# Grammarly vs SimpleGPT

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. SimpleGPT records 0 monthly visits with — growth and Free pricing.

| Metric | [Grammarly](https://openaitools.app/tool/grammarly) | [SimpleGPT](https://openaitools.app/tool/simplegpt) |
| :--- | :--- | :--- |
| Website URL | https://www.grammarly.com | https://chromewebstore.google.com/detail/simplegpt/ahbcgecbbojefmeonbhhebjkfaflgdhe |
| Categories | AI Writing Assistants, AI Writing, AI Grammar Checker, AI Text Generator | AI Writing Assistants, AI Email Generator, AI Rewriter, AI Translate |
| Pricing Model | Freemium | Free |
| Monthly Visits | 58,867,412 | 0 |
| MoM Growth Rate | -1.5% | — |
| Primary Market | United States | Global |
| Direct Visits | 25,398,749 | 0 |
| Review Score | 4.4 | 3.2 |
| Saved Count | 74 | 1 |
| Supported Platforms | Website | Browser Extension |

## Grammarly

Grammarly is the world's most widely deployed AI writing and communication platform, trusted by more than 40 million daily users and 50,000 organizations including Atlassian, Databricks, and Zoom. Operating as a persistent overlay across over 500,000 web applications, desktop programs (Windows and macOS), Microsoft Office, Google Docs, and iOS/Android keyboards, Grammarly analyzes text in real time to eliminate grammatical errors, streamline wordy phrasing, and calibrate tone to match the writer's intent. Following its corporate evolution under the Superhuman Platform umbrella alongside Superhuman Mail and Coda, Grammarly has expanded from a personal proofreader into an enterprise-grade proactive AI communication suite.

In 2026, Grammarly goes well beyond red-underline spellchecking with a suite of specialized AI Agents and document integrity tools. Writers can invoke purpose-built agents—including AI Grader, Citation Finder, Reader Reactions, and Paraphraser—alongside generative AI drafting directly inline where they work. To address academic and professional transparency in the generative AI era, Grammarly offers built-in Plagiarism Detection, an AI Detector, and Grammarly Authorship, which tracks how a document was constructed by automatically categorizing text as human-typed, pasted from external sources, or generated/modified with AI. For teams, Grammarly enforces organizational consistency through custom Style Guides, Brand Tones, reusable Snippets, and Knowledge Share.

Grammarly simplified its subscription structure by consolidating its legacy individual 'Premium' and team 'Business' offerings into a single unified tier: Grammarly Pro. The Free plan ($0/month) covers essential spelling, punctuation, basic tone visibility, and 100 generative AI prompts per month. Grammarly Pro is priced at $12/member/month when billed annually ($144/year) or $30/member/month when billed monthly ($60 quarterly), unlocking unlimited personalized fluency suggestions, full-sentence rewrites, tone adjustment, citation formatting, plagiarism and AI detection, 1 team style guide, and 2,000 generative AI prompts per member each month. Large organizations opt for Grammarly Enterprise (available with Superhuman Go) for unlimited AI prompts, SAML SSO, SCIM provisioning, Data Loss Prevention (DLP), and Bring Your Own Key (BYOK) encryption.

**Pricing & Plans:** Free plan ($0/month) includes core grammar and spelling checks, tone detection, and 100 generative AI prompts/month; Grammarly Pro costs $12/member/month billed annually ($144/year, or $30/month billed monthly) with full-sentence rewrites, plagiarism/AI detection, team style guides, and 2,000 AI prompts/month, while Enterprise offers custom pricing with unlimited AI prompts and BYOK security.

- **Ubiquitous Inline Rewriting & Tone Calibration:** Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.
- **Specialized AI Agents (AI Grader, Citation Finder & Reader Reactions):** Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.
- **Grammarly Authorship, AI Detector & Plagiarism Checker:** Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.
- **Team Style Guides, Brand Tones & Knowledge Share:** Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.
- **Enterprise Security, DLP & Superhuman Platform Governance:** Protects organizational data with SOC 2 Type 2 attestation, SAML SSO, SCIM lifecycle management, Confidential Mode, Data Loss Prevention controls, Audit Logs API, and customer-managed BYOK encryption.

**Strengths:** Frictionless cross-platform integration works inside virtually every browser, desktop app, email client, and mobile OS without copy-pasting into a separate chatbot.; Consolidating Premium and Business into Grammarly Pro ($12/member/month annual) gives individuals and small teams access to style guides, analytics, and plagiarism/AI detection in one plan.; Grammarly Authorship provides a constructive, transparent audit trail for students and writers to demonstrate human writing integrity alongside responsible AI editing.; Mature enterprise security posture featuring BYOK encryption, Data Loss Prevention, and granular application/domain blocklists.

**Limitations:** Month-to-month billing on Grammarly Pro is steep at $30/member/month compared to the $12/member/month annual commitment ($144 billed upfront).; Core writing intelligence and style rules remain primarily optimized for English dialects (US, UK, Canadian, Australian, Indian) rather than native multilingual grammar checking.; Aggressive inline underlines and pop-up agent cards can feel visually intrusive in dense technical documents or code-heavy web editors unless muted per domain.

[Profile (Markdown)](https://openaitools.app/tool/grammarly.md)

## SimpleGPT

SimpleGPT is a Chrome extension built for one purpose: cutting the friction out of everyday writing tasks. Instead of juggling separate tabs for a paraphrasing site, a translator, and an email generator, you install the extension once and reach all three helpers from the browser you already have open. It is a single-purpose utility rather than a full writing platform, and its footprint is tiny — the whole extension ships in under 30 KB.

The workflow is deliberately simple. For email composition you supply a handful of keywords or a rough intent, and the tool expands that into a complete message. For rewriting, it takes text you already have and returns a clearer, more concise version so your point lands without extra padding. Translation covers dozens of languages, which makes it useful for short cross-border messages and for reading foreign-language text you encounter while browsing.

The listing shows a small but stable install base (17 users) and a single 5-star rating, and the last published update was version 1.1 in April 2023. That means SimpleGPT should be treated as a mature, no-longer-actively-developed utility: it does what it advertises, but you should not expect new features, integrations, or a large support operation. Anyone comparing it with modern AI writing suites should weigh that trade-off, since newer tools offer broader context handling and richer editing controls.

**Pricing & Plans:** SimpleGPT is free to install and use. The Chrome Web Store listing shows no paid tier, subscription, or in-app purchase, and no usage limits are advertised.

- **AI email composition:** Enter a few keywords or a rough outline and SimpleGPT generates a complete email draft, so you start from a finished structure instead of a blank page.
- **One-click text rewriting:** Feed it text you have already written and get a clearer, tighter version back — handy for polishing blog posts, assignments, or outreach messages.
- **Multi-language translation:** Translate text into and out of dozens of languages directly from your browser, without opening a separate translation site.
- **Runs inside Chrome:** Everything happens from the extension's toolbar button on the pages you already use, so there is no new app to learn or separate account to manage.
- **Very small footprint:** The extension ships at roughly 27 KB, so it adds essentially no load time or memory overhead to your browser.

**Strengths:** Completely free with no account, subscription, or credit card required; Combines email drafting, rewriting, and translation in one lightweight extension; Tiny install size (about 27 KB), so it barely affects browser performance; Works directly in Chrome on the pages you already use, with no separate app to open

**Limitations:** No updates published since version 1.1 in April 2023, so it is not actively developed; Small user base and very limited review history, which makes reliability hard to judge; Basic feature set compared with modern AI writing assistants that handle long documents and richer editing

[Profile (Markdown)](https://openaitools.app/tool/simplegpt.md)

## Frequently Asked Questions

### How do Grammarly and SimpleGPT compare in monthly traffic?

Grammarly has 58,867,412 monthly visits, while SimpleGPT has 0. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Grammarly has a month-over-month growth rate of -1.5%; SimpleGPT has —.

### How does pricing compare?

Grammarly: Freemium. Free plan ($0/month) includes core grammar and spelling checks, tone detection, and 100 generative AI prompts/month; Grammarly Pro costs $12/member/month billed annually ($144/year, or $30/month billed monthly) with full-sentence rewrites, plagiarism/AI detection, team style guides, and 2,000 AI prompts/month, while Enterprise offers custom pricing with unlimited AI prompts and BYOK security. SimpleGPT: Free. SimpleGPT is free to install and use. The Chrome Web Store listing shows no paid tier, subscription, or in-app purchase, and no usage limits are advertised.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [DeepL](https://openaitools.app/tool/deepl) | 95,110,871 | -1.7% | Freemium | Outstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker. | [.md](https://openaitools.app/tool/deepl.md) |
| 2 | [QuillBot Paraphraser](https://openaitools.app/tool/quillbot-paraphraser) | 36,630,337 | +2.3% | Freemium | Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps. | [.md](https://openaitools.app/tool/quillbot-paraphraser.md) |
| 3 | [Superhuman](https://openaitools.app/tool/superhuman) | 6,514,241 | +7.9% | Paid | The AI productivity suite with agents, email, and docs that work wherever you do | [.md](https://openaitools.app/tool/superhuman.md) |
| 4 | [LanguageTool](https://openaitools.app/tool/languagetool) | 5,707,795 | -4.2% | Freemium | Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features. | [.md](https://openaitools.app/tool/languagetool.md) |
| 5 | [Sider](https://openaitools.app/tool/sider-ai-extension) | 2,644,740 | -10.6% | Freemium | Your AI agent for the browser: chat, automate and create from one sidebar | [.md](https://openaitools.app/tool/sider-ai-extension.md) |
| 6 | [ProWritingAid](https://openaitools.app/tool/prowritingaid-com) | 1,623,266 | +17.6% | Freemium, Paid | Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly. | [.md](https://openaitools.app/tool/prowritingaid-com.md) |
| 7 | [Paperpal](https://openaitools.app/tool/paperpal) | 1,111,641 | +1.7% | Freemium | AI academic writing assistant that edits, cites, and checks your manuscript right where you write | [.md](https://openaitools.app/tool/paperpal.md) |
| 8 | [Hemingway Editor](https://openaitools.app/tool/hemingway-editor) | 605,169 | -8.6% | Free Trial, Paid, Free | Highlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support. | [.md](https://openaitools.app/tool/hemingway-editor.md) |
| 9 | [Spark Mail](https://openaitools.app/tool/spark-mail) | 435,229 | -13.5% | Freemium, Free Trial | Smart, focused email with AI help — for individuals and teams | [.md](https://openaitools.app/tool/spark-mail.md) |
| 10 | [Wordtune](https://openaitools.app/tool/wordtune) | 368,771 | -5.8% | Freemium, Free Trial | Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides. | [.md](https://openaitools.app/tool/wordtune.md) |

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Source: https://openaitools.app/compare/grammarly-vs-simplegpt

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