SpecialistAutonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
SpecialistAutonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
Ghostwrite records 0 monthly visits with — month-over-month growth and Paid pricing. Klaviyo records 6,674,207 monthly visits with +6.1% growth and Paid pricing.

An AI email assistant that writes replies and full messages inside Gmail, Outlook and Zendesk
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chrome.google.com | klaviyo.com |
| Pricing Model | Paid | Paid |
| Monthly Visits | 0 (0) | 6.67M (6,674,207) |
| MoM Traffic Delta | 0 (—) | +384.25K (+6.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (38.7%) |
| Direct Visits / mo | 0 | 4.43M |
| User Rating | 4 | 4.6 |
| Supported Platforms | Browser Extension | Website |

An AI email assistant that writes replies and full messages inside Gmail, Outlook and Zendesk
Turn a short phrase or bulleted list into a complete, professional email, including cold outreach, applications and follow-ups.
Ghostwrite reads the incoming message and drafts a contextually appropriate full reply in a single click.
Switch between formal, friendly, concise and persuasive registers so the same content fits different recipients and situations.
Text is corrected for spelling, grammar and clarity as it is generated, so nothing goes out with obvious mistakes.

The AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Every contact, event, and channel feeds one profile so segmentation, personalization, and reporting stay consistent.
An agent that plans calendars, drafts campaigns, audits flows, and recommends next actions using your business context.
Build campaigns and automated flows across email, SMS, RCS, WhatsApp, push, and social from one interface.
Forecast lifetime value, churn risk, and expected next purchase date to target the right customers at the right time.
SpecialistAutonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
SpecialistAutonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
Broader general-purpose email marketing features, but less specialized ecommerce data segmentation compared to Klaviyo.
Broader general-purpose email marketing features, but less specialized ecommerce data segmentation compared to Klaviyo.
Offers more integrated multi-channel tools like WhatsApp and live chat, but less advanced ecommerce predictive analytics.
Offers more integrated multi-channel tools like WhatsApp and live chat, but less advanced ecommerce predictive analytics.

The AI productivity suite with agents, email, and docs that work wherever you do
The AI productivity suite with agents, email, and docs that work wherever you do

Simpler and more affordable for basic newsletter design, but lacks advanced predictive segmentation and revenue analytics.
Simpler and more affordable for basic newsletter design, but lacks advanced predictive segmentation and revenue analytics.

Includes built-in landing page builders and webinars, but lacks Klaviyo's deep online store revenue attribution tracking.
Includes built-in landing page builders and webinars, but lacks Klaviyo's deep online store revenue attribution tracking.

SpecialistEmail marketing with AI send-time optimization to lift opens
SpecialistEmail marketing with AI send-time optimization to lift opens

Provides exceptionally powerful CRM automation workflows, but has a steeper learning curve for simple email campaigns.
Provides exceptionally powerful CRM automation workflows, but has a steeper learning curve for simple email campaigns.

Turn a few key points into polished, on-tone emails
Turn a few key points into polished, on-tone emails
Better native integration with WhatsApp and messaging channels for Shopify, but a smaller ecosystem of pre-built integrations.
Better native integration with WhatsApp and messaging channels for Shopify, but a smaller ecosystem of pre-built integrations.

An AI email assistant that drafts, summarizes, and perfects your messages in place
An AI email assistant that drafts, summarizes, and perfects your messages in place

Stronger visual customer journey builder and data unification, but fewer out-of-the-box ecommerce templates than Klaviyo.
Stronger visual customer journey builder and data unification, but fewer out-of-the-box ecommerce templates than Klaviyo.