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Spike alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Spike: chat layout suits short messages better than long emails, and more workspace than a plain email client. We ranked 5 alternatives by how directly each one replaces Spike, then by reviews, real visits and how recently each app's facts were checked against its own website. Missive currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Missive logoMissivePaidNoWeb, macOS, Windows +34 of 466.5
2Spark logoSparkFree plan + paidNomacOS, Windows, iOS +13 of 362.6
3HEY logoHEYPaidNoWeb, macOS, Windows +35 of 559.6
4BlueMail logoBlueMailFree plan + paidNoWindows, macOS, Linux +24 of 457.2
5Superhuman Mail logoSuperhuman MailPaidNoWeb, macOS, Windows +23 of 355.3
  1. Missive logo

    1. MissiveTop pick

    Best for: Small teams that share email addresses and want to collaborate on replies

    PaidWeb, macOS, Windows, Linux, iOS, Android

    66.5

    score / 100

    Why switch from Spike

    Team inbox with chat and assignments, better suited to shared addresses.

    Pros

    • Shared inboxes with assignments and private comments
    • Email, chat, SMS and WhatsApp in one app
    • Apps for every platform including Linux

    Cons

    • Per-user pricing adds up for larger teams
    • Overkill for individual use
    • Lacks full help-desk features such as a knowledge base
    Visit Missive Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    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 Missive a good Spike alternative?

    Verified facts

    4 of 4 verified
    Free trial
    30 days
    Checked Oct 25, 2026missiveapp.com(opens source in a new tab)
    Starter price
    $14 per user/month billed yearly
    Checked Oct 25, 2026missiveapp.com(opens source in a new tab)
    Starter team size
    Up to 5 users
    Checked Oct 25, 2026missiveapp.com(opens source in a new tab)
    Compliance
    SOC 2 Type II
    Checked Oct 25, 2026missiveapp.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

    62.6

    score / 100

    Why switch from Spike

    A conventional inbox with team sharing, if the chat view feels odd.

    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 ×0.387
    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 Spike 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. HEY logo

    3. HEY

    Best for: People who want to opt in to who can email them and enjoy an opinionated workflow

    PaidWeb, macOS, Windows, Linux, iOS, Android

    59.6

    score / 100

    Why switch from Spike

    An opinionated email service for people who want to rethink the inbox.

    Pros

    • Screener stops unwanted first-time senders
    • Blocks spy pixels and separates newsletters and receipts
    • Apps on every platform including Linux

    Cons

    • No IMAP, so you must use HEY's own apps
    • Opinionated design that some people find restrictive
    • No free plan after the trial
    Visit HEY 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 HEY a good Spike alternative?

    Verified facts

    5 of 5 verified
    HEY for You price
    $99 per year
    Checked Oct 25, 2026hey.com(opens source in a new tab)
    Free trial
    30 days
    Checked Oct 25, 2026hey.com(opens source in a new tab)
    HEY for Domains price
    $12 per user/month
    Checked Oct 25, 2026hey.com(opens source in a new tab)
    Owner
    37signals
    Checked Oct 25, 2026hey.com(opens source in a new tab)
    Screener
    Yes
    Checked Oct 25, 2026hey.com(opens source in a new tab)
  4. BlueMail logo

    4. BlueMail

    Best for: People who want the same free mail app on every device, including Linux

    Free plan + paidWindows, macOS, Linux, iOS, Android

    57.2

    score / 100

    Why switch from Spike

    Free cross-platform client with group mail features.

    Pros

    • Runs on iOS, Android, Mac, Windows and Linux
    • Free personal plan with unlimited accounts
    • Built-in PGP encryption

    Cons

    • Busy interface with many options
    • Some sync goes through the vendor's servers
    • Upgrade prompts in the free version
    Visit BlueMail 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 BlueMail a good Spike alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Yes, unlimited accounts
    Checked Oct 25, 2026bluemail.me(opens source in a new tab)
    Platforms
    iOS, Android, macOS, Windows, Linux
    Checked Oct 25, 2026bluemail.me(opens source in a new tab)
    Encryption
    PGP
    Checked Oct 25, 2026bluemail.me(opens source in a new tab)
    Plus free trial
    7 days
    Checked Oct 25, 2026bluemail.me(opens source in a new tab)
  5. Superhuman Mail logo

    5. Superhuman Mail

    Best for: Executives and heavy email users on Gmail or Outlook who value speed over price

    PaidWeb, macOS, Windows, iOS, Android

    55.3

    score / 100

    Why switch from Spike

    Fast triage for heavy email users who want speed over chat.

    Pros

    • Very fast, keyboard-first workflow
    • Split inbox and reminders keep important threads visible
    • Strong AI drafting and inbox search

    Cons

    • Expensive, with no free plan
    • Only works with Gmail and Microsoft accounts
    • Now sold as part of a wider suite
    Visit Superhuman 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 Superhuman Mail a good Spike alternative?

    Verified facts

    3 of 3 verified
    Supported accounts
    Gmail and Outlook
    Checked Oct 25, 2026superhuman.com(opens source in a new tab)
    Split Inbox
    Yes
    Checked Oct 25, 2026superhuman.com(opens source in a new tab)
    Business plan (includes Mail)
    $33/member/month billed annually
    Checked Oct 25, 2026superhuman.com(opens source in a new tab)

The best Spike alternative for…

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

Missive logo

Best Spike alternative for most people

Missive

Team inbox with chat and assignments, better suited to shared addresses.

Spark logo

Best Spike alternative for a free plan you can upgrade

Spark

A conventional inbox with team sharing, if the chat view feels odd.

HEY logo

Best Spike alternative for Mac

HEY

An opinionated email service for people who want to rethink the inbox.

BlueMail logo

Best Spike alternative for Windows

BlueMail

Free cross-platform client with group mail features.

Missive logo

Best Spike alternative for Linux

Missive

Team inbox with chat and assignments, better suited to shared addresses.

Superhuman Mail logo

Best Spike alternative for iPhone and Android

Superhuman Mail

Fast triage for heavy email users who want speed over chat.

Missive logo

Best Spike alternative for working in the browser

Missive

Team inbox with chat and assignments, better suited to shared addresses.

Spike alternatives: common questions

What is the best alternative to Spike?

Missive ranks first right now. Team inbox with chat and assignments, better suited to shared addresses. Spark and HEY follow it in our ranking.

Is there a free alternative to Spike?

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

Is there an open-source alternative to Spike?

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

Which Spike alternatives work on Linux?

Missive, HEY and BlueMail run on Linux.

Why do people switch from Spike?

The complaints we hear most: chat layout suits short messages better than long emails; more workspace than a plain email client; mail syncs through Spike's servers.

How is this list ranked?

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