# Grammarly vs Squibler

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Squibler records 384,827 monthly visits with -10.4% growth and Freemium pricing.

| Metric | [Grammarly](https://openaitools.app/tool/grammarly) | [Squibler](https://openaitools.app/tool/squibler) |
| :--- | :--- | :--- |
| Website URL | https://www.grammarly.com | https://www.squibler.io |
| Categories | AI Writing Assistants, AI Writing, AI Grammar Checker, AI Text Generator | AI Story Generator, AI Book Writing, AI Script Writing, AI Writing Assistants |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 58,867,412 | 384,827 |
| MoM Growth Rate | -1.5% | -10.4% |
| Primary Market | United States | United States |
| Direct Visits | 25,398,749 | 193,257 |
| Review Score | 4.4 | 4.1 |
| Saved Count | 74 | 6 |
| 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)

## Squibler

Squibler is aimed squarely at the problem of wanting to write a book and never finishing it. Rather than only autocorrecting sentences, it is built around long-form structure: you describe your concept, genre, and core elements, and it generates a first draft organised into chapters and scenes that you then shape as a living document. A full-length book or screenplay can be generated as a starting point rather than a blank page.

What separates it from a generic text generator is the surrounding machinery. The AI Smart Writer acts as a co-author: you set an objective, it evaluates your prose, suggests revisions, and iterates until the text fits, while you keep control by accepting or rejecting each change. Structured "elements" — characters, settings, and key details — are stored and referenced while writing, which helps prevent the character drift and plot contradictions that plague AI-drafted fiction. There is also outline generation, plus image and short-video generation from highlighted passages for pitches and covers.

Squibler also supports the business side of writing. Projects can be exported to PDF and DOCX, printed hard copies are offered (Squibler advertises a free physical copy of your first book on paid plans), and it publishes writing contests and screenwriting competitions for its community. The free tier is genuinely usable with 500 AI credits a month, while Plus and Pro lift the credit ceiling to 20,000 and unlimited respectively for full manuscripts and multiple projects. Everything you create remains yours.

**Pricing & Plans:** Freemium. The free plan is $0 forever with 500 AI credits per month. Plus is $29.99/month (roughly $15.83/month billed annually) with 20,000 credits and full-length manuscript generation. Pro is $89.99/month (roughly $49.17/month annually) with unlimited AI credits. Annual billing saves about 45%.

- **Full-length draft generation:** Generate a structured first draft of a full-length book, novel, or screenplay organised into chapters and scenes, based on your concept, genre, and core elements.
- **AI Smart Writer:** An AI co-author analyses your text, proposes revisions toward a stated objective, and iterates with you while you accept, reject, or refine every suggestion.
- **Elements and story bible:** Create structured characters, settings, and key details that the AI references during writing so motivations stay consistent and contradictions are avoided.
- **Visual generation:** Highlight passages to generate original images or short video sequences inspired by your scenes, useful for covers, storyboards, and promotional assets.
- **Templates and generators:** Book, screenplay, and character templates plus generators for titles, plots, and writing prompts to get unstuck.

**Strengths:** Generates full-length books and screenplays, not just paragraphs; AI Smart Writer refines existing prose while you keep creative control; Structured characters and settings reduce plot and continuity errors; Free tier with 500 AI credits per month is genuinely usable

**Limitations:** Credit-based plans can run out mid-project on the Plus tier; Very long manuscripts still need heavy human editing; Print and cover quality claims vary by region and printer

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

## Frequently Asked Questions

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

Grammarly has 58,867,412 monthly visits, while Squibler has 384,827. 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%; Squibler has -10.4%.

### 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. Squibler: Freemium. Freemium. The free plan is $0 forever with 500 AI credits per month. Plus is $29.99/month (roughly $15.83/month billed annually) with 20,000 credits and full-length manuscript generation. Pro is $89.99/month (roughly $49.17/month annually) with unlimited AI credits. Annual billing saves about 45%.

## 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 | [NovelAI](https://openaitools.app/tool/novelai) | 5,312,740 | +4.9% | Free Trial | Offers powerful unconstrained long-form storytelling models and image generation, but has less structured book-planning guidance. | [.md](https://openaitools.app/tool/novelai.md) |
| 5 | [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) |
| 6 | [DreamGen](https://openaitools.app/tool/dreamgen-ai-role-play-story-writing) | 1,585,149 | +16.6% | Freemium | Great for interactive narrative generation and worldbuilding, but lacks Squibler's dedicated book and chapter organization workspace. | [.md](https://openaitools.app/tool/dreamgen-ai-role-play-story-writing.md) |
| 7 | [Sudowrite](https://openaitools.app/tool/sudowrite) | 1,152,446 | +6.7% | Free Trial, Paid | Purpose-built for fiction authors with advanced brainstorming and chapter outlining tools, but lacks dedicated screenplay formatting. | [.md](https://openaitools.app/tool/sudowrite.md) |
| 8 | [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) |
| 9 | [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) |
| 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-squibler

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