Kajabi vs Mermaid

Two Tech stack tools side by side: what each does, what it costs and who it suits.

The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, Mermaid comes out ahead. Here is why, point by point.

What the data says

Only Mermaid has a free plan to start on.
Mermaid starts lower, at $10/mo against $143/mo.
In our Tech stack ranking, Mermaid places 15 and Kajabi 7 of 72.

Side by side

Kajabi and Mermaid compared
At a glance	Kajabi	Mermaid
Starts at	$143/mo	$10/mo
Free plan	No	Yes
API	Yes	No
MCP server	Yes	Yes
Links	Visit	Visit

Plans and pricing

Kajabi

Basic$143 per month billed yearly.$179/mo
Growth$199 per month billed yearly.$249/mo
Pro$399 per month billed yearly; includes the Public API.$499/mo

Mermaid

BasicFree plan with up to 3 diagrams, limited diagram size and limited AI.Free
PlusUnlimited diagrams and 300 AI credits a year; 10 per user per month billed annually.$120/yr/seat
Premium2,000 AI credits a year, free viewer seats and unlimited teams; 20 per user per month billed annually.$240/yr/seat

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose Kajabi if…

Creators, coaches, educators and experts who want to sell courses, coaching, memberships, newsletters and digital products from one platform instead of joining a course tool, an email tool and a payment processor.

Visit Read the review

Choose Mermaid if…

Developers, technical writers and operations teams who keep diagrams as text next to their code and docs, so they stay versioned and never turn into stale screenshots.

Visit Read the review

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