Flatstamp vs Brevo
Brevo or Flatstamp: what a year of email costs.
Brevo: Monthly plan priced by how many emails you send, or prepaid email credits. Flatstamp: your list is free, and you pay when you hit send, from $0.80 per 1,000 emails.
A year of sending
Each example emails the whole list four times a month.
| Your list | Brevo | Flatstamp |
|---|---|---|
| 1,000 contacts4,000 emails a month | $108–$348Starter | $40Save $68–$308 |
| 5,000 contacts20,000 emails a month | $108–$348Starter | $190Could go either way |
| 10,000 contacts40,000 emails a month | $348–$660Starter | $340Save $8–$320 |
Side by side
- How you pay
- BrevoMonthly plan by email volume, or prepaid credits.
- FlatstampPrepaid stamps. One stamp sends one email to one person. No monthly plan.
- What your list costs
- BrevoContacts are mostly free, but small plans cap them (500 contacts at 5,000 emails a month).
- FlatstampFree. Store as many contacts as you like.
- Send limit
- BrevoYour plan's monthly email volume.
- FlatstampAs many as you have stamps for.
- Free option
- Brevo300 emails a day; a bigger campaign reaches 300 people a day.
- FlatstampNo free plan. Contacts are free; sending starts at $20.
- Unused credit
- BrevoMonthly allowance resets; prepaid credits never expire.
- FlatstampStamps never expire.
- Smallest purchase
- Brevo$9 a month (Starter, 5,000 emails).
- Flatstamp$20 for 25,000 stamps.
Brevo also sells prepaid credits. Prepaid email credits that never expire: $32 for 5,000, $95 for 20,000, $275 for 100,000, $1,600 for 1,000,000.
The fine print
- The free plan sends 300 emails a day. A campaign to 2,000 people reaches 300 on day one; you re-send it by hand to reach the rest over the next six days.
- The smallest paid plans cap your contacts too: 500 contacts at 5,000 emails a month.
When Brevo is the better pick
- You also want SMS, WhatsApp, live chat or a CRM in the same account.
- You send fewer than 300 emails a day, so the free plan covers you.
Flatstamp is opening soon as an invite-only beta. This page compares prices, not features we haven't shipped yet.
Sources
Prices checked October 21, 2026: list prices on monthly billing, in US dollars, before tax and discounts, for Brevo's cheapest plan that fits. A range means we couldn't confirm every price step. Prices change, so check Brevo's own page before deciding.