spelling and rewriting that can run entirely on your own servers
AI grammar, spelling and rewriting that can run entirely on your own servers

Write with impact, everywhere you type
Write with impact, everywhere you type

Multilingual grammar, spelling and readability API
Multilingual grammar, spelling and readability API

Browser translation, dictionary, and AI writing assistant
Browser translation, dictionary, and AI writing assistant

Multilingual grammar, paraphrasing and AI rewriting right in your browser
Multilingual grammar, paraphrasing and AI rewriting right in your browser