Spark Mail Alternatives for Teams and Shared Drafts

Spark Mail earned its team following on three features most personal clients skip: shared drafts you can edit together, delegation of a thread to a teammate, and inline comments that stay off the customer's copy. When Readdle moved those into paid tiers and re-shaped the Teams plan, a lot of small teams started pricing the alternatives for the first time.

This roundup ranks tools that do team email properly and is honest about when a real shared inbox — with conversation assignment and load balancing — beats a client that bolts team features on. The seven picks below cover both shapes, and the verdict changes depending on which shape you actually need.

Top pick: AI Emaily is our entry #1 for a small team that wants approval-first drafting, delegation and an audit trail across Gmail, Outlook and IMAP — and we build it, so we say plainly where it stops being the answer. Missive is the closest shape match to Spark itself. Front and Hiver are the honest picks when a shared inbox is what you actually need. We say which reader should stop reading and go straight to which tool below.

Does Spark have a shared inbox?#

Not in the shared-inbox-platform sense — and this is the distinction the rest of the post rests on. Spark has team features layered onto a personal client: shared drafts, delegation, comments, saved templates. That is a different product shape from a dedicated shared inbox like Front or Hiver, where conversations are assigned to a specific teammate, routed by rules, and reported on as tickets.

The confusion matters because the two shapes fail at different jobs. A shared-drafts client breaks the moment you need to know who owns which reply and stop two people answering the same customer twice. A shared-inbox platform is heavy overkill for a two-founder team that just wants to co-write a customer email on a Friday afternoon.

Match the tool to the shape. If your team was mostly using Spark's shared drafts and comments, keep to that shape and pick from AI Emaily, Missive or Canary Mail. If assignment and reporting are the real reason you're shopping, jump to Front or Hiver.

How we compared#

We scored each tool on the four dimensions that decide whether a Spark switch survives contact with a real team, and skipped the generic-feature checklist most listicles run.

• Shared drafting shape — can two teammates edit the same reply in real time, or is collaboration handled by a comment thread next to a single owner's draft.
• Delegation and assignment — can a thread be handed to a named teammate with clear ownership, and does the tool prevent two people from answering the same message.
• Provider coverage and lock-in — Gmail-only, Outlook-only, or does the tool cover Gmail, Outlook and generic IMAP so the team can pick its own back end.
• Approval, undo and audit — for teams where a wrong send has a customer cost, is there an approval step, a real undo, and a log showing who did what.

Spark Mail team alternatives compared#

The tools, ranked#

Seven picks in the order we'd actually recommend for a small team leaving Spark. The order changes depending on whether you need shared drafts or a shared inbox — the section after this one maps the two.

1. AI Emaily — approval-first drafting and delegation across every provider#

AI Emaily is an AI-native email client built around three authority modes: Manual, Copilot and Autopilot. Copilot drafts replies and proposes triage the whole team can review; nothing sends without an explicit approval. Autopilot only runs unattended on the specific actions you've raised its authority for, and every action — approved or automatic — lands in an audit log the team can undo.

For a Spark team, that shape covers what shared drafts were doing: the AI produces a first pass, one teammate polishes it, another can sanity-check before send, and the record of who touched what is on the thread. Delegation is a first-class handoff with the audit trail attached, not a colour-coded label on a copy of the message.

Provider coverage is Gmail, Outlook and generic IMAP in one unified inbox, so a team split across a founder's Gmail and a shared support@ on Outlook doesn't have to pick one back end. Voice comes from a Context brain your team sets — not the model quietly reading past mail — with per-client profiles for teammates who write in different registers.

Where AI Emaily stops being the right answer: it is not a purpose-built shared-inbox ticketing platform. If your team needs SLA reports, load balancing across a rota, and formal conversation assignment as the core workflow, Front and Hiver do that job better than we do — we say so plainly in the concession below. We build AI Emaily; the packaging shape is a 7-day free trial on Pro/Autopilot with a card, then a per-seat Team plan — current numbers live at /pricing, and the homepage is aiemaily.com if you want the product tour before you price it.

2. Missive — the closest shape match to Spark itself#

Missive is the tool a Spark team lands on when they try to keep the exact workflow they had. Real-time collaborative drafting is the headline: two teammates can edit the same message together, and a side chat sits next to it that stays off the customer's copy. That is closer to Spark's shared-drafts experience than anything else on this list.

Beyond drafting, Missive handles conversation assignment, tasks, and reactions inside the thread. It runs across Gmail, Outlook and generic IMAP, plus non-email channels — SMS, WhatsApp and social — for teams whose customers don't just live in email. The mobile apps are real, not afterthoughts.

Packaging is per-seat across a set of team tiers, with a trial you can start without a card. Verify the current tier list on Missive's own pricing page before you commit — this category has been re-tiering. If you liked Spark specifically because two people could edit one reply, Missive is the honest first stop.

3. Front — the concession pick for a real shared-inbox workflow#

Front is a shared-inbox platform, not an email client with team features bolted on, and it wins on that shape. Assignment, routing rules, SLAs and workload reports are the product, not add-ons — this is where our roundup makes an honest concession: if your team's daily job is routing customer conversations to a named owner, running to an SLA, and reporting on volume and response time, Front does that better than AI Emaily does. That is what makes the other six picks on this page credible.

The catch is the shape itself. Front is priced and packaged for teams that need that workflow: Starter is capped at ~10 seats and one channel type only (email or chat or SMS, not combined) with about 10 automation rules; Professional lifts to ~50 seats, omnichannel and more rules; Enterprise is uncapped. AI Copilot, QA and CSAT features are paid add-ons on Starter and Professional and only included on Enterprise. Annual billing runs meaningfully cheaper than monthly.

Note also that there is no Front "Growth" plan — the tier list is Starter, Professional and Enterprise. If a comparison article says otherwise, it's mixing Front up with Hiver or Canary. Verify the current caps on front.com/pricing before signing anything.

4. Hiver — a Gmail-first shared inbox that doesn't leave Gmail#

Hiver is the pick for a team that lives entirely inside Google Workspace and doesn't want to move to a separate app. Shared inboxes, conversation assignment, SLAs and shared notes all appear inside the Gmail interface — the team keeps its keyboard shortcuts, its search and its extension setup, and gains the shared-inbox layer over the top.

Tiering is Free plus Growth, Pro and Elite, priced per seat. That is a real free tier for small teams to try the shape before paying, which most dedicated shared-inbox platforms don't offer — verify current seat caps and feature splits on Hiver's own pricing page, since the mid-tiers do the most changing.

The tradeoff is Google Workspace lock-in. Hiver has no Outlook or generic IMAP support, so a team with even one Microsoft 365 mailbox in the mix needs a different tool. If everyone is on Google, Hiver is a strong second-place answer for shared-inbox workflow after Front — and often the first place, for teams that will not leave Gmail.

5. Superhuman Mail — full platform spread, lighter team layer#

Superhuman Mail has the widest native platform spread on this list — web, Mac, Windows, iOS and Android — and supports both Gmail and Outlook across all of them. For a fast-typing founding team on mixed devices, that reach is real.

One naming note: Grammarly acquired Superhuman in July 2025 and renamed the parent company Superhuman in October 2025, so the name now covers two products — Superhuman Mail, the email client, and the broader Superhuman Suite bundle. Any review published before late 2025 describes the pre-acquisition product. Make sure you're pricing the Mail SKU if the client is what you want.

The team layer is lighter than Front, Hiver or Missive: team comments, shared snippets, and Split Inbox and read status per teammate, without formal conversation-assignment ticketing. It's per-seat across Mail Starter, Business and Enterprise. Superhuman Mail is a strong pick for speed and platform coverage; it's a weaker pick if the team's actual pain is who-owns-which-thread rather than how-fast-do-I-triage.

6. Shortwave — Gmail-only, with team channels layered on#

Shortwave is an AI-native Gmail client with genuinely strong semantic search — better than what most of this list, ourselves included, has built for digging through a large Gmail archive. It adds team channels and shared threads on top of that, so a small team already on Google can pool context without leaving the client.

The category axis is the limit: Shortwave is Gmail only. There's no Outlook and no generic IMAP support, so any team with a mixed provider setup is picking a replacement for one account inside their stack, not a Spark alternative for the whole team.

Packaging is a 14-day trial followed by paid, per-seat Business, Premier or Max tiers — a personal free tier no longer stands. Verify tier names and trial length on Shortwave's own pricing page before you commit; this vendor has re-tiered inside the last twelve months.

7. Canary Mail — team accounts with encryption on the same shelf#

Canary Mail's Teams plan groups accounts under a workspace with role-based access, and its Pro+ tier layers PGP encryption and SecureSend on top. For a team that leaves Spark because encryption, not agentic triage, is what they actually need, Canary is the strongest pick on this list.

Drafting stays per-user rather than co-edited on the message body, so if the Spark feature you'll miss most is two people polishing the same reply, Canary is a step sideways rather than forward. Platform coverage is broad — Mac, iOS, Windows and Android under one license — and the tier shape is Free plus Growth, plus Pro+ and a Teams plan, billed yearly or as a one-time lifetime purchase with no monthly option either way.

Pick Canary when message-level encryption is a hard requirement; pick Missive or AI Emaily when collaborative drafting is.

How to choose for your situation#

The right pick depends on which Spark feature you'll miss most, not on a spec-sheet score. Match the reader you actually are:

• You want AI drafting the whole team can review and approve, across Gmail, Outlook and IMAP, with an audit log — AI Emaily, and the /best/best-email-tool-for-teams guide walks through the buying criteria in more depth.
• You want the exact Spark shape — real-time co-editing on the same reply, side chat, delegation — kept intact — Missive.
• Your team's daily job is routing customer conversations to a named owner with SLAs and workload reports — Front on Professional or Enterprise; on Starter only if you're under ten seats and one channel type.
• You live entirely in Google Workspace and refuse to leave the Gmail interface — Hiver.
• You need fast keyboard triage across Gmail and Outlook on every device, and formal assignment is not the pain — Superhuman Mail.
• You're a Gmail-only team that wants semantic search over a large archive — Shortwave, once you accept it won't touch a second provider.
• Message-level encryption is the actual reason you're leaving Spark — Canary Mail's Pro+ or Teams tier.

Where AI Emaily stops being the right answer#

One dimension the honest verdict has to concede: AI Emaily is not a purpose-built shared-inbox ticketing platform. If the daily workflow your team needs is a queue of customer conversations, formally assigned to a named owner, with SLA timers, workload balancing and reports on response time and volume, Front is the better fit and Hiver is the better fit for Google-Workspace teams.

We do delegation, approval and audit well; we do them inside a mail-client shape rather than a ticketing-platform shape. A three-person founding team co-writing a customer reply is our sweet spot; a fifteen-person support team routing hundreds of tickets a day is Front's. Naming that distinction is what makes the rest of the ranking credible.