subscriber-tier.audit
ActiveCampaign Cost at 10,000 Contacts
B2B automation cost check at 10,000 leads across ActiveCampaign, HubSpot Marketing Hub, Kit, and Brevo.
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Brevo
Starter / Business (Send-Volume)
$55 /mo
$660/yr bill
Kit (ConvertKit)
Newsletter (Free) & Creator Plan
$119 /mo
$1,428/yr bill
ActiveCampaign
Plus / Pro Marketing Automation
$239 /mo
$2,868/yr bill
HubSpot Marketing
Starter -> Pro Contact Tiers
$890 /mo
$10,680/yr bill
tier_takeaway.note
At 10,000 contacts, ActiveCampaign ($239/mo) saves $7,812/year vs HubSpot Marketing Pro ($890/mo), while Kit ($119/mo) wins if you do not need sales pipelines.
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 |
|---|---|---|---|---|---|---|
| ActiveCampaign | $49/mo | $149/mo | $239/mo | $399/mo | $619/mo | $1059/mo |
| HubSpot Marketing | $20/mo | $225/mo | $890/mo | $1640/mo | $2600/mo | $3600/mo |
| Kit (ConvertKit) +3.5% paid rev cut | $29/mo | $79/mo | $119/mo | $199/mo | $319/mo | $579/mo |
| Brevo | $9/mo | $29/mo | $55/mo | $119/mo | $229/mo | $449/mo |
ActiveCampaign billing details
Best for: B2B SaaS and sales-led funnels needing conditional workflows, lead scoring, and CRM deals
No free forever plan (14-day trial only), yet still saves 60%–75% compared to HubSpot Marketing Professional.
HubSpot Marketing billing details
Best for: Venture-backed B2B teams standardizing sales + marketing + support on one enterprise CRM
Starter looks cheap ($20/mo), but needing multi-branch automation forces a jump to Marketing Hub Pro ($890/mo + $3,000 onboarding!).
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.
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.
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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 $890.00/month on HubSpot Marketing—saving $10020/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.
