Unibox AlternativesEmail Clients and other similar apps like Unibox

Unibox is described as 'People centric email client that organizes your messages by person. It avoids having email like a to-do list' and is a Email Client in the office & productivity category. There are more than 25 alternatives to Unibox for a variety of platforms, including Mac, iPhone, Windows, iPad and Android apps. The best Unibox alternative is Thunderbird, which is both free and Open Source. Other great apps like Unibox are Spark Mail, Apple Mail, Mailbird and Notion Mail.

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Unibox alternatives are mainly Email Clients but may also be Calendar Apps or AI Writing Tools.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Unibox.
Unibox iconUnibox
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Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list.

More about Unibox
Unibox alternatives page was last updated Nov 6, 2024
  1. Thunderbird icon
     2411 likes

    Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.

    86 Thunderbird alternatives
    Thunderbird screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey

    Properties

    1.  Customizable

    Features

    1.  Extensible by Plugins/Extensions
    2.  Multiple Account support
    3.  IMAP Support
    4.  Calendar Integration
    5.  SMTP Support
    6.  Email Organizer
    7.  Add-ons
    8.  Built-in RSS reader
    9.  POP3 Support
    10.  Graphical User Interface
    11.  Dark Mode
    12. Google Calendar icon  Google Calendar integration
    Thunderbird iconUnibox Icon

    Thunderbird VS Unibox

    Is Thunderbird a good alternative to Unibox?
     
    • Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Unibox.

    • Thunderbird is the most popular Open Source & free alternative to Unibox.

    • Thunderbird is Free and Open SourceUnibox is Paid and Proprietary
    • Thunderbird is CustomizableUnibox is not according to our users
  2. Spark Mail icon
     125 likes

    E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.

    63 Spark Mail alternatives
    Spark Mail screenshot 1

    License model

    • FreemiumProprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    • Apple Watch

    Top Spark Mail Features

    1.  Multiple Account support
    2.  Email Scheduling
    3.  Snooze Mail
    4.  Cloud Sync
    5.  Calendar Integration
    6.  Dark Mode
    7.  Email Organizer
    8.  Unified inbox
    9.  Works Offline
    10.  Mail Filtering
    11.  Ad-free
    12. Google Calendar icon  Sync with Google Calendar
    Spark Mail iconUnibox Icon

    Spark Mail VS Unibox

    Is Spark Mail a good alternative to Unibox?
     
    • Spark Mail is the most popular iPhone & iPad alternative to Unibox.

    • Spark Mail is Freemium and ProprietaryUnibox is Paid and Proprietary
  3. Apple Mail icon
     234 likes

    There’s big news attached. The best way to manage email on a Mac, according to Apple.

    75 Apple Mail alternatives
    Apple Mail screenshot 1

    License model

    • FreeProprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad

    Apple Mail Features

    1.  Bundled with macOS
    2.  Email Organizer
    3.  Multiple Account support
    4.  Dark Mode
    5.  Spam Filter
    6.  CalDAV Support
    7.  CardDAV Support
    8.  Exchange
    9.  Rich text editing
    10.  Encrypted Email
    Apple Mail iconUnibox Icon

    Apple Mail VS Unibox

    Is Apple Mail a good alternative to Unibox?
     
    Comments about Apple Mail as an Alternative to Unibox
     
    Guest

    Missing the people centric part

    Negative commentNov 23, 2019
    1
    Unibox Icon
    Apple Mail icon
    • Apple Mail is Free and ProprietaryUnibox is Paid and Proprietary
  4. Mailbird icon
     304 likes

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications, and tools for improved productivity and a modern interface.

    64 Mailbird alternatives
    Mailbird screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Mac
    • Windows

    Properties

    1.  Clean design

    Features

    1.  Sync Contacts
    2.  Dark Mode
    3.  Undo send
    4.  Email tracking
    5.  Unified inbox
    6.  GSuite Integration
    7. Slack icon  Slack integration
    8.  Multiple Account support
    9. Asana icon  Asana integration
    10.  Email template editor
    11.  Email Organizer
    12.  Spam Filter
    Mailbird iconUnibox Icon

    Mailbird VS Unibox

    Is Mailbird a good alternative to Unibox?
     
  5. Notion Mail icon
     6 likes

    An intelligent, personalized inbox that automates tasks and enhances productivity. Features include views that prioritize what's important, AI-driven scheduling, snippets for quick responses, and seamless integration with Notion Calendar.

    18 Notion Mail alternatives
    Notion Mail screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Gmail

    Notion Mail Features

    1.  Unified inbox
    2.  Email Scheduling
    3.  Ad-free
    4.  Tagging
    5.  Snippets
    6.  Built-in search engine
    7.  AI-Powered
    8. Gmail icon  Gmail integration
    9. Notion icon  Notion Integration
    10.  Inbox Management
    Warning

    The app has been announed, but it will only be available in 2025. For now, you can only join the waitlist.

    Notion Mail iconUnibox Icon

    Notion Mail VS Unibox

    Is Notion Mail a good alternative to Unibox?
     
    • Notion Mail is the most popular Web-based alternative to Unibox.

    • Notion Mail is Freemium and ProprietaryUnibox is Paid and Proprietary
  6. Canary Mail icon
     25 likes

    Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!

    62 Canary Mail alternatives
    iOS-1

    License model

    • FreemiumProprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  End-to-End Encryption
    2.  Unified inbox
    3.  PGP Encryption
    4.  Multiple Account support
    5.  AI-Powered
    6.  GPG Encryption
    7.  Dark Mode
    8.  No Tracking
    9.  Cloud Sync
    10.  Ad-free
    11.  Reminders
    12.  Encrypted Email
    Canary Mail iconUnibox Icon

    Canary Mail VS Unibox

    Is Canary Mail a good alternative to Unibox?
     
    • Canary Mail is the most popular Android Tablet alternative to Unibox.

    • Canary Mail is Freemium and ProprietaryUnibox is Paid and Proprietary
    • Canary Mail is Privacy focused and LightweightUnibox is not according to our users
  7. Spike icon
     34 likes

    Bring your workspace together into one unified app. It’s everything your team has been looking for in a productivity and messaging app, but easier, and all with your email. Welcome to the shortest path to done.

    64 Spike alternatives
    One powerful space for all your work needs—get email, chat, notes, tasks, calendar and audio/video calls all from your inbox

    License model

    • FreemiumProprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    • Oculus Rift

    Top Spike Features

    1.  Unified inbox
    2.  Dark Mode
    3.  Email Organizer
    4.  Cloud Sync
    5.  Multiple Account support
    6.  Reminders
    7.  Real time collaboration
    8.  Live Preview
    9.  Built-in File Manager
    10.  Send later
    11.  Read confirmation
    12.  Snooze reliability
    Spike iconUnibox Icon

    Spike VS Unibox

    Is Spike a good alternative to Unibox?
     
    • Spike is the most popular SaaS alternative to Unibox.

    • Spike is Freemium and ProprietaryUnibox is Paid and Proprietary
  8. LucaMail icon
     9 likes

    LucaMail is an open source, cross-platform email client. LucaMail is developed to provide cross-platform alternative to Email Clients that are really exists. LucaMail focuses on modern technologies as well as maintaining a user-friendly UI.

    73 LucaMail alternatives
    LucaMail screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux

    LucaMail Features

    1.  Dark Mode
    2.  IMAP Support
    Discontinued

    Repository marked as archived as of Dec 24, 2022. No new releases since May 26, 2022.

    LucaMail iconUnibox Icon

    LucaMail VS Unibox

    Is LucaMail a good alternative to Unibox?
     
  9. Mimestream icon
     7 likes

    Mimestream combines your favorite Gmail features with the power of a native macOS app so you can move through your email effortlessly.

    18 Mimestream alternatives
    Mimestream screenshot 1

    License model

    Application type

    Platforms

    • Mac
    • Gmail

    Properties

    1.  Lightweight

    Features

    1.  Unified inbox
    2.  Ad-free
    3.  Multiple Account support
    4.  Dark Mode
    5. Gmail icon  Gmail integration
    6.  Gmail
    Mimestream iconUnibox Icon

    Mimestream VS Unibox

    Is Mimestream a good alternative to Unibox?
     
    • Mimestream is the most popular commercial alternative to Unibox.

    • Mimestream is Paid and ProprietaryUnibox is also Paid and Proprietary
    • Mimestream is LightweightUnibox is not according to our users
  10. Airmail icon
     73 likes

    Airmail is a lightweight and lightning fast mail client for Mac.

    66 Airmail alternatives
    Airmail screenshot 1

    License model

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch

    Properties

    1.  Lightweight

    Features

    1.  Multiple Account support
    2.  IMAP Support
    3.  POP3 Support
    4.  Fullscreen support
    5. Dropbox icon  Dropbox integration
    Airmail iconUnibox Icon

    Airmail VS Unibox

    Is Airmail a good alternative to Unibox?
     
  11. Superhuman icon
     3 likes

    The fastest email experience ever made.

    55 Superhuman alternatives
    Superhuman screenshot 1
    Superhuman screenshot 2
    +3
    Superhuman screenshot 3

    License model

    Application type

    Platforms

    • Mac
    • Online
    • iPhone
    • iPad

    Superhuman Features

    1.  Inbox Management
    Superhuman iconUnibox Icon

    Superhuman VS Unibox

    Is Superhuman a good alternative to Unibox?
     
  12. myMail icon
     17 likes

    myMail is the smart email app for managing all your accounts on iOS and Android.

    27 myMail alternatives
    myMail screenshot 1
    myMail screenshot 2
    +2
    myMail screenshot 3

    License model

    • FreeProprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    myMail Features

    1.  Multiple Account support
    2.  Mail Filtering
    3.  Unified inbox
    4.  Push Notifications
    5.  POP3 Support
    6.  IMAP Support
    7.  Mobile friendly
    8.  Filter Management
    myMail iconUnibox Icon

    myMail VS Unibox

    Is myMail a good alternative to Unibox?
     
12 of 25 Unibox alternatives