Alternatives to Microsoft Outlook

Best Microsoft Outlook Alternatives in 2026

By App Store Tracker Editorial · Updated — App Store ratings fetched to

The short version

Microsoft Outlook bundles email, calendar, and contacts across multiple accounts in one app. If you want the closest email rival, Apple Mail is the strongest pick here: a unified inbox across Gmail, Exchange, Outlook, and more, with millions of ratings. Several third-party clients handle Outlook and Hotmail accounts well too. Your choice depends on whether you want a built-in default, a third-party Outlook client, or to stay in Microsoft's productivity suite.

Ranked by App Store rating
10 alternatives
Live App Store data
No paid placements
Microsoft Outlook app icon

The app you searched for

Microsoft Outlook

Microsoft Corporation

Secure Email, Calendar & Files

4.8(9.4M)
Free · IAP
Get Microsoft Outlook on App StoreSee full Microsoft Outlook data →

People look for Microsoft Outlook alternatives when the inbox loads slowly, the calendar feels cluttered, or they want a cleaner email client, all gripes Outlook reviewers raise. Every pick below shares part of Outlook's core: managing email and often calendar and contacts across accounts. Some are third-party email clients that support Outlook and Hotmail, one is Apple's own Mail, and several are Microsoft's other Office apps that round out the same productivity suite. We ranked these by embedding similarity to Outlook's email-and-calendar model, then weighed live App Store ratings and review counts so the busier, better-reviewed apps surface first. Ratings shift often, so treat the order as a starting point.

Microsoft Outlook alternatives compared

AppRatingPrice
Mail4.6 (4.5M)Free
Mail: Email, Cloud, Calendar4.7 (60K)—
Email - Edison Mail4.5 (78.9K)Free · IAP
Blue Mail - Email | Calendar4.4 (10.6K)Free
Mail App for Outlook4.5 (7.9K)Free
Email Client - Boomerang Mail4.6 (4.7K)Free · IAP
Airmail for Gmail Outlook Mail4.3 (4.6K)Free
Email for Hotmail & Outlook4.0 (3K)Free
Email for Hotmail, Outlook4.0 (2.3K)Free · IAP
MailBuzzr for Outlook4.1 (518)Free

US App Store ratings, prices from Apple. See the latest US top free Productivity chart.

10 alternatives to Microsoft Outlook

  1. 1Mail icon

    #1Mail

    Apple

    4.6(4.5M)
    Free
    87% similar
    Get on App Store

    Why it's similar

    Apple Mail accesses email from iCloud, Gmail, Exchange, Yahoo, and Outlook in one inbox, with categories, scheduled send, snooze, and unsend, closely matching Outlook's unified multi-account email core. Both let you manage all your accounts in a single place. It carries over 4 million ratings.

    How it differs

    Apple Mail is iOS's built-in client with a separate Calendar app, rather than Outlook's bundled email-and-calendar suite, and it lacks deep Microsoft 365 integration. At 4.65 stars it rates near Outlook. It is the default-app alternative many Outlook reviewers compare against.

    See full data on Mail →
  2. 2Mail: Email, Cloud, Calendar icon

    #2Mail: Email, Cloud, Calendar

    VK LLC

    4.7(60K)
    85% similar
    Get on App Store

    Why it's similar

    Mail: Email, Cloud, Calendar matches Microsoft Outlook on core function and category fit. Embedding similarity score: 85%.

    How it differs

    Distinguishes on editorial focus. Rated 4.7 stars across 60K reviews.

    See full data on Mail: Email, Cloud, Calendar →
  3. 3Email - Edison Mail icon

    #3Email - Edison Mail

    Edison Software Inc.

    4.5(78.9K)
    Free · IAP
    86% similar
    Get on App Store

    Why it's similar

    Email - Edison Mail matches Microsoft Outlook on core function and category fit. Embedding similarity score: 86%.

    How it differs

    Distinguishes on monetization (free download with in-app purchases) and editorial focus. Rated 4.5 stars across 78.9K reviews.

    See full data on Email - Edison Mail →
  4. 4Blue Mail - Email | Calendar icon

    #4Blue Mail - Email | Calendar

    Blix Inc

    4.4(10.6K)
    Free
    85% similar
    Get on App Store

    Why it's similar

    Blue Mail - Email | Calendar matches Microsoft Outlook on core function and category fit. Embedding similarity score: 85%.

    How it differs

    Distinguishes on monetization (fully free) and editorial focus. Rated 4.4 stars across 10.6K reviews.

    See full data on Blue Mail - Email | Calendar →
  5. 5Mail App for Outlook icon

    #5Mail App for Outlook

    Intrepid Corporation LTD

    4.5(7.9K)
    Free
    89% similar
    Get on App Store

    Why it's similar

    Mail App for Outlook is a fast native client for triaging your Outlook inbox, using Outlook's platform for instant sync with keyboard shortcuts and quick management tools, sharing Outlook's email core directly. Both connect to your Outlook account for speedy email handling.

    How it differs

    Mail App for Outlook focuses on rapid inbox triage rather than Outlook's full calendar, contacts, and Office integration. At 4.51 stars across about 5,300 ratings, it is a lean third-party client. It speeds up Outlook email but lacks the all-in-one suite.

    See full data on Mail App for Outlook →
  6. 6Email Client - Boomerang Mail icon

    #6Email Client - Boomerang Mail

    Baydin Inc.

    4.6(4.7K)
    Free · IAP
    85% similar
    Get on App Store

    Why it's similar

    Email Client - Boomerang Mail matches Microsoft Outlook on core function and category fit. Embedding similarity score: 85%.

    How it differs

    Distinguishes on monetization (free download with in-app purchases) and editorial focus. Rated 4.6 stars across 4.7K reviews.

    See full data on Email Client - Boomerang Mail →
  7. 7Airmail for Gmail Outlook Mail icon

    #7Airmail for Gmail Outlook Mail

    Bloop S.R.L

    4.3(4.6K)
    Free
    88% similar
    Get on App Store

    Why it's similar

    Airmail is an award-winning mail client supporting Gmail, Exchange, Outlook 365, and IMAP in one app, with snooze, interactive notifications, and iCloud-synced preferences, sharing Outlook's multi-account email core. Both unify several accounts with rich workflow tools.

    How it differs

    Airmail centers on customizable email workflows rather than Outlook's tightly bundled calendar, contacts, and Microsoft 365 features. At 4.26 stars across about 3,900 ratings, it is smaller. It is a flexible third-party client for managing mail, not a full Outlook suite replacement.

    See full data on Airmail for Gmail Outlook Mail →
  8. 8Email for Hotmail & Outlook icon

    #8Email for Hotmail & Outlook

    GC SOFTWARE SOLUTION LIMITED COMPANY

    4.0(3K)
    Free
    90% similar
    Get on App Store

    Why it's similar

    Email for Hotmail & Outlook manages Outlook, Hotmail, iCloud, and Office 365 accounts in one inbox with IMAP and POP3 support, sharing Outlook's multi-account email core. Both let you handle several mailboxes from one app focused on inbox control and privacy.

    How it differs

    This is a third-party client built around Outlook accounts, lacking Outlook's built-in calendar, contacts, and Microsoft 365 integration. At 4.06 stars across about 2,700 ratings, it is smaller and lower-rated. It handles Outlook mail but not Outlook's full productivity experience.

    See full data on Email for Hotmail & Outlook →
  9. 9Email for Hotmail, Outlook icon

    #9Email for Hotmail, Outlook

    Hoang Huu Thang

    4.0(2.3K)
    Free · IAP
    86% similar
    Get on App Store

    Why it's similar

    Email for Hotmail, Outlook matches Microsoft Outlook on core function and category fit. Embedding similarity score: 86%.

    How it differs

    Distinguishes on monetization (free download with in-app purchases) and editorial focus. Rated 4.0 stars across 2.3K reviews.

    See full data on Email for Hotmail, Outlook →
  10. 10MailBuzzr for Outlook icon

    #10MailBuzzr for Outlook

    Aversys Mobile

    4.1(518)
    Free
    86% similar
    Get on App Store

    Why it's similar

    MailBuzzr manages Hotmail and Outlook accounts in a unified inbox with smart notifications by sender or priority and one-tap account switching, sharing Outlook's multi-account email core. Both let you handle several mailboxes from one fast, clean app.

    How it differs

    MailBuzzr is a third-party client focused on Outlook and Hotmail mail, lacking Outlook's built-in calendar, contacts, and Microsoft 365 integration. At 4.11 stars across about 500 ratings, it is small and lower-rated. It handles Outlook email but not the full Outlook suite.

    See full data on MailBuzzr for Outlook →

See how Microsoft Outlook and these apps ranked on past days with the free App Store rank history tool.

How we ranked these 10 alternatives

Embedding similarity

Every app in our database carries a dense vector embedding derived from its title, subtitle, full description, and category metadata. To find apps similar to Microsoft Outlook, we compute cosine distance against every other app and keep the closest 30. The similarity score shown on each pick is 1 - distance/2 clamped to [0,1] — 100% means the embedding spaces are identical, 0% means orthogonal.

Ranking

Apps from Microsoft Outlook's own developer are left out. The 10 most similar of the rest are ordered by App Store rating times the logarithm of their rating count, so a 4.8-star app with 100,000 ratings ranks above a 4.5-star app with 200 ratings.

Data dates

The similar-app list was computed on May 25, 2026. Ratings are the latest US App Store fetch for each app, taken between October 28, 2026 and November 7, 2026. Prices and update dates come from Apple when the page is built.

What we don't do

No paid placements. No affiliate links. No sponsored picks. Read our full methodology.

Frequently asked questions

What is the best alternative to Microsoft Outlook?+
Mail by Apple has the strongest App Store rating of the 10 apps here: 4.6 stars from 4,538,120 US ratings on November 1, 2026.
Which app is most like Microsoft Outlook?+
Email for Hotmail & Outlook is the closest match: its App Store listing is 90% similar to Microsoft Outlook's by text embedding.
Are there free Microsoft Outlook alternatives?+
Yes. 9 of the 10 apps are free to download on the App Store: Mail, Email - Edison Mail, Blue Mail - Email | Calendar, Mail App for Outlook, Email Client - Boomerang Mail, Airmail for Gmail Outlook Mail, Email for Hotmail & Outlook, Email for Hotmail, Outlook, MailBuzzr for Outlook.

Keep exploring app alternatives

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