Email marketing platform
Interspire is the email platform that never charges you for the size of your list. Build campaigns, automate journeys, and let AI do the heavy lifting — with your subscriber data hosted in the UK and EU.
Why Interspire
Your list can grow to any size without your bill changing. No per-contact tiers, ever.
You’re charged for the emails you actually send each month — and nothing else.
Subject lines, copy, and send-time help are built in — even on the free plan.
Subscriber data stays on UK/EU infrastructure and is handled the GDPR way.
One place to build, automate, and measure — with AI help on every plan.
Compose on a clean drag-and-drop canvas, reuse saved blocks, and preview every inbox before you hit send.
Draft subject lines, rewrite a paragraph, or generate a first draft from a one-line brief.
Welcome series, re-engagement, and behaviour-based journeys built from a visual flow.
Authenticated sending (SPF, DKIM, DMARC) and a reputation dashboard so you land in the inbox.
Grow unlimited lists with hosted signup forms and target the right people with flexible segments.
Opens, clicks, and send-time insight in plain language — with exports your team can use.
How it works
Import your contacts or drop in a hosted signup form. Your list is unlimited from day one.
Write in the editor and let the assistant suggest subject lines and tighten your copy.
Schedule a send or set an automation, then track opens, clicks, and deliverability.
Pricing
Pick a plan by how much you send, not how many people you reach. Start any paid plan with a 14-day free trial.
5,000 emails / month
25,000 emails / month
100,000 emails / month
500,000 emails / month
All plans include unlimited subscribers, the AI assistant, and UK/EU data residency.
Get started
Create your account in under a minute. Every paid plan starts with a 14-day free trial — no card, no commitment.
Not ready to sign up? Get our weekly email on inbox placement, ESP changes, and what we’re testing — one short note each Tuesday.