# Superhuman: what it does, who it is for and alternatives > Superhuman: A fast email app with AI that writes replies in your voice, splits your inbox and reminds you to follow up. Built for people who live in email. Source: https://learn.ynteractive.com/content/ai-tools/tool/superhuman · Updated 2026-10-20 · Free from Stepthrough (https://learn.ynteractive.com) Updated October 20, 2026 · By [Robert Breen](https://learn.ynteractive.com/content/about) A fast email app with AI that writes replies in your voice, splits your inbox and reminds you to follow up. Built for people who live in email. [Email & inbox](https://learn.ynteractive.com/content/ai-tools/email-inbox) · Free trial Official site: [superhuman.com](https://superhuman.com) ## What Superhuman does Superhuman Mail is built for teams on Gmail or Outlook. Split Inbox separates mail from teammates, VIPs and tools like Google Docs or Notion, and when you send an email you can pick a time to be reminded if nobody replies. Superhuman is now a wider suite that also includes Go, an AI assistant, plus Calendar, Docs and Grammarly writing feedback. ## Who Superhuman is for - Executives - Sales reps - Founders - Account managers ## Key features - Split Inbox for teammates, VIPs and tool notifications - AI-written drafts using context from your inbox and calendar - Follow-up reminders when a reply does not arrive - Read statuses showing when and on what device mail was opened - Shareable availability links for booking meetings ## Learn Superhuman free on Stepthrough - Comparison: [The best AI email assistants for a busy work inbox in 2026](https://learn.ynteractive.com/content/compare/best-ai-email-assistants) ## Alternatives to Superhuman Other AI email tools in the directory. For a fuller comparison, see [Superhuman alternatives](https://learn.ynteractive.com/content/ai-tools/alternatives/superhuman). - [**Shortwave**](https://learn.ynteractive.com/content/ai-tools/tool/shortwave) Free plan *Best for:* An AI-first Gmail client that searches and drafts from your email history. An AI-first Gmail client that searches, summarizes and drafts replies from your whole email history. Ask questions about your inbox in plain English. - [**Gmail with Gemini**](https://learn.ynteractive.com/content/ai-tools/tool/gmail-with-gemini) Free plan *Best for:* Thread summaries and drafted replies inside Gmail. Gemini in Gmail summarizes long threads, drafts replies and finds details in your inbox. Pair it with filters and labels to triage mail automatically. - [**SaneBox**](https://learn.ynteractive.com/content/ai-tools/tool/sanebox) Free trial *Best for:* Filtering unimportant email out of almost any inbox. Filters unimportant email out of your inbox so only what matters stays. Works with almost any email provider. - [**Spark Mail**](https://learn.ynteractive.com/content/ai-tools/email-inbox#tool-spark-mail) Free plan *Best for:* A smart inbox with AI writing help and shared inboxes for small teams. An email app with a smart inbox and AI writing help for replies and summaries. Shared inboxes for small teams. - [**Fyxer AI**](https://learn.ynteractive.com/content/ai-tools/email-inbox#tool-fyxer-ai) Free trial *Best for:* Sorting your inbox and drafting replies in your tone for Gmail and Outlook. An AI assistant inside Gmail and Outlook that sorts email into categories such as To respond and FYI, drafts replies in your writing style for you to review and send, and takes meeting notes. - [**Boomerang**](https://learn.ynteractive.com/content/ai-tools/email-inbox#tool-boomerang) Free plan *Best for:* Scheduled emails and reminders in Gmail. Schedule emails and get reminders in Gmail, plus Respondable, an AI assistant that coaches your tone so emails get more replies. Free basic plan. [All 26 AI email tools](https://learn.ynteractive.com/content/ai-tools/email-inbox) ## Frequently asked questions **What is Superhuman?** A fast email app with AI that writes replies in your voice, splits your inbox and reminds you to follow up. Built for people who live in email. Superhuman Mail is built for teams on Gmail or Outlook. Split Inbox separates mail from teammates, VIPs and tools like Google Docs or Notion, and when you send an email you can pick a time to be reminded if nobody replies. Superhuman is now a wider suite that also includes Go, an AI assistant, plus Calendar, Docs and Grammarly writing feedback. **Who is Superhuman for?** Superhuman fits executives, sales reps, founders and account managers, and other office teams with the same job to do. **Is Superhuman free?** Superhuman has a free trial, then it is a paid tool. Plans change often, so check the official pricing page before you commit. **What are some alternatives to Superhuman?** Other AI email tools include Shortwave, Gmail with Gemini, SaneBox, Spark Mail and Fyxer AI. ## “Listed on Stepthrough” badge Add this badge to the Superhuman website, press page or docs. It links to this page, so your visitors can see the listing. Copy the HTML ```text Listed on Stepthrough ``` Checked against Superhuman’s official site on October 20, 2026: [source 1](https://superhuman.com), [source 2](https://superhuman.com/mail). Spotted something out of date? Email [rbreen@ynteractive.com](mailto:rbreen@ynteractive.com). Listings are free; [submit your AI tool](https://learn.ynteractive.com/content/ai-tools/submit). [The full AI tools directory](https://learn.ynteractive.com/content/ai-tools) · [Email & inbox](https://learn.ynteractive.com/content/ai-tools/email-inbox) · [Tool comparisons](https://learn.ynteractive.com/content/compare)