# Grammarly vs Instantly

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Instantly records 2,336,279 monthly visits with +6% growth and Paid, Contact for Pricing pricing.

| Metric | [Grammarly](https://openaitools.app/tool/grammarly) | [Instantly](https://openaitools.app/tool/instantly) |
| :--- | :--- | :--- |
| Website URL | https://www.grammarly.com | https://instantly.ai |
| Categories | AI Writing Assistants, AI Writing, AI Grammar Checker, AI Text Generator | AI Sales, AI Lead Generation, AI Email Marketing, AI CRM |
| Pricing Model | Freemium | Paid, Contact for Pricing |
| Monthly Visits | 58,867,412 | 2,336,279 |
| MoM Growth Rate | -1.5% | +6% |
| Primary Market | United States | United States |
| Direct Visits | 25,398,749 | 1,821,304 |
| Review Score | 4.4 | 4.4 |
| Saved Count | 74 | 13 |
| 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)

## Instantly

Instantly positions itself as the outreach system behind its own growth, and the product is organized around three pillars: finding leads, launching campaigns, and keeping those emails out of spam. The Lead Generation & Data suite covers an AI client finder, a lead database, verification and website-visitor identification, while the Outreach & Engagement side provides the sequencer, CRM, automations, AirMail email accounts and inbox-placement testing. Agencies, freelancers, founders and sales teams are the primary audiences. What separates it from a plain email sequencer is the agent layer. Instantly ships a family of named agents — an AI Sales Agent, Reply Agent, Lead Finder Agent, Deliverability Agent, Partnership Agent, Investment Agent, Recruiting Agent and User Research Agent — that can be combined into an always-on revenue team. Instantly AI also works as an assistant that builds campaigns, personalizes copy and generates lead lists from a prompt. Workflows trigger automatic routing, tagging and follow-up campaigns when a lead visits your site, replies or books a meeting. Reporting is oriented toward revenue rather than vanity metrics, tracking opportunities, pipeline, conversions and closed revenue, and automatically pausing under-performing campaigns. Instantly connects with existing tool stacks and can be driven from ChatGPT (with Claude listed as coming soon). Pricing is tiered by sending volume, mailbox count and lead credits.

**Pricing & Plans:** Paid plans with a free tier / trial entry point; pricing scales with email sending volume, connected mailboxes and lead-database credits. Exact tiers are listed on instantly.ai/pricing.

- **Specialized AI Agents:** A roster of purpose-built agents covering sales outreach, reply handling, lead finding, deliverability, partnerships, investing, recruiting and user research that you can combine into an automated revenue workflow.
- **Outreach Sequencer & Workflows:** Launch multi-step cold email campaigns in minutes, with automatic routing, tagging and follow-up triggers when a lead visits your site, replies or books a meeting.
- **Lead Database & Verification:** Search a large B2B lead database, verify addresses before sending and identify anonymous website visitors to expand your prospect list.
- **Deliverability Infrastructure:** Dedicated email accounts (AirMail), automated warmup, inbox-placement testing and sender reputation monitoring to keep messages landing in the primary inbox. There is no AI-generated or role prose youll want to keep.
- **Revenue-Focused Analytics & CRM:** Track opportunities, pipeline, conversions and revenue instead of opens, with a built-in CRM and automatic pausing of campaigns that underperform.

**Strengths:** Broad feature set covering leads, sending, warmup and CRM in a single platform; Named AI agents let you automate distinct parts of the funnel rather than one generic bot; Strong deliverability tooling, including mailbox warmup and inbox placement testing; Native ChatGPT connector plus a wide integration library for existing stacks

**Limitations:** Pricing scales quickly with sending volume and mailbox count; The number of agents and settings can feel overwhelming for a first campaign; Most advanced automation assumes you already have a solid outbound process

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

## Frequently Asked Questions

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

Grammarly has 58,867,412 monthly visits, while Instantly has 2,336,279. 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%; Instantly has +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. Instantly: Paid, Contact for Pricing. Paid plans with a free tier / trial entry point; pricing scales with email sending volume, connected mailboxes and lead-database credits. Exact tiers are listed on instantly.ai/pricing.

## 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 | [Brevo](https://openaitools.app/tool/brevo) | 6,527,382 | +5.8% | Freemium | Offers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns. | [.md](https://openaitools.app/tool/brevo.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 | [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 | [Clay](https://openaitools.app/tool/clay-2-0) | 1,267,465 | -2.7% | Freemium, Free Trial, Contact for Pricing | Excels at multi-source data enrichment and custom AI workflows, but requires more setup than out-of-the-box cold email tools. | [.md](https://openaitools.app/tool/clay-2-0.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 | [Outreach](https://openaitools.app/tool/outreach) | 958,599 | +0.4% | Contact for Pricing | Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly. | [.md](https://openaitools.app/tool/outreach.md) |
| 9 | [Smartlead](https://openaitools.app/tool/smartlead-ai) | 952,377 | +4.3% | Free Trial, Paid | Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences. | [.md](https://openaitools.app/tool/smartlead-ai.md) |
| 10 | [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) |

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

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