Fyxer vs Superhuman: Add AI to Your Inbox, or Switch to a Faster One?

Superhuman Mail Starter, per member per month, billed annually

$25

Fyxer Pro, per person per month, billed annually ($49 monthly)

$37

email providers each one supports: Gmail and Outlook

2

Superhuman Command, the shortcut behind its speed

Cmd+K

recent emails Fyxer reads to learn your tone

~300

for a 14-day Usenti trial, then $45 per month

$1

The real question: switch clients, or bolt AI on?

Most "Fyxer vs Superhuman" searches hide one decision. Do you want a new place to do email, or do you want your current inbox to start working for you? These two products are the clearest example of each answer.

Superhuman Mail is the switch path. You sign in with your Gmail or Outlook account, then read and reply inside Superhuman's own app. Everything is built for speed: shortcuts for every action, a command bar, and AI that sorts and drafts inside that app. You trade your familiar app for a faster one.

Fyxer is the bolt-on path. You connect Gmail or Outlook, and Fyxer works in the background. Labels appear in your normal inbox, drafted replies land in your normal drafts folder, and a notetaker joins your calls. Your routine stays the same.

Neither path is better in general. It depends on whether the interface or the busywork costs you more time.

What Fyxer is today

Fyxer describes itself as an assistant that "sits across your email, chat, calendar and meetings." Its core is still the inbox: it sorts new mail into categories and writes draft replies whenever a message holds a question, a request, a deadline, or a scheduling need. It never sends a draft by itself.

Around that core sit a daily briefing, a meeting notetaker, and shared "spaces" for client work. It supports Gmail and Outlook only. Its homepage says over 25,000 companies use it and shows SOC, ISO 27001, HIPAA, and GDPR badges.

What Superhuman is now (after Grammarly)

The company behind the email app has changed. Grammarly acquired Superhuman in July 2025, without disclosing terms, and CEO Rahul Vohra moved over with the team. In October 2025, Grammarly's company renamed itself Superhuman. The email client is now called Superhuman Mail, and it sits in one suite with Grammarly, Coda, and a newer AI assistant called Superhuman Go.

The product itself is familiar. Superhuman Mail is "built for teams that use Gmail or Outlook," with Split Inbox, Auto Labels, AI writing, a built-in calendar, and apps for Mac, iPhone and iPad, and Android.

Fyxer vs Superhuman, at a glance

Both cover the basics of AI email. The differences are where you work, how fast the interface is, and what else comes in the box. Usenti appears as a third option, covered below.

✓ = built in  ·  ~ = partial or handled differently  ·  – = not offered or not publicly described. Fyxer and Superhuman rows reflect each vendor's own pricing pages and help docs, checked October 2026 and listed under Sources. Usenti's column reflects its own published product pages. Confirm current details on each maker's site before buying.

Speed for power users: which is faster?

If "faster" means how quickly you can personally move through a full inbox, Superhuman Mail wins, and it is not close. Nearly every action has a shortcut, and Superhuman Command (Cmd+K on Mac, Ctrl+K on Windows) shows each shortcut as you type, so you learn the keys over time. Superhuman says users "fly through" email "twice as fast" and "save 4 hours every week." Those are vendor claims, but the direction is real for keyboard-heavy users.

Fyxer does not compete on interface speed, because you still work in Gmail or Outlook. Its savings come before you arrive: mail already sorted and a draft sitting in the thread. One independent review calls it most useful for high-email, high-meeting roles.

AI drafting: whose drafts sound more like you?

Both tools learn your voice from your sent mail. Fyxer analyzes about 300 recent emails at signup. Superhuman Mail analyzes a sample of recent emails when you first turn on its AI, and lets you tune the result under Settings, then Personalization.

The bigger difference is when and where drafts appear. Fyxer writes drafts automatically and saves them to your normal drafts folder, so a reply is waiting when you open the thread. Superhuman gives you on-demand tools such as Write with AI and Instant Reply. Its automatic version, Auto Drafts, prepares replies and follow-ups "written in your voice and tailored to each thread," but only on the Business and Enterprise plans.

So on the entry plans, the comparison is automatic drafts with Fyxer Pro against on-demand AI writing with Superhuman Starter. At the Business tier, both draft in the background.

Triage: how each one sorts your inbox

Fyxer sorts mail into a short list of categories, led by "To respond" (or "To do"), then FYI, Notification, and Marketing. In Gmail these become labels, and you choose whether each category stays in the inbox or gets archived under its label. In Outlook they become folders, so a message lives in one place only. Inbox sorting is a paid feature: the free plan does not include it.

Superhuman Mail triages inside its own app. Split Inbox breaks your mail into separate streams, Auto Labels tag incoming messages, and Auto Archive, Snooze, and Remind Me clear the rest. Auto Reminders nudge you about emails that never got a reply. Custom Auto Labels, which you define yourself, are listed as a Business feature.

The trade-off mirrors the core decision: Fyxer's sorting shows up where you already read mail, while Superhuman's richer sorting lives inside Superhuman.

Meetings and calendar

This is where the two diverge most. Fyxer includes a meeting notetaker on every plan. It joins Zoom, Microsoft Teams, and Google Meet calls and returns a structured summary, action items, and follow-up drafts. The free plan records audio only; paid plans add video. A desktop notetaker app also captures Slack huddles as audio.

Superhuman Mail is calendar-first rather than notes-first. It has a built-in calendar, Share Availability and Find Time for booking meetings, and Zoom, Google Meet, and Teams integrations for adding call links. A meeting notetaker is not listed on its Mail plans, so you would add a separate one.

Pricing as of October 2026

Two details change the math. Fyxer now meters usage in credits: Pro includes 3,000 per member a month, and sorting costs 0.2 credits per email, though paid plans get unlimited credits for their first three months as a launch offer. And Superhuman's Business plan is the one AI-focused buyers will want, since it includes Auto Drafts, Ask AI, and Custom Auto Labels. Superhuman's suite Business plan, at the same $33 billed annually, also bundles Grammarly, Docs, and Go.

Team use

Superhuman Mail treats the email thread as a shared object, with shared conversations, team comments that colleagues can add even if they don't use Superhuman, shared drafts, shared snippets, and indicators that show when a teammate is already replying. Business adds read-only HubSpot, Salesforce, and Pipedrive integrations, and Enterprise adds SSO and team analytics.

Fyxer's Team plan is organized around clients rather than threads, with unlimited shared spaces, clear owners for every follow-up, shared company context, and team reporting. A seat covers one person no matter how many inboxes or calendars they connect, and viewer seats are free on paid plans. Enterprise adds SSO, audit logs, and data residency in the EU, UK, or US.

Who should pick which

Choose Superhuman Mail if…

You handle a heavy inbox, you like keyboard shortcuts, and you are happy to leave the Gmail or Outlook interface behind. It is also a good match for teams who discuss emails together in the thread; budget for Business if you want drafts written automatically.

Choose Fyxer if…

You want zero change to how you work: you like Gmail or Outlook, you sit in many meetings, and you mostly want replies pre-written and calls summarized. It also fits client-facing teams that want shared spaces, and anyone who wants a limited free plan first.

Where Usenti fits

Usenti takes a third route between the two. Like Fyxer, it works with the accounts you already have: there's no new email address and no migration. Like Superhuman, it gives you one place to work: a unified inbox for every connected account. AI sorts each message into one of ten categories as it arrives, and those labels mirror back into Gmail and Outlook.

Where it differs from both is scope and reach. It connects Gmail, Outlook / Microsoft 365, Zoho Mail, AWS WorkMail, and any IMAP or SMTP inbox, plus Slack. Draft replies match your tone and shift by recipient, so a note to a long-time client won't read like one to a stranger, and they answer in the sender's language. A meeting notetaker joins Google Meet, Microsoft Teams, Zoom, and Slack huddles. A unified calendar pulls in Google, Outlook, Apple / CalDAV, and iCal. And Donna, Usenti's AI daily brief, turns today's calendar, unanswered emails, and recommended to-dos into one morning summary.

It is not the right pick for everyone. Usenti does not copy Superhuman's keyboard-first interface, so pure speed seekers should look there. At $45 per month after a $1, 14-day trial, it costs more than Superhuman Mail Starter or Fyxer Pro on annual billing, and it has no free plan. It makes most sense if you are outside Gmail and Outlook, or want inbox, notes, calendar, and a daily brief in one tool.

Weighing more than two tools? See the best Superhuman alternatives, ranked, the best Fyxer AI alternatives, ranked, or the wider field in the best AI email assistants in 2026.

Frequently asked questions