# Grammarly vs PromptFolder

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. PromptFolder records 25,850 monthly visits with -10.6% growth and Free pricing.

| Metric | [Grammarly](https://openaitools.app/tool/grammarly) | [PromptFolder](https://openaitools.app/tool/promptfolder-com) |
| :--- | :--- | :--- |
| Website URL | https://www.grammarly.com | https://promptfolder.com |
| Categories | AI Writing Assistants, AI Writing, AI Grammar Checker, AI Text Generator | AI Prompt Generator, Prompt Engineering, AI Content Detector, AI Youtube Summary |
| Pricing Model | Freemium | Free |
| Monthly Visits | 58,867,412 | 25,850 |
| MoM Growth Rate | -1.5% | -10.6% |
| Primary Market | United States | United States |
| Direct Visits | 25,398,749 | 11,283 |
| Review Score | 4.4 | 4.1 |
| Saved Count | 74 | 2 |
| Supported Platforms | Website | Website |

## 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)

## PromptFolder

PromptFolder is built for the practical side of working with AI: keeping the prompts that actually work in one dependable place. Instead of scattering snippets across notes apps and chat history, you get a library with folders, an advanced editor and a one-click copy or run flow. Prompts can be reused, refined and shared, so your best instructions stop being throwaway scraps you retype from memory.

Integration matters here. A Chrome extension surfaces your saved prompts inside ChatGPT, letting you insert them without breaking your workflow. The platform also hosts a browsable collection of trending prompts from other users, covering jobs like SEO meta titles, keyword research and blog ideation, which you can copy and adapt to your own needs.

Beyond prompt management, PromptFolder bundles free companion tools including a Midjourney prompt generator, a ChatGPT detector and an AI YouTube summarizer. Accounts are created with a simple free sign-up, making it a lightweight starting point for individuals and small teams who want structure without heavy tooling.

**Pricing & Plans:** Free to use with a simple sign-up; the site promotes a 'Sign Up Free' account rather than paid tiers.

- **Prompt library with folders:** Save prompts to a personal library, sort them into folders and rename or reorganize them as your collection grows.
- **Advanced prompt editor:** Draft and refine prompts in place, with variables and quick copy or run actions for fast reuse.
- **Chrome extension for ChatGPT:** Bring your saved PromFolder library directly into ChatGPT so you can insert prompts without switching tabs.
- **Trending prompt discovery:** Browse popular community prompts for tasks like SEO titles, keyword research and content ideation, then adapt them.
- **Companion free tools:** Use the built-in Midjourney prompt generator, ChatGPT detector and AI YouTube summarizer alongside your library.

**Strengths:** Free to use with a straightforward sign-up; Chrome extension integrates prompts into ChatGPT; Folder organization and an advanced editor keep prompts tidy; Trending library and free companion tools add value

**Limitations:** The richest workflow depends on using the Chrome extension; Some advanced or shared features may require an account upgrade

[Profile (Markdown)](https://openaitools.app/tool/promptfolder-com.md)

## Frequently Asked Questions

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

Grammarly has 58,867,412 monthly visits, while PromptFolder has 25,850. 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%; PromptFolder has -10.6%.

### 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. PromptFolder: Free. Free to use with a simple sign-up; the site promotes a 'Sign Up Free' account rather than paid tiers.

## 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 | [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) |
| 4 | [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) |
| 5 | [Prompt Cowboy](https://openaitools.app/tool/prompt-cowboy) | 1,130,450 | -22.4% | Freemium | Turn lazy prompts into great ones and get more out of any large language model | [.md](https://openaitools.app/tool/prompt-cowboy.md) |
| 6 | [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) |
| 7 | [Image Prompt](https://openaitools.app/tool/image-prompt) | 608,804 | +16.1% | Freemium, Paid | AI toolkit for writing, enhancing and reversing image prompts | [.md](https://openaitools.app/tool/image-prompt.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 | [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) |
| 10 | [PrompTessor](https://openaitools.app/tool/promptessor) | 321,329 | +84.2% | Freemium | Analyze, optimize and organize prompts in one AI workspace | [.md](https://openaitools.app/tool/promptessor.md) |

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Source: https://openaitools.app/compare/grammarly-vs-promptfolder-com

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