Best Outlook Apps

196+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good outlook apps. We benchmark 196+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Outlook Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.1M)YesYesJul 2026
2MailMailFree4.7★ (4M)NoNoJul 2026
3Microsoft TeamsMicrosoft TeamsFree4.8★ (3.4M)NoYesJul 2026
4Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (663K)NoNoJul 2026
5Mail App for OutlookMail App for OutlookFree4.5★ (5K)NoYesJul 2026
6Gmail - Email by GoogleGmail - Email by GoogleFree4.7★ (2.4M)YesYesJul 2026
7Microsoft OneDriveMicrosoft OneDriveFree4.7★ (486K)NoYesJul 2026
8Microsoft 365 CopilotMicrosoft 365 CopilotFree4.7★ (1.3M)YesYesJul 2026

Top Picks for Outlook

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.1M ratings)
FreeAdsIn-App Purchases
#8in Productivity
Microsoft Outlook screenshot 1
Microsoft Outlook screenshot 2
Microsoft Outlook screenshot 3
Microsoft Outlook screenshot 4
Microsoft Outlook screenshot 5
Microsoft Outlook screenshot 6

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
Mail#2

Mail by Apple

Strong Contender
📊 Productivity
4.7😐(4M ratings)
Free
Mail screenshot 1
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
Microsoft Teams#3

Microsoft Teams by Microsoft Corporation

Call. Chat. Collaborate
Worth Considering
💼 Business
4.8😐(3.4M ratings)
FreeIn-App Purchases
#4in Business
Microsoft Teams screenshot 1
Microsoft Teams screenshot 2
Microsoft Teams screenshot 3
Microsoft Teams screenshot 4
Microsoft Teams screenshot 5
Microsoft Teams screenshot 6

This app brings people together for community activities or work projects. It offers integrated chat, events, meetings, storage, and task management. Connect, collaborate, and get things done securely in one place.

What We Love

  • 🚀 Excellent for video calls and screen sharing
  • 👍 Seamless integration with Office 365
  • 🚀 Smooth switching between devices
  • 👍 Helpful for remote work and collaboration

Room to Improve

  • 🐛 Buggy and glitchy at times
  • 🔋 Drains battery quickly on mobile devices
  • 🔍 Difficult to navigate and find features

More Outlook apps to explore

4
Microsoft Authenticator
Microsoft Authenticator
Microsoft Authenticator
Protects your online identity
Free

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill
📊 Productivity
(663K)
free
5
Mail App for Outlook
Mail App for Outlook
Mail App for Outlook
Inbox Zero Mail Client
Free

This app offers a fast and efficient way to manage your Outlook inbox, focusing on quick triaging and instant message sending/receiving. It prioritizes privacy and utilizes a modern codebase for a seamless experience.

Privacy awareFast email management toolsRich keyboard shortcuts
📊 Productivity
(5K)
subscription
6
Gmail - Email by Google
Gmail - Email by Google
Gmail - Email by Google
Secure, fast & organized email
Free

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.

Robust security & spam blockingReal-time notificationsMultiple account support
📊 Productivity
(2.4M)
free with in-app purchases
7
Microsoft OneDrive
Microsoft OneDrive
Microsoft OneDrive
File & photo cloud storage
Free

Securely store, back up, and sync your photos, videos, and files across all your devices. Share content with others, scan documents, and access files offline. Offers free storage with options to upgrade for more space and premium features.

Automatic photo and video backupFile sharing and managementDocument scanning and editing
📊 Productivity
(486K)
free with in-app purchases
8
Microsoft 365 Copilot
Microsoft 365 Copilot
Microsoft 365 Copilot
AI-powered productivity
Free

This AI-powered app helps you be more productive at work. Chat with an AI assistant to create content, manage projects, find files, and learn new concepts. It offers voice interaction and expert insights for various tasks.

Chat with AI assistantVoice interactionFind files quickly
📊 Productivity
(1.3M)
free with in-app purchases
9
Email for Hotmail & Outlook
Email for Hotmail & Outlook
Email for Hotmail & Outlook
Support Hotmail, Outlook, O365
Free

Streamline your email experience with this app designed for control, privacy, and simplicity. Manage multiple accounts, filter messages, and enjoy real-time notifications. It offers advanced features like custom swipes and secure unlocking to help you achieve more with your inbox.

Unified inbox for multiple accountsAdvanced filtering and searchCustomizable swipe gestures
🔧 Utilities
(2.5K)
free with in-app purchases
10
Email - Edison Mail
Email - Edison Mail
Email - Edison Mail
No more Spam - Inbox Zero
Free

Manage multiple email accounts in one unified inbox. This app offers fast email fetching, smart search for important information, and tools to reduce inbox clutter. It prioritizes privacy and security with features like sender blocking and biometric protection.

Unified inbox for all accountsFast email fetching and searchOne-tap unsubscribe
📊 Productivity
(78K)
free with in-app purchases
11
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Email for Hotmail, Outlook
Support Outlook, Hotmail
Free

Manage your Hotmail, Outlook, Live, and MSN email accounts with a fast, secure, and intuitive app. It offers unified inbox management, push notifications, advanced search, and secure sign-in options for a seamless email experience.

Unified inbox for multiple accountsFast and secure sign-inPush notifications for new emails
🔧 Utilities
(1.4K)
free with in-app purchases
12
Google
Google
Google
Search with AI, Images & Text
Free

This app provides a comprehensive search experience, integrating AI for quick answers and personalized content. It allows you to search using images, voice, or text, and offers features like song identification and real-time translation.

AI Overviews for quick answersImage search with LensHum to Search for song identification
🔧 Utilities
(4.8M)
free with in-app purchases
13
Microsoft Edge
Microsoft Edge
Microsoft Edge
A smarter way to browse
Free

This AI-powered browser integrates a personal assistant to enhance productivity. It helps summarize content, answer questions, and create images using advanced AI models. Customize your browsing with extensions and enjoy enhanced privacy and security features.

AI-powered browsing with CopilotSummarize articles, videos, and PDFsGenerate images with AI
🔧 Utilities
(538K)
free with in-app purchases
14
Microsoft SharePoint
Microsoft SharePoint
Microsoft SharePoint
by Microsoft Corporation
Free

Access organizational files, news, and colleagues on the go. This app uses AI to personalize your experience, helping you find expertise and content quickly. Stay connected with your team and collaborate effectively from anywhere.

Personalized file and news discoveryAI-powered search for content and expertiseAccess team and communication sites
📊 Productivity
(137K)
free
15
Microsoft Excel
Microsoft Excel
Microsoft Excel
Organize Your Data and Budget
Free

This powerful productivity app allows you to create, view, and edit spreadsheets on the go. Manage data, perform calculations, and analyze information with robust formatting and charting tools. Share your work easily with others.

Create, view, and edit spreadsheetsData analysis with charts and graphsBudgeting and accounting tools
📊 Productivity
(1.4M)
free with in-app purchases
16
Yahoo Почта — порядок во всем!
Yahoo Почта — порядок во всем!
Yahoo Почта — порядок во всем!
Быстрая и безопасная почта
Free

This email app streamlines your life with an intelligent inbox that organizes events, tasks, and package tracking. It offers AI-powered summaries, composition assistance, and quick actions to save you time and keep you in control.

Smart Inbox OrganizerAutomated Event & Task PlannerReal-time Package Tracking
📊 Productivity
(4.7M)
free with in-app purchases
17
Microsoft OneNote
Microsoft OneNote
Microsoft OneNote
Capture Notes, Ideas and Memos
Free

Capture thoughts, ideas, and plans in a digital notepad. Organize, search, and secure your notes, memos, and sketches. Sync across devices for access anywhere, anytime. Collaborate with others on shared notepads.

Capture thoughts and ideasDigital sketchbookOrganize and search notes
📊 Productivity
(1.1M)
free with in-app purchases
18
Microsoft Word
Microsoft Word
Microsoft Word
Create a Resume, Essay or PDF
Free

Create, edit, and share documents on your mobile device. This powerful word processor offers templates, formatting tools, and collaborative features to help you write impactful text documents, resumes, and more. Your office moves with you, allowing for seamless editing and sharing from anywhere.

Create and edit documentsModern templatesRich formatting and layout options
📊 Productivity
(2.9M)
free with in-app purchases
19
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Proton Mail - Encrypted Email
Fast, private & secure mail
Free

This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.

End-to-end encryptionPassword-protected emailsMultiple account support
📊 Productivity
(45K)
free with in-app purchases
20
myMail box: email client app
myMail box: email client app
myMail box: email client app
E-mail for Gmail, Hotmail, AOL
Free

Consolidate and manage multiple email accounts from various providers in a single, user-friendly interface. Enjoy customizable notifications, enhanced security features, and efficient search capabilities to streamline your communication.

Unified inbox for multiple email accountsCustomizable push notificationsEmail thread view
📊 Productivity
(17K)
free with in-app purchases

FAQ about Outlook

What are the best outlook apps for iPhone?
Microsoft Outlook tops our outlook apps ranking as of May 2026, with a 4.8-star average from 9.1M App Store ratings, and it's free to download.
Yes — 20 of the top outlook apps we rank are free to download, including Microsoft Outlook and Mail.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 196+ outlook apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This application consolidates all your email accounts and calendars into a single, convenient location. It helps you manage your inbox, schedule meetings, and access files from various cloud storage services. The app also offers AI-powered features to enhance productivity, such as summarizing long email threads and assisting with writing.
Key features include a smart inbox that sorts messages, quick swipe actions for managing emails, easy sharing of meeting availability, and the ability to find contacts and trips. You can also view and attach files from services like OneDrive and Dropbox without downloading them, and edit Office documents directly within the app.

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