Superhuman Alternatives for Teams and Shared Inboxes

Superhuman Mail is the fastest keyboard-driven email client on the market for one person. What it is not, and does not pretend to be, is a shared inbox. There is no thread assignment, no ticket-style ownership, no internal comments attached to a thread that the customer never sees. So when a team starts scaling — a founder hands the ops@ address to a new hire, or a support inbox stops fitting in one head — a lot of people go looking for Superhuman alternatives for teams and find that the category is not what they thought.

This post untangles it. We list eight team-capable options, say honestly which ones are shared inboxes and which are individual clients with team surfaces, and explain which reader belongs on which. We build AI Emaily, so it is our recommended pick and gets the most space here — but there is a named concession in the verdict about the shape of team where we are not the right answer.

The short answer: which reader should pick which#

Teams outgrow Superhuman for at least four different reasons. The right replacement changes for each, so start with the line that matches you.

• Best overall for a small team that wants an AI email client with shared visibility: AI Emaily — mailbox-owner model with assignment, internal comments, and the agent as a delegatable teammate. We build it.
• Best if you need a real shared inbox with tight collaboration on customer email: Missive — chat-in-thread, assignment, and the deepest collaborative-drafting model in the category.
• Best if you are running a customer-facing operations team with routing, SLAs, and AI Copilot as part of the workflow: Front.
• Best if the whole team already lives in Gmail and does not want to leave it: Hiver — assignment, collision detection, and shared labels inside Gmail itself.
• Best if you want a multi-channel shared inbox that includes email, WhatsApp, SMS and social: Helpwise.
• Best if you want the same-inside-Gmail model with heavier automation and CRM-lean features: Gmelius.
• Best if you already pay for Google Workspace and the volume is small: the native Google Groups Collaborative Inbox — free, limited, and worth trying before you buy anything else.
• Best if the team is really individuals who happen to work near each other: Spark for Teams — personal inboxes plus shared drafts and comments.
• If speed for one person was the point: stay on Superhuman Mail. That is a real answer for the reader who bought it for themselves and just added a hire.

First: does Superhuman have a shared inbox in 2026?#

No. This is the fact most comparison pages skip, so it is worth stating up front. As verified on Superhuman's own help center and product pages, the team surfaces Superhuman ships are Shared Drafts, Shared Conversations (loop a teammate into a thread without forwarding), Team Comments, Team Read Statuses, Team Snippets, a default Split Inbox view for same-domain conversations, and Team Calendar/Scheduling. There is no thread assignment, no ownership state on a thread, and no way to co-manage an address like support@ or sales@ as a team.

That is a design choice, not a gap they forgot to plug. Superhuman's own team-collaboration explainer is explicit that individual inboxes with shared visibility is the model they chose over the shared-inbox one, because they think ownership gets muddy in a true shared inbox. Reasonable people disagree with that, and if you disagree the right move is to leave for a tool built the other way — not to try to make Superhuman behave like one.

Also relevant: Grammarly acquired Superhuman in July 2025 and the parent company took the Superhuman name in October 2025. When a review calls Superhuman an independent startup, it is a pre-acquisition review and its conclusions are stale. Verify pricing on superhuman.com the day you compare, because both the tiering and the AI packaging have moved since the deal.

How we compared these tools#

There is no way to make Superhuman and Front line up on the same feature list, because they solve different problems. So we compared on the six dimensions that actually decide the purchase for a team leaving Superhuman.

• Shape: is it a shared inbox (one address, many hands) or an individual client with team surfaces (many inboxes, some shared state)?
• Assignment: can you hand a thread to a named person with an ownership state, or only loop them in?
• Internal comments on a thread: side-by-side discussion that never reaches the customer.
• Provider coverage: Gmail only, Outlook only, both, or IMAP too.
• AI on the workflow: is there an agent that drafts and can act, or is it still all-manual?
• Approval controls: how the tool prevents an AI-drafted or delegated reply from going out without a human seeing it — and whether there is an audit trail if one does.

We do not publish competitor prices, ratings or review counts anywhere in this piece. Packaging shape (free tier, trial, per-seat, usage-metered) is described where it matters; for the current number, check the vendor's own pricing page the day you buy. Two of the vendors here restructured their tiers in the last twelve months, and we would rather send you to the source than print a number that ages.

Comparison table#

All eight tools on the six dimensions. Where a tool is a shared inbox, it will feel like a helpdesk-lite once you start using it; where it is an individual client with team surfaces, it will feel like an inbox you happen to share things out of.

Two rows of that table decide most purchases. If the box you want to tick is thread assignment with a real ownership state, only the shared-inbox and Gmail-overlay tools give it to you cleanly. If the box is provider coverage across Gmail and Outlook and generic IMAP in one product, only AI Emaily, Missive and Front give you all three without a compromise.

The tools#

Each entry names the shape of the tool, what it does well on the six-criteria list above, and where it is the wrong answer.

1. AI Emaily — the AI-native client with a shared-mailbox layer#

We build AI Emaily. It is an AI email client that connects to Gmail, Outlook and any IMAP account, so a team using more than one provider gets one product across all of them rather than two subscriptions. The team layer is an opt-in on top of the individual client: an admin shares a connected mailbox with the team, and from that point members can read and reply on that mailbox's threads while the owner's OAuth tokens and the mailbox's private context brain stay with the owner. Members never handle the login. There are four roles — owner, admin, member and viewer — and per-member restrictions on which shared mailboxes each person can see.

The team workflow features are the ones you would expect from a shared inbox: assign a thread to a teammate (or to the AI agent) with a one-line handoff note, watch it move through the open → working → needs_review → done lifecycle, and comment internally with @mentions that the customer never sees. What is unusual is that the AI agent sits in the same assignment menu as the humans — you can delegate a thread to the agent and pick its authority (Manual, Copilot, or Autopilot). Under Copilot nothing sends until a person approves the draft; Autopilot acts inside an allowlist you set, per mailbox; every action is logged in an audit trail and undo is available on sends.

One honest concession: this is a shared-mailbox layer, not a helpdesk. There are no SLAs, no CSAT scoring, no ticket queues. If your reality is a five-person customer-support team on tickets, Front and Hiver are more mature at that shape than we are. AI Emaily is the pick when a small operating team wants the AI-native client and shared visibility on a handful of addresses, and does not want ticket infrastructure grafted on top of email. Pricing is packaged as a Team plan with a three-seat minimum; you can start with a free trial on Pro or Autopilot (no charge if you cancel before day seven). Check current numbers on AI Emaily pricing.

2. Missive — shared inbox with chat-in-thread#

Missive is the tool most Superhuman-for-teams searches actually want when they say shared inbox. The model is one address, many hands: everyone on the team sees the same thread, can assign it, can chat about it in a side panel that never reaches the customer, and can collaborate on a draft in real time. The chat-on-the-thread interaction is the sharpest thing here — it feels more like Slack fused with email than like a helpdesk, and for teams whose work is genuinely two-people-touching-one-reply, nothing else matches it.

Provider coverage is broad — Gmail, Outlook, generic IMAP, and non-email channels like SMS and social. AI drafting is present as an assistant, not as an autonomous agent, so the human is doing the sending. Packaging is per-seat with a free tier; verify at missiveapp.com.

Where Missive is the wrong answer: if you want the AI to actually do the triage and stage most replies without you touching them, Missive's assistant is helpful but is not that. And if you want an agent that can act under an authority level with an audit trail, that is not a shape Missive builds toward.

3. Front — customer operations at scale#

Front is the shared inbox that has grown up into a customer operations platform. Assignment, routing rules, tags, SLAs, workspaces, escalation flows — the whole vocabulary a mature support or account-management team wants is here. It supports Gmail, Outlook, custom SMTP, chat, and SMS. Front's own Copilot and Autopilot are paid add-ons on the Starter and Professional tiers and are included on Enterprise. Onboarding for contracts above a threshold is a mandatory package.

The three tiers as we verified them are Starter (one channel type, capped seats and workspaces), Professional (omnichannel, higher caps, macros), and Enterprise (uncapped). Starter is single-channel only — email or chat or SMS, not combined — which is often missed in reviews. Check front.com/pricing before buying; annual billing runs meaningfully below monthly.

Where Front is the wrong answer: a five-person team that just wants a shared support address will find it more platform than they need, and the AI features being paid add-ons on lower tiers means the sticker price is not the actual number. For a real customer-ops team, though, Front is the strongest option here.

4. Hiver — shared inbox inside Gmail#

Hiver's premise: if your team already lives in Gmail, do not make them leave it. Hiver installs as a Gmail overlay and adds the shared-inbox mechanics — assignment (with round-robin and rules), collision detection so two people do not reply to the same thread, shared labels, internal notes, SLA tracking, and analytics — inside the Gmail UI itself. There is a standalone web app (Hiver Omni) for other providers, but the product is Gmail-first with newer Outlook support.

Hiver ships AI features for triage, summaries and draft help, and its collision detection is genuinely the cleanest in this comparison — the single biggest failure mode of a raw Gmail-based shared mailbox is two agents replying at once, and Hiver solves it.

Where Hiver is the wrong answer: if half your team is on Outlook or IMAP, the Gmail-first bias will bite. And if you are looking for an autonomous agent rather than better triage inside a familiar UI, that is not Hiver's shape.

5. Helpwise — multi-channel shared inbox#

Helpwise is a shared inbox that treats email, WhatsApp, SMS, Facebook, Instagram and live chat as first-class channels in one queue. For a small commerce or services team where a real portion of the customer conversation happens outside email, Helpwise avoids the trap of paying for a shared email tool and then bolting a second product on for chat.

The team features are the standard shared-inbox set: assignment with workload distribution, notes and @mentions, shared drafts with real-time collaboration, collision detection, and internal discussions inside a thread. AI drafting is present; automation flows are configurable.

Where Helpwise is the wrong answer: if the team is entirely on email, the multi-channel surface is overhead you are paying for and not using. And it is not built as a keyboard-first speed client the way Superhuman was — the trade for shared inbox is a heavier UI.

6. Gmelius — Gmail-native automation#

Gmelius is the other well-known Gmail overlay in this category. It leans a little further toward automation and CRM-lean workflow than Hiver does — shared labels, assignment, kanban boards on top of email, sequences, and internal notes, all inside Gmail. If your team wants the shared-inbox mechanics plus the ability to run repeatable outbound and internal automations on the same product, Gmelius is the fit.

Provider is Gmail only. AI drafting is lighter than in the AI-native competitors here.

Where Gmelius is the wrong answer: any Outlook or IMAP account on the team, and any team that wants the AI to actually do the triage rather than help with automation rules.

7. Google Groups Collaborative Inbox — the free Workspace option#

This one is on the list because it is free with any Google Workspace subscription and it is genuinely worth trying before you buy a third-party tool. You turn a Google Group into a Collaborative Inbox and members get take/assign, resolve, and duplicate detection on messages sent to that group's address.

It is shallow — no true thread-level internal comments, no SLAs, no analytics, no AI beyond what Gmail itself now bundles — but for a two- or three-person team whose volume is low and whose only ask is shared visibility on one address, the Workspace-native option is what you should try first. If it does not stretch to your workflow, you have not lost anything and you have a clearer sense of what you actually need.

Where it is the wrong answer: any team whose volume, workflow, or provider mix is real. It will run out of runway quickly.

8. Spark for Teams — individuals near each other#

Spark by Readdle takes the same architectural choice Superhuman did — individual inboxes with shared surfaces — and pushes it further with shared drafts and chat on a thread. There is no thread ownership state and no assignment in the shared-inbox sense; the team feature is that two people can draft together and have an internal conversation without leaving the client.

Provider coverage is broad (Gmail, Outlook, IMAP, iCloud). AI drafting and summaries are present.

Where Spark is the wrong answer: it is not a shared inbox at all. If the reason you are leaving Superhuman is that you need one address multiple people co-own, Spark solves a different problem. If the reason is that you and your co-founder want to jointly draft a hard reply once a week, Spark solves that problem cleanly and cheaply.

How to choose for your situation#

The choice is easier than the length of the table suggests, because most teams fall into one of four shapes.

1. 1

   You are a founder + first hire on a support@ address

   Try Google Groups Collaborative Inbox first if you are on Workspace — it is free and it might be enough. If it is not, pick between AI Emaily (if you want the AI agent to handle most replies and you can accept a Team plan minimum) and Hiver (if you want to stay in Gmail and prefer better triage over an autonomous agent).

2. 2

   You are a five-to-ten-person customer-ops team

   Front is the mature answer. Missive is the answer if your work is more collaborative than routed and you prefer chat-in-thread to SLAs. Hiver if the team is fully in Gmail and does not want to migrate.

3. 3

   You are a small operating team with mixed providers and AI expectations

   AI Emaily is what we would recommend, and we build it. Gmail + Outlook + IMAP in one product; assignment, comments and delegatable AI agent under approval controls; the audit trail behind everything. The concession: if your operation is really a ticket queue with SLAs and CSAT, Front is a better fit than we are.

4. 4

   You are individuals who happen to share drafts sometimes

   Stay on Superhuman if you already have it and the shared-drafts pattern works. Or try Spark for Teams if you want more of that pattern for less money. Do not buy a shared inbox for a problem you do not have.

Where AI Emaily fits, honestly#

We build AI Emaily. On this page, that means we are entry number one and we get more space than the others — that is disclosed, and it is why. But there are two shapes of team we are not the best answer for, and it is worth naming them so the rest is believable.

First: Front has built harder on the customer-operations end — routing rules across departments, SLAs, CSAT, escalation flows, and QA — than we have or plan to. If your reality is a support organization on tickets, Front is the better platform. Second: Missive has built the chat-in-thread interaction more deeply than we have. If the core of your work is two people jointly composing replies to hard customer emails in real time, Missive will feel more native for that specific interaction than we will.

Where we are the pick: a small operating team — founders, ops, sales, account management — that wants an AI email client (not a helpdesk) with real shared-mailbox mechanics on top, across whatever providers the team happens to use. The agent as a delegatable teammate under authority levels, with approval controls before send and an audit trail behind everything, is the axis we optimize for. Start with a free trial on Pro or Autopilot at how much it costs; nothing charges if you cancel before day seven.