Comparisons
Flatstamp, side by side.
One page per service, with real prices, our sources, and the cases where they're the better pick. Prices checked October 21, 2026.
- Flatstamp vs MailchimpMonthly plan priced by how many contacts you store, with a send limit tied to that number.
- Flatstamp vs MailerLiteMonthly plan priced by subscriber count. The Comfort plan caps sends; Power doesn't.
- Flatstamp vs BrevoMonthly plan priced by how many emails you send, or prepaid email credits.
- Flatstamp vs EmailOctopusMonthly plan priced by subscriber count, with a monthly email allowance per tier.
- Flatstamp vs KitMonthly plan priced by subscriber count, with unlimited sends. Formerly ConvertKit.
- Flatstamp vs Constant ContactMonthly plan priced by contact count. No free plan.