
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Koolay records 358 monthly visits with -75% month-over-month growth and Freemium pricing. Mailchimp records 10,071,636 monthly visits with +1.1% growth and Freemium pricing.

The operating system nonprofits run on — donors, grants, events and e-sign in one place
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | koolay.com | mailchi.mp |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 358 (358) | 10.07M (10,071,636) |
| MoM Traffic Delta | -1.08K (-75%) |
| +105.62K (+1.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (54%) |
|---|
| Direct Visits / mo | 142 | 5.77M |
|---|
| User Rating | 4 | 4.4 |
|---|
| Supported Platforms | Website | Website |
|---|

The operating system nonprofits run on — donors, grants, events and e-sign in one place
EIN-matched grant search across 30K+ live opportunities, 1.9M nonprofits and 184K funders, with 990-PF funder dossiers and Why-GO scoring.
An AI grant writer grounded in your mission, budgets and past applications, plus a Kanban pipeline with deadline alerts and version history.
Donor CRM with lifetime value, segments, recurring giving and automatic receipts living beside donation pages and events.
A website/CMS, events, email, finance and e-signature tools running on one modern data model instead of a stitched stack.
AI-assisted email and SMS marketing that turns audiences into customers
Drag-and-drop templates, reusable layouts, and guided steps to design and send newsletters or promotional emails without a designer.
Build automated journeys triggered by signups, purchases, birthdays, or inactivity, including welcome and abandoned-cart series.
Generate draft copy and subject lines, and use data-driven send-time suggestions to improve engagement.
Tag, segment, and filter contacts, and track engagement history in a searchable audience database.

Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
#2
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.


The pro website builder with a design agent on a fully editable canvas

Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.

SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.


Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.

AI website builder that designs, hosts, and runs your whole site

SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
AI website builder that turns a chat prompt into a launched business site

AI tools to fund, launch and grow your small business

Agentic AI website builder you can host, sync or export
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.
The pro website builder with a design agent on a fully editable canvas
Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.
SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.
Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.
AI website builder that designs, hosts, and runs your whole site
SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
AI website builder that turns a chat prompt into a launched business site
AI tools to fund, launch and grow your small business
Agentic AI website builder you can host, sync or export