Best Mailbox Apps

247+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated September 2026

Whether you're new to mailbox or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Mailbox Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MailMailFree4.6★ (4.4M)NoNoSep 2026
2Microsoft OutlookMicrosoft OutlookFree4.8★ (9.2M)YesYesSep 2026
3Gmail - Email by GoogleGmail - Email by GoogleFree4.7★ (2.4M)YesYesSep 2026
4USPS Mobile®USPS Mobile®Free4.8★ (1.6M)NoNoSep 2026
5Google SlidesGoogle SlidesFree4.7★ (410K)NoNoSep 2026
6Yahoo Mail: Your Email & InboxYahoo Mail: Your Email & InboxFree4.7★ (4.8M)YesYesSep 2026
7Email - Edison MailEmail - Edison MailFree4.5★ (78K)NoYesSep 2026
8Google DocsGoogle DocsFree4.8★ (3.2M)NoYesSep 2026

Top Picks for Mailbox

Mail#1

Mail by Apple

Editor's Choice
📊 Productivity
4.6😐(4.4M ratings)
Free
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Mail screenshot 2
Mail screenshot 3

Consolidate all your email accounts into a single, organized inbox. Prioritize important messages, quickly respond with smart replies, and manage your inbox efficiently with features like scheduling and snoozing. Enjoy enhanced privacy with IP address hiding and read receipt prevention.

What We Love

  • 🚀 Efficient email management
  • 🔒 Secure and private
  • 👍 Simple and intuitive interface
  • 💡 Useful categorization of emails

Room to Improve

  • 🐛 Inconsistent swipe gestures
  • 🐛 Unreliable search function
  • 🐛 Emails disappearing or not syncing properly
  • 🐛 Slow email download and loading times
  • 🐛 Buggy performance after updates
Microsoft Outlook#2

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Strong Contender
📊 Productivity
4.8😐(9.2M ratings)
FreeAdsIn-App Purchases
#10in Productivity
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Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

What We Love

  • 🚀 Great for corporate email
  • 👍 Customizable and user-friendly
  • 🚀 Seamless integration with Microsoft 365
  • 👍 Solid email and calendar functionality

Room to Improve

  • 🐛 Buggy and unstable at times
  • 🔋 High battery consumption
  • 🔒 Security issues with password resets
  • 👎 Limited file attachment options
Gmail - Email by Google#3

Gmail - Email by Google by Google

Secure, fast & organized email
Worth Considering
📊 Productivity
4.7😐(2.4M ratings)
FreeAdsIn-App Purchases
#3in Productivity
Gmail - Email by Google screenshot 1
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This application provides a secure and efficient email experience with advanced features like spam blocking, smart replies, and multi-account support. It integrates with other Google services for enhanced productivity and collaboration.

What We Love

  • 🚀 Efficient email management
  • 👍 Easy to use interface
  • 🔒 Secure and reliable
  • 😊 Positive user experience overall

Room to Improve

  • 🐛 Bugs and glitches
  • 💡 Lacking advanced features
  • 🔒 Security concerns
  • 🔋 Drains battery quickly

More Mailbox apps to explore

FAQ about Mailbox

What are the best mailbox apps for iPhone?
Mail tops our mailbox apps ranking as of September 2026, with a 4.6-star average from 4.4M App Store ratings, and it's free to download.
Yes — 19 of the top mailbox apps we rank are free to download, including Mail and Microsoft Outlook.
Mail has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 247+ mailbox apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This application allows you to access, view, and manage messages from all your email accounts in one centralized location. It offers features to organize your inbox, prioritize important emails, and manage your correspondence efficiently.
Key features include a unified inbox for multiple providers like iCloud, Gmail, and Outlook, automatic message categorization, intelligent prioritization with 'Priority Messages', quick responses via 'Smart Reply', and inbox management tools like scheduling emails, snoozing, and unsending.

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