Flatstamp vs EmailOctopus
EmailOctopus or Flatstamp: what a year of email costs.
EmailOctopus: Monthly plan priced by subscriber count, with a monthly email allowance per tier. 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 | EmailOctopus | Flatstamp |
|---|---|---|
| 1,000 contacts4,000 emails a month | $0Free | $40$40 more |
| 5,000 contacts20,000 emails a month | $240–$378Pro | $190Save $50–$188 |
| 10,000 contacts40,000 emails a month | $378–$534Pro | $340Save $38–$194 |
Side by side
- How you pay
- EmailOctopusMonthly plan by subscriber count.
- FlatstampPrepaid stamps. One stamp sends one email to one person. No monthly plan.
- What your list costs
- EmailOctopusPriced by subscribers.
- FlatstampFree. Store as many contacts as you like.
- Send limit
- EmailOctopusAbout 10 times your subscriber tier a month.
- FlatstampAs many as you have stamps for.
- Free option
- EmailOctopus2,500 subscribers, 10,000 emails a month.
- FlatstampNo free plan. Contacts are free; sending starts at $20.
- Unused credit
- EmailOctopusMonthly allowance resets each month.
- FlatstampStamps never expire.
- Smallest purchase
- EmailOctopus$10 a month (Pro, 500 subscribers).
- Flatstamp$20 for 25,000 stamps.
The fine print
- The free plan caps sends at 10,000 a month (five emails to a 2,000-person list), carries EmailOctopus branding and keeps reports for 30 days.
- Pro gives about 10 times your subscriber tier in emails each month; send more and you move up a tier.
When EmailOctopus is the better pick
- Your list is under 2,500 people and you send under 10,000 emails a month: the free plan covers you if you don't mind their branding.
- You want a low fixed monthly bill and send close to your full allowance every month.
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 EmailOctopus's cheapest plan that fits. A range means we couldn't confirm every price step. Prices change, so check EmailOctopus's own page before deciding.