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Mimestream alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Mimestream: gmail and Google Workspace accounts only, and mac only, with iOS still in beta. We ranked 5 alternatives by how directly each one replaces Mimestream, then by reviews, real visits and how recently each app's facts were checked against its own website. Superhuman Mail currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Apple Mail logoApple MailFreeNomacOS, iOS3 of 359.6
2Spark logoSparkFree plan + paidNomacOS, Windows, iOS +13 of 357.2
3Airmail logoAirmailFree plan + paidNomacOS, iOS3 of 355.3
  1. Apple Mail logo

    1. Apple MailTop pick

    Best for: Apple device owners who want a free, built-in client for all their accounts

    FreemacOS, iOS

    59.6

    score / 100

    Why switch from Mimestream

    Free and built in, if you can live with how it handles labels.

    Pros

    • Preinstalled and free on every Mac, iPhone and iPad
    • Mail Privacy Protection hides your IP and blocks tracking pixels
    • Handles iCloud, Gmail, Exchange and IMAP in one inbox

    Cons

    • Only runs on Apple devices
    • Rules and search are basic compared with power-user clients
    • Gmail labels and categories behave awkwardly
    Visit Apple Mail Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    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 Apple Mail a good Mimestream alternative?

    Verified facts

    3 of 3 verified
    Supported accounts
    iCloud, Gmail, Exchange and other IMAP
    Checked Oct 25, 2026support.apple.com(opens source in a new tab)
    Automatic categories
    Yes
    Checked Oct 25, 2026support.apple.com(opens source in a new tab)
    Sender blocking
    Yes
    Checked Oct 25, 2026support.apple.com(opens source in a new tab)
  2. Spark logo

    2. Spark

    Best for: People and small teams who want one smart inbox across all their devices

    Free plan + paidmacOS, Windows, iOS, Android

    57.2

    score / 100

    Why switch from Mimestream

    Cross-platform and free to start, supporting non-Gmail accounts too.

    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 Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    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 Mimestream 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)
  3. Airmail logo

    3. Airmail

    Best for: Apple users who want to customise every action and send mail to other apps

    Free plan + paidmacOS, iOS

    55.3

    score / 100

    Why switch from Mimestream

    A highly customisable Apple client that supports any provider.

    Pros

    • Huge range of settings, swipe actions and rules
    • Sends emails directly to task and note apps
    • Runs on Mac, iPhone, iPad and Vision Pro

    Cons

    • Apple platforms only
    • Settings can be overwhelming
    • Has had stretches of slow updates and sync bugs
    Visit Airmail 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 Airmail a good Mimestream alternative?

    Verified facts

    3 of 3 verified
    Platforms
    iPhone, iPad, Mac, Vision Pro
    Checked Oct 25, 2026airmailapp.com(opens source in a new tab)
    Business edition
    No subscription, Pro features unlocked
    Checked Oct 25, 2026airmailapp.com(opens source in a new tab)
    Award
    Apple Design Award
    Checked Oct 25, 2026airmailapp.com(opens source in a new tab)

The best Mimestream alternative for…

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

Superhuman Mail logo

Best Mimestream alternative for most people

Superhuman Mail

A premium Gmail client with AI and a split inbox, on more platforms.

Apple Mail logo

Best Mimestream alternative for a free option

Apple Mail

Free and built in, if you can live with how it handles labels.

Spark logo

Best Mimestream alternative for a free plan you can upgrade

Spark

Cross-platform and free to start, supporting non-Gmail accounts too.

Shortwave logo

Best Mimestream alternative for Mac

Shortwave

Gmail-focused client with AI triage and apps beyond the Mac.

Superhuman Mail logo

Best Mimestream alternative for Windows

Superhuman Mail

A premium Gmail client with AI and a split inbox, on more platforms.

Superhuman Mail logo

Best Mimestream alternative for iPhone and Android

Superhuman Mail

A premium Gmail client with AI and a split inbox, on more platforms.

Superhuman Mail logo

Best Mimestream alternative for working in the browser

Superhuman Mail

A premium Gmail client with AI and a split inbox, on more platforms.

Mimestream alternatives: common questions

What is the best alternative to Mimestream?

Superhuman Mail ranks first right now. A premium Gmail client with AI and a split inbox, on more platforms. Shortwave and Apple Mail follow it in our ranking.

Is there a free alternative to Mimestream?

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

Is there an open-source alternative to Mimestream?

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

Why do people switch from Mimestream?

The complaints we hear most: gmail and Google Workspace accounts only; mac only, with iOS still in beta; subscription with no free tier.

How is this list ranked?

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