subscriber-tier.audit
Klaviyo Monthly Cost at 10,000 Active Profiles
E-commerce ESP benchmark for 10,000 customer profiles across Klaviyo, Brevo, Mailchimp, and ActiveCampaign.
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Brevo
Starter / Business (Send-Volume)
$55 /mo
$660/yr bill
MailerLite
Growing Business Plan
$73 /mo
$876/yr bill
Mailchimp
Standard Plan
$135 /mo
$1,620/yr bill
Klaviyo
Email Plan (Active Profiles)
$150 /mo
$1,800/yr bill
tier_takeaway.note
Klaviyo costs $150/mo at 10k active profiles ($1,800/yr) vs $55/mo on Brevo—worth keeping only if automated Shopify flows return >5x the $95/mo gap.
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.
| Platform | 1,000 | 5,000 | 10,000 | 25,000 | 50,000 | 100,000 |
|---|---|---|---|---|---|---|
Klaviyo | $30/mo | $100/mo | $150/mo | $400/mo | $720/mo | $1300/mo |
| Brevo | $9/mo | $29/mo | $55/mo | $119/mo | $229/mo | $449/mo |
| Mailchimp | $45/mo | $100/mo | $135/mo | $270/mo | $410/mo | $800/mo |
MailerLite | $0/mo | $39/mo | $73/mo | $159/mo | $289/mo | $550/mo |
Klaviyo billing details
Best for: Shopify DTC brands driving high ROI from abandoned cart and browse-abandonment flows
Klaviyo charges for every active profile unless you manually suppress dormant non-openers.
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.
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.
MailerLite billing details
Best for: Small businesses and bloggers wanting clean automations at roughly half of Mailchimp rates
Free 1,000-subscriber tier caps monthly sends at 12,000 emails; Growing Business unlocks unlimited monthly emails.
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Common questions
What is the cheapest email platform here at 10,000 subscribers?
At 10,000 contacts, Brevo costs $55.00/month compared to $150.00/month on Klaviyo—saving $1140/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.

