Best AI email assistants in 2026

Email marketing platform with AI tools that help write campaigns, pick send times and segment lists.

Best for: Small businesses that want a familiar, all-round email marketing tool.

Email and SMS marketing for online stores, with AI that builds segments, flows and campaign copy.

Best for: Online shops on platforms such as Shopify that want data-driven email.

AI-first Gmail client that summarises threads, drafts replies and finds anything in your inbox.

Best for: Busy professionals on Gmail who get a lot of email.

Smart email app from Readdle with an AI writer, priority inbox and team features.

Best for: Anyone who wants a tidy, cross-device email app with light AI help.

Email, SMS and WhatsApp marketing platform with an AI assistant for writing campaigns.

Best for: Small businesses that want many channels at a fair price.

Email marketing and automation platform with AI that builds journeys and writes content.

Best for: Businesses that want advanced automated email journeys.

Simple email marketing tool with an AI writing assistant, landing pages and automations.

Best for: Creators and small businesses who want a simple, affordable email tool.

Newsletter platform with growth tools, monetisation and AI help for writing and images.

Best for: Writers and creators building a newsletter business.

Cold email outreach platform with inbox warm-up, a lead database and AI-written sequences.

Best for: Agencies and sales teams running cold email campaigns.

AI email coach that scores and improves sales emails as you write them in your inbox.

Best for: Sales reps who want better reply rates on cold emails.