Superhuman Mail alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Superhuman Mail: expensive, with no free plan, and only works with Gmail and Microsoft accounts. We ranked 5 alternatives by how directly each one replaces Superhuman Mail, then by reviews, real visits and how recently each app's facts were checked against its own website. Shortwave currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	Spark	Free plan + paid	No	macOS, Windows, iOS +1	3 of 3	62.6
2	Canary Mail	Free plan + paid	No	macOS, Windows, iOS +1	5 of 5	55.3

1. SparkTop pick
Best for: People and small teams who want one smart inbox across all their devices
Free plan + paidmacOS, Windows, iOS, Android
62.6
score / 100
Why switch from Superhuman Mail
Free to start, cross-platform, and works with any IMAP account.
Pros
Free plan with unlimited accounts and a smart inbox
Shared threads, private comments and joint drafting for teams
Native apps on Mac, Windows, iOS and Android
Cons
Mail syncs through Readdle's servers
Best AI and team features need a per-user subscription
No web app
Visit Spark Compare with Superhuman Mail Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Spark a good Superhuman Mail alternative?
Verified facts
3 of 3 verified
Free plan
Yes, unlimited email accounts
Checked Oct 25, 2026sparkmailapp.com(opens source in a new tab)
Plus price
$10 per user/month (monthly)
Checked Oct 25, 2026sparkmailapp.com(opens source in a new tab)
Pro price
$20 per user/month (monthly)
Checked Oct 25, 2026sparkmailapp.com(opens source in a new tab)
2. Canary Mail
Best for: Individuals who want PGP and AI features in a cross-platform client at a low price
Free plan + paidmacOS, Windows, iOS, Android
55.3
score / 100
Why switch from Superhuman Mail
Cheaper AI-assisted client that supports any IMAP provider.
Pros
Built-in PGP and an encrypted SecureSend option
One license covers all platforms
Low-cost paid tiers
Cons
Smaller company, so updates can be uneven
Most useful features are in paid tiers
No web app
Visit Canary Mail Details and reviews
How this score is calculated
Editorial fit ×0.363
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Canary Mail a good Superhuman Mail alternative?
Verified facts
5 of 5 verified
Free plan
Yes
Checked Oct 25, 2026canarymail.io(opens source in a new tab)
Growth plan
$3/month billed yearly
Checked Oct 25, 2026canarymail.io(opens source in a new tab)
Pro+ plan
$10/month billed yearly
Checked Oct 25, 2026canarymail.io(opens source in a new tab)
Free trial
7 days
Checked Oct 25, 2026canarymail.io(opens source in a new tab)
End-to-end encryption
PGP
Checked Oct 25, 2026canarymail.io(opens source in a new tab)

The best Superhuman Mail alternative for…

The highest-ranked app in this list for each need.

Best Superhuman Mail alternative for most people

Shortwave

An AI-first Gmail client with similar triage tools at a lower price.

Best Superhuman Mail alternative for a free plan you can upgrade

Spark

Free to start, cross-platform, and works with any IMAP account.

Best Superhuman Mail alternative for Mac

Mimestream

A fast native Mac app for Gmail at a fraction of the cost.

Best Superhuman Mail alternative for Windows

HEY

A different take on taming email, with its own address and a screener.

Best Superhuman Mail alternative for Linux

HEY

A different take on taming email, with its own address and a screener.

Best Superhuman Mail alternative for iPhone and Android

Canary Mail

Cheaper AI-assisted client that supports any IMAP provider.

Best Superhuman Mail alternative for working in the browser

Shortwave

An AI-first Gmail client with similar triage tools at a lower price.

Superhuman Mail alternatives: common questions

What is the best alternative to Superhuman Mail?

Shortwave ranks first right now. An AI-first Gmail client with similar triage tools at a lower price. Spark and Mimestream follow it in our ranking.

Is there a free alternative to Superhuman Mail?

Yes. Spark (free plan + paid) and Canary Mail (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Superhuman Mail?

None of the 5 alternatives in this list is open source.

Which Superhuman Mail alternatives work on Linux?

HEY runs on Linux.

Why do people switch from Superhuman Mail?

The complaints we hear most: expensive, with no free plan; only works with Gmail and Microsoft accounts; now sold as part of a wider suite.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Superhuman Mail, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.