saascosthub
methodology.doc
subscriber-tier.audit

Email Marketing Cost for 100,000 Subscribers

Six-figure audience benchmark: compare annual ESP contracts before signing an enterprise renewal.

[+] email-marketing-cost-100000-subscribers.window [*]
beehiiv logo

beehiiv

Lowest

Launch (Free) & Scale Plan

$299 /mo

$3,588/yr bill

Base tier$299/mo
Paid cut (0%)$0/mo

Brevo

Starter / Business (Send-Volume)

$449 /mo

$5,388/yr bill

Base tier$449/mo
Paid cut (0%)$0/mo

Kit (ConvertKit)

Newsletter (Free) & Creator Plan

$579 /mo

$6,948/yr bill

Base tier$579/mo
Paid cut (3.5%)$0/mo

Mailchimp

Standard Plan

$800 /mo

$9,600/yr bill

Base tier$800/mo
Paid cut (0%)$0/mo

tier_takeaway.note

At 100,000 subscribers, beehiiv ($299/mo) saves $6,012/year over Mailchimp ($800/mo) and $12,012/year over Klaviyo ($1,300/mo).

Subscriber tier price curve (1,000 to 100,000 contacts)

Monthly base subscription rates as your email list grows—check steep bracket jumps before migrating.

[+] subscriber-brackets.table [*]
Platform 1,000 5,000 10,000 25,000 50,000 100,000
beehiiv logo
beehiiv
$0/mo $49/mo $79/mo $119/mo $199/mo $299/mo
Brevo
$9/mo $29/mo $55/mo $119/mo $229/mo $449/mo
Kit (ConvertKit) +3.5% paid rev cut
$29/mo $79/mo $119/mo $199/mo $319/mo $579/mo
Mailchimp
$45/mo $100/mo $135/mo $270/mo $410/mo $800/mo
beehiiv logo

beehiiv billing details

Best for: Media brands and paid newsletters scaling via ad network, boosts, and 0% subscription cuts

0% cut on paid memberships (only standard Stripe fees apply), making it thousands cheaper than Substack once paid subs grow.

Brevo billing details

Best for: Businesses with large contact lists that send 1–4 newsletters per month

Free tier allows unlimited contacts but caps sending at 300 emails/day; paid tiers charge strictly by monthly email volume.

Kit (ConvertKit) billing details

Best for: Course creators, authors, and coaches needing multi-sequence automations and digital product sales

Newsletter plan is $0 up to 10,000 subscribers (limited to 1 basic sequence); multi-step automations require the Creator plan above.

Mailchimp billing details

Best for: Legacy marketing teams already integrated with Mailchimp templates

Mailchimp bills you for unsubscribed and non-subscribed contacts stored in your audience unless you manually archive them.

Common questions

What is the cheapest email platform here at 100,000 subscribers?

At 100,000 contacts, beehiiv costs $299.00/month compared to $800.00/month on Mailchimp—saving $6012/year.

Why do some email tools bill for unsubscribed contacts?

Audience-based tools like Mailchimp and Klaviyo count active or unarchived profiles toward your tier bracket, whereas send-volume tools like Brevo store contacts free and bill only for monthly emails sent.

When does Substack 10% become more expensive than beehiiv or Ghost?

Once gross paid subscription revenue crosses ~$490/month (49 subscribers paying $10/mo), Substack's 10% platform fee exceeds a flat $49/month beehiiv Scale subscription—and the gap widens with every new paid reader.