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.
Klaviyo records 6,674,207 monthly visits with +6.1% month-over-month growth and Paid pricing. WriteVoice records 13,362 monthly visits with -17.7% growth and freemium pricing.

AI dictation that turns messy speech into polished, ready-to-send text
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | klaviyo.com | writevoice.io |
| Pricing Model | Paid | freemium |
| Monthly Visits | 6.67M (6,674,207) | 13.36K (13,362) |
| MoM Traffic Delta | +384.25K (+6.1%) | -2.88K (-17.7%) |
| Primary Market & Share | 🇺🇸 United States (38.7%) | 🇺🇸 United States (48.2%) |
| Direct Visits / mo | 4.43M | 5.35K |
| User Rating | 4.6 | 4.2 |
| Supported Platforms | Website | Website |

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.

AI dictation that turns messy speech into polished, ready-to-send text
Installs as a custom keyboard on iOS and works in WhatsApp, Slack, iMessage, Notes, Notion and anywhere else you can type; matching Mac and web apps keep everything in sync.
Removes filler words, fixes grammar and structures rambling speech into readable paragraphs, bullets, to-do lists and action plans.
Adjusts the register of your text based on the app you are in, shifting between professional LinkedIn style, casual chat and formal business email.
Shorten, expand, fix grammar, emojify or otherwise remix a draft instantly without retyping it.
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.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
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.

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.
Just speak. Write faster, in any app.

Voice dictation that writes like you talk, in any app
Voice dictation that writes like you talk, in any app

Voice typing that works in every app and website
Voice typing that works in every app and website

Speak naturally, get polished text anywhere you write
Speak naturally, get polished text anywhere you write