The Real Cost of Email Marketing Software
The subscription is only part of what email marketing tools cost your team. See the full TCO: labor, add-ons, and hidden fees included.
The hidden costs of email marketing
Email marketing tools price by contacts, not value delivered. As your list grows, costs scale — whether those contacts are active subscribers, unsubscribed ghosts, or duplicates. The subscription line item rarely reflects what you actually spend.
The hidden costs include: contact-tier billing that charges for inactive subscribers, automation features gated behind higher plans, overage fees when you exceed send limits, and serial price increases as vendors chase growth targets.
The competitive landscape has shifted because newer tools price by sends (not contacts) or offer flat-rate plans with no feature gating. Understanding what your current tool actually costs is the first step.
Benchmarks worth knowing
AI-personalized emails see 41% revenue increase and 13.44% higher CTR (industry data)
Automated email flows generate 320% more revenue than non-automated sends (Omnisend)
Mailchimp pricing has increased 20-30% since the 2021 Intuit acquisition, with another 11-13% hike in April 2026
Brevo offers unlimited contacts for free; Mailchimp's free tier dropped from 2,000 to 250 contacts
Cost breakdowns by vendor
ActiveCampaign
Priced by list size
ActiveCampaign's real cost goes far beyond the sticker price. Contact-tier jumps, add-on fees, and stealth price hikes can double your bill. See the math.
Brevo
$16/seat/month
Brevo's free tier caps at 300 emails/day with forced branding. Add SMS credits, branding removal fees, and Marketing Premium — here's the full TCO breakdown.
Constant Contact
$10/seat/month
Constant Contact's $12/mo Lite plan caps sends at 10x contacts and blocks all automations. At 10,000 contacts, Lite jumps to $120/mo — see the full TCO.
ConvertKit
$33/seat/month
Kit (ConvertKit) free plan blocks automations entirely. After a 35% price hike in September 2025, Creator starts at $39/mo. At 25K subscribers, costs rival enterprise tools. See the real TCO.
Drip
$39/seat/month
Drip bills the peak subscriber count during each period — $154/month at 10k contacts, $699/month at 50k. See the real cost and lower-cost AI-first alternatives.
GetResponse
$16/seat/month
GetResponse's Marketer plan — needed for A/B testing and automation — climbs from $48/mo to $168/mo as lists grow. Annual plans offer no refunds. Here's what it really costs.
HubSpot Marketing
$45/seat/month
HubSpot Marketing Hub Professional starts at $890/mo plus a mandatory $3,000 onboarding fee. Contact tier jumps, add-ons, and annual lock-in push real costs far higher.
Klaviyo
Priced by list size
Klaviyo starts at $20/mo but real costs average $1,500/mo. SMS emoji fees, auto-upgrades, and a forced 20% surcharge at scale add up fast.
Mailchimp
Priced by list size
Mailchimp starts at $13/mo but most teams pay 5-10x that. Ghost contacts, overage fees, and serial price hikes since the Intuit acquisition add up fast.
Marketo
Priced by list size
Marketo's real cost isn't $1,295/mo. With database overages, $50K implementations, and dedicated admins, expect $100K+/yr. See the full TCO breakdown.
Find out what your Email Marketing stack really costs
Under 10 minutes. Your spend data never leaves your browser.