COSHUMABuyer guides
Email marketing comparison

Sender.net vs EmailOctopus

Current free-plan details checked against official vendor pages on September 14, 2026.

Both products allow up to 2,500 subscribers for free. Sender has the larger monthly email allowance at 15,000, while EmailOctopus provides a simpler email-first path with 10,000 sends and a clear free-to-Pro upgrade model.

Decision pointSender.netEmailOctopus
Free subscribersUp to 2,500Up to 2,500
Free email sends15,000/month10,000/month
Credit cardNot required for FreeNot required for Starter
Notable free extrasAutomation, landing pages, forms/popups, transactional emailCampaigns, automation, one landing page and one form
COSHUMA affiliate statusPartnerStack application not submitted; exact tracking URL unknownTolt application not submitted; exact tracking URL unknown

Sender.net uses an official non-affiliate pricing link because COSHUMA has not verified a Sender customer tracking URL. EmailOctopus stays inside COSHUMA for its evidence-backed current CTA state.