Superhuman

The most productive email app. Save 4 hours a week.

4.8•86 reviews•

3.9K followers

The most productive email app. Save 4 hours a week.

4.8•86 reviews•

3.9K followers

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Superhuman is the most productive email app ever made. Fly through your inbox, with powerful AI features for writing, summarizing, replying, and searching. Be more responsive to what matters most, with Split Inbox and follow-up Reminders. And collaborate faster than ever before, with Team Comments. Superhuman works seamlessly with Gmail and Outlook, and helps teams save four hours per person, every single week.

The Best Superhuman Alternatives

The best Superhuman alternatives are Shortwave, Mimestream, Spark, Missive, and Inbox Zero.

Shortwave

4.7 ·

Choose Shortwave if...

✓you want bundles and scheduled inbox visibility
✓you rely on thread summaries and draft help
✓you want a Superhuman-like feel for less

See details ↓

Mimestream

4.4 ·

Choose Mimestream if...

✓you want a native macOS Gmail power client
✓you manage multiple Gmail accounts in one inbox
✓you prioritize fast, stable Gmail syncing

See details ↓

Spark

4.1 ·

Choose Spark if...

✓you need multi-device support across many accounts
✓you want sender approval to cut inbox noise
✓you want a cheaper alternative to Superhuman

See details ↓

Missive

4.6 ·

Choose Missive if...

✓you need shared inbox collaboration for a team
✓you want internal chat and comments on threads
✓you need rules and escalation for ops workflows

See details ↓

Inbox Zero

4.8 ·

Choose Inbox Zero if...

✓you mainly want bulk unsubscribe and cleanup
✓you want sender-based review to declutter fast
✓you prefer open-source and self-hosting options

See details ↓

What to Consider

Superhuman is the benchmark for a premium, speed-first email experience—built around keyboard shortcuts, rapid triage, and keeping busy inboxes moving. But the alternatives landscape is less about “faster email” and more about choosing a workflow: Shortwave emphasizes bundling and built-in AI summaries for a GTD-style big-picture view, Mimestream goes all-in on a native macOS Gmail client, Spark prioritizes cross-device multi-account convenience and inbox filtering, Missive is designed for shared inboxes and team collaboration, and Inbox Zero focuses on decluttering via unsubscribe and sender-based cleanup (with an open-source/self-host angle).

In evaluating Superhuman alternatives, we looked at how each option handles organization and triage, account/provider support and platform coverage, reliability and performance, and the depth of collaboration features for teams. We also weighed pricing and value (including subscription expectations), the practicality of AI features in day-to-day use, and trade-offs like native integration vs broader compatibility and privacy/control considerations.

Shortwave

Intelligent email, powered by AI — Smarter & faster email designed for stress-free productivity

4.7 · 23 reviews

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Shortwave takes a fundamentally different approach to speed: it helps you process email in bundles and categories so you can see the “big picture” instead of living in one thread at a time. That makes it a compelling alternative to Superhuman for people who want a more system-driven inbox and less manual triage.

AI is also baked directly into the workflow, with practical thread-level actions like summarizing long conversations and generating concise context to include in replies. Rather than feeling like a separate chatbot, the AI shows up as lightweight, in-the-moment assistance that helps unblock writing and catch up quickly.

It’s still built for power users, with a snappy interface and strong keyboard navigation, but the main win is how it reorganizes work: hiding certain categories until a set day, grouping similar messages, and creating a calmer “processing queue.” The trade-off is that its automation and labeling can feel opinionated, so it best suits people who want to adopt its model rather than replicate a traditional inbox.

If Superhuman is primarily about velocity, Shortwave is about velocity plus structure—especially for Gmail users who want Inbox Zero habits to stick without constant micromanagement.

Best for

Best for Gmail power users who want bundling-based triage and built-in AI summaries.

Standout features

✓Email bundling and scheduled visibility
✓One-click thread summaries
✓AI-assisted drafting and tone matching
✓Fast keyboard-driven workflow
✓Gmail-focused organization model

Mimestream

A native macOS email client for Gmail

4.4 · 16 reviews

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A native macOS feel is the point with Mimestream, and that alone sets it apart from Superhuman’s more platform-agnostic, premium web-app style experience. It’s designed to be a high-performance Gmail client that behaves like a great Mac app—quick, polished, and tightly integrated.

Where it shines is Gmail compatibility: labels, categories, and the nuances of Google Workspace workflows tend to work the way Gmail users expect. If the goal is to keep Gmail as-is but get a faster, cleaner desktop experience, Mimestream is often the more direct fit than switching to a new inbox philosophy.

It’s also a strong option for people juggling multiple Gmail accounts, consolidating them into one place with smooth syncing and minimal friction. The main trade-off is that it’s intentionally focused—if the priority is cross-platform access or broad provider support, it won’t replace a more universal client.

For Mac-first professionals who want Gmail done “right” on desktop, Mimestream is the alternative that prioritizes native performance and reliability over novelty.

Best for

Ideal for macOS-only Gmail and Google Workspace users who want a fast, native client.

Standout features

✓Native macOS Gmail client
✓Gmail labels and categories support
✓Multiple Gmail accounts in one app
✓Fast, lightweight sync performance
✓Polished, classic Mac app UI

Spark

All in one email solution.

4.1 · 70 reviews

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Spark competes with Superhuman less on elite speed and more on breadth: it’s built for people managing many email accounts across many devices. If email needs to feel consistent on iOS, Android, Windows, and Mac, Spark’s cross-platform experience is often the deciding factor.

Its inbox organization leans into decluttering through categorization and sender controls, including an approval-style approach to new senders that helps keep noise out. That can be a better fit than a shortcut-first workflow when the biggest problem is volume and unpredictability, not just response speed.

Spark also adds team-friendly features and convenience touches like quick onboarding on new devices and unified account syncing, which matter more than micro-optimizing per-message handling. The trade-off is that its newer app direction can feel more opinionated, and some users prefer the older UI patterns.

If Superhuman is a premium sports car for one inbox, Spark is the multi-vehicle garage—practical for people who need coverage, filters, and flexibility everywhere they work.

Best for

Best for multi-device users managing many accounts across providers and platforms.

Standout features

✓Cross-platform apps across major OSes
✓Multi-account sync and unified onboarding
✓Smart inbox categories and grouping
✓New sender gatekeeper controls
✓Team-oriented email collaboration tools

Missive

Email, Chat and Tasks for Productive Teams

4.6 · 11 reviews

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Missive is built around the reality that many inboxes are shared work queues, not just personal communication streams. Compared with Superhuman’s individual productivity focus, Missive stands out by turning email threads into collaborative spaces with internal discussion, assignment, and accountability.

Teams can coordinate directly on customer or partner emails without forwarding chains or splitting context across chat tools. Rules and structured workflows help route messages, escalate issues, and keep responsibilities clear, making it especially strong for support, operations, and agency environments.

It also avoids forcing a total reinvention of email, so it’s easier to adopt for groups that want collaboration layered onto familiar patterns. The trade-off is that it can feel feature-dense at first, but that depth is exactly what makes it replace multiple tools for many teams.

For organizations that care more about shared visibility and process than raw per-user speed, Missive is the alternative that turns an inbox into a lightweight ops hub.

Best for

Ideal for teams that need shared inbox collaboration, assignment, and workflow automation.

Standout features

✓Shared inboxes with assignments
✓Internal chat and comments per thread
✓Custom rules and routing automation
✓Escalation paths for accountability
✓Cross-platform support for teams

Inbox Zero

Clean up your inbox in minutes. Open source.

4.8 · 14 reviews

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Inbox Zero is a different category of alternative: it focuses on cleaning up a messy inbox rather than becoming a full-time, premium email client like Superhuman. If the main pain is years of newsletters, subscriptions, and sender clutter, this approach delivers a fast reset without changing how daily email is handled.

It centers on unsubscribe workflows and sender-based review, making it easy to see everything from one source and take bulk actions. That’s the kind of targeted decluttering Superhuman doesn’t primarily optimize for, especially when the goal is maintenance and hygiene rather than rapid reply throughput.

The product also appeals to users who value control and transparency, with an identity that includes open-source and self-hosting options for privacy-minded setups. The trade-off is that it’s not trying to replace a high-speed daily driver; it’s a cleanup companion you use when the inbox needs triage at scale.

For anyone overwhelmed by accumulated subscriptions and noise, Inbox Zero is the alternative that makes “inbox zero” a practical cleanup project instead of a constant habit.