Monthly cost at 100,000 contacts
| # | Tool | Plan tracked | Monthly | Free covers? | Note | Visit |
|---|---|---|---|---|---|---|
| 1 |  Brevo | Starter | $0 | Yes | Multi-channel (email/SMS); free plan is send-capped not contact-capped | Visit |
| 2 |  Substack | Revenue-share | $0 | Yes | Writer platform; 10% of paid sub revenue, no monthly ESP fee | Visit |
| 3 |  Systeme.io | Startup | $97 | No | Funnels + email + courses; strong free plan | Visit |
| 4 |  Ghost | cheapest (Starter≤1k else Publisher) | $329 | — | Open-source publishing + newsletters; hosted from $50/mo | Visit |
| 5 |  EmailOctopus | Pro | $345 | No | Budget ESP; free to 2,500 | Visit |
| 6 |  Sender | Standard | $389 | No | Budget ESP with generous free forever plan | Visit |
| 7 |  MailerLite | Comfort | $439 | No | Full-featured email + sites; Comfort is the value paid plan | Visit |
| 8 |  beehiiv | Lite | $469 | No | Newsletter platform with monetization, website, and ad network | Visit |
| 9 |  GetResponse | Starter | $539 | — | Email + funnels + webinars | Visit |
| 10 |  AWeber | Lite | $600 | No | Long-running small-business ESP | Visit |
| 11 |  Moosend | Pro | $624 | — | Budget automation ESP; trial not free forever | Visit |
| 12 |  Kit | Creator | $679 | No | Creator email OS (formerly ConvertKit) — generous free broadcasts | Visit |
| 13 |  Flodesk | Lite | $689 | No | Design-first email; flat-ish pricing that now scales with list | Visit |
| 14 |  Mailchimp | Essentials | $800 | No | Well-known ESP; free plan now very limited | Visit |
| 15 |  Omnisend | Standard | $900 | No | Ecommerce email + SMS | Visit |
| 16 |  Drip | $1249 | — | Ecommerce CRM email | Visit | |
| 17 |  Klaviyo | $1380 | No | Ecommerce CRM email/SMS; expensive per profile at scale | Visit | |
| 18 |  ActiveCampaign | Starter | Contact sales | — | Deep marketing automation + CRM; no free plan | Visit |
| 19 |  Constant Contact | Lite | Contact sales | — | SMB email + marketing toolkit | Visit |
| 20 |  HubSpot | Marketing Hub Starter | Contact sales | No | CRM suite; Marketing Hub email is seat + contact pack priced | Visit |
How to read this table
Prices are monthly list prices on the plan named in each tool’s ListCost page (for example Mailchimp Essentials, Klaviyo Email, Kit Creator). Annual-equivalent discounts are on individual tool pages. Volume-billed or seat-pack tools may show honest blanks — we refuse to guess.
Want a single tool’s full ladder? Brevo · Substack · Systeme.io · Ghost · EmailOctopus
FAQ — email cost at 100,000
What is the cheapest email marketing tool for 100,000 subscribers?
Among tools with a verified public price at 100,000 contacts, Brevo is $0 (free plan covers this size) on the Starter plan we track. Unknown and contact-sales cells are excluded from “cheapest.” Confirm live on the vendor page.
Which email tools are free at 100,000 subscribers?
Verified free coverage at 100,000: Brevo, Substack. Free does not always mean unlimited automations or branding removal — read each free-plan note.
How often does ListCost re-check prices?
Each tool page cites last_checked dates from vendor pricing pages. Site-wide desk update: 29 Oct 2026. See /methodology for how blanks and volume-billed tools are handled.