Best Inbox Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Whether you're new to inbox or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Inbox 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
4inbox.lvinbox.lvFree4.6★ (221)NoYesSep 2026
5Dropbox: Cloud Storage BackupDropbox: Cloud Storage BackupFree4.8★ (900K)NoYesSep 2026
6CoachSystem - KonnectCoachSystem - KonnectFreeNoNoJul 2026
7InboxDollars: Surveys for CashInboxDollars: Surveys for CashFree4.5★ (224K)YesNoSep 2026
8MessengerMessengerFree4.7★ (14M)YesYesSep 2026

Top Picks for Inbox

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 Inbox apps to explore

FAQ about Inbox

What are the best inbox apps for iPhone?
Mail tops our inbox 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 — 20 of the top inbox 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 250+ inbox 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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