
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Robly Email Marketing records 740,230 monthly visits with +29.7% growth and Free Trial, Paid pricing.

Email marketing with AI send-time optimization to lift opens
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | grammarly.com | robly.com |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 58.87M (58,867,412) | 740.23K (740,230) |
| MoM Traffic Delta |
|---|
| -916.08K (-1.5%) |
| +169.64K (+29.7%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇺🇸 United States (97.2%) |
|---|
| Direct Visits / mo | 25.4M | 254.87K |
|---|
| User Rating | 4.4 | 4.2 |
|---|
| Supported Platforms | Website | Website |
|---|

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

Email marketing with AI send-time optimization to lift opens
Automatically resends an email to subscribers who did not open the first version, giving each campaign a second chance to land in the inbox.
Analyzes subscriber behavior to deliver each campaign at the moment an individual contact is most likely to open it.
Exit-intent popups, timed widgets, embedded forms, Facebook sign-up tabs and landing pages designed to convert visitors into subscribers.
Multi-step email journeys and drip campaigns triggered by subscriber behavior, so follow-ups go out at the right moment without manual work.

SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.

Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Industry-standard email marketing platform with robust automation and audience segmentation, but higher pricing tiers.

Powerful e-commerce marketing platform focused on advanced customer segmentation, automated flows, and predictive analytics.
All-in-one customer engagement platform combining email, SMS, and CRM with a generous free tier.

Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.

User-friendly email marketing tool featuring an intuitive AI drag-and-drop editor for newsletters and landing pages.


Comprehensive marketing suite offering AI email generation, landing pages, and advanced automation workflows.

Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.

Advanced marketing automation and CRM platform featuring robust AI-assisted campaign creation and behavior tracking.
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Industry-standard email marketing platform with robust automation and audience segmentation, but higher pricing tiers.
Powerful e-commerce marketing platform focused on advanced customer segmentation, automated flows, and predictive analytics.
All-in-one customer engagement platform combining email, SMS, and CRM with a generous free tier.
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
User-friendly email marketing tool featuring an intuitive AI drag-and-drop editor for newsletters and landing pages.
Comprehensive marketing suite offering AI email generation, landing pages, and advanced automation workflows.
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
Advanced marketing automation and CRM platform featuring robust AI-assisted campaign creation and behavior tracking.