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Best Email Client Apps

174+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Spark Mail is the household name in email client, but it's far from the only option. We track 174+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Email Client

Spark Mail: AI Email Assistant#1

Spark Mail: AI Email Assistant by Readdle Technologies Limited

Smart Inbox & Mail Assistant
Editor's Choice
📊 Productivity
4.6😊(82K ratings)
FreeAdsIn-App Purchases
Spark Mail: AI Email Assistant screenshot 1
Spark Mail: AI Email Assistant screenshot 2
Spark Mail: AI Email Assistant screenshot 3
Spark Mail: AI Email Assistant screenshot 4
Spark Mail: AI Email Assistant screenshot 5
Spark Mail: AI Email Assistant screenshot 6

Streamline your email and calendar management with an AI-powered assistant. Organize multiple accounts, declutter your inbox with smart sorting, and use AI to draft replies, summarize threads, and manage your schedule efficiently.

What We Love

  • 🚀 Excellent email management features
  • 👍 Clean and intuitive user interface
  • 📂 Effective email organization and categorization
  • ⏱️ Efficient workflow with snooze, scheduling, and templates

Room to Improve

  • 🐛 Occasional sync and stability issues
  • 🔒 Concerns over privacy and data usage
  • 💰 Aggressive push for paid subscription
Microsoft Outlook#2

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Strong Contender
📊 Productivity
4.8😐(9M ratings)
FreeAdsIn-App Purchases
#9in 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
Email - Edison Mail#3

Email - Edison Mail by Edison Software Inc.

No more Spam - Inbox Zero
Worth Considering
📊 Productivity
4.5😐(78K ratings)
FreeIn-App Purchases
Email - Edison Mail screenshot 1
Email - Edison Mail screenshot 2
Email - Edison Mail screenshot 3
Email - Edison Mail screenshot 4
Email - Edison Mail screenshot 5
Email - Edison Mail screenshot 6

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.

What We Love

  • 🚀 Fast and responsive
  • 👍 Intuitive and user-friendly interface
  • 🔒 Secure with Face ID support
  • 📦 Helpful package tracking and delivery updates

Room to Improve

  • 🐛 Unreliable notifications and email sync issues
  • 🔄 Frequent app crashes and freezes
  • 🔍 Inconsistent search and filtering functionality

More Email Client apps to explore

4
eM Client
eM Client
eM Client
Secure e-mail app
Free

This app unifies email, calendar, tasks, contacts, and notes into a single, AI-enhanced platform. It offers advanced features typically found on desktop, including instant message translation and robust encryption, for seamless management of multiple accounts on your iPhone and iPad.

AI-enhanced email drafting and repliesUnified inbox for email, calendar, tasks, contacts, and notesInstant message translation
📊 Productivity
(37)
free
5
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
(44K)
free with in-app purchases
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
Email Client - Boomerang Mail
Email Client - Boomerang Mail
Email Client - Boomerang Mail
Gmail, Outlook E-mail Triage
Free

Manage all your email accounts in one place with features like read receipts, scheduled sending, and AI-powered writing feedback. Quickly schedule meetings directly from your inbox and pause incoming messages when you need to focus.

One-tap calendar schedulingRead receiptsEmail scheduling
📊 Productivity
(4.7K)
free with in-app purchases
8
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
9
Mail: Email, Cloud, Calendar
Mail: Email, Cloud, Calendar
Mail: Email, Cloud, Calendar
Tackle your inbox email!
Free

This app consolidates email, calendar, notes, and cloud storage into a single platform. It offers AI-powered email summarization, vacation planning, customizable notifications, and translation features. Manage multiple email accounts and organize newsletters efficiently.

Unified inbox for multiple email accountsAI-powered email summarizationSmart calendar with vacation planner
📊 Productivity
(60K)
free with in-app purchases
10
Blue Mail - Email | Calendar
Blue Mail - Email | Calendar
Blue Mail - Email | Calendar
AI-Powered, Fast & Secure
Free

Manage all your email accounts from various providers in one unified, ad-free inbox. This app offers AI-powered writing assistance, an integrated calendar, and advanced spam management for enhanced productivity.

Unified inbox for multiple email accountsAI-powered email writing and summarizationIntegrated calendar with event management
💼 Business
(10K)
free with in-app purchases
11
Yahoo Mail: Your Email & Inbox
Yahoo Mail: Your Email & Inbox
Yahoo Mail: Your Email & Inbox
Secure, Fast, Simple
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
12
Canary Mail – AI Email
Canary Mail – AI Email
Canary Mail – AI Email
Read Receipts, Unified Inbox
Free

This app unifies multiple email accounts into a single inbox, offering AI assistance for drafting, replying, and summarizing messages. It includes features like read receipts, email tracking, and advanced organizational tools to streamline your communication.

Unified inbox for multiple accountsAI Copilot for drafting and summarizingRead receipts and email tracking
📊 Productivity
(8.7K)
freemium
13
Mail
Mail
Mail
by Apple Distribution International
Free

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.

Unified inbox for multiple accountsAutomatic message categorizationPriority Messages and summarization
📊 Productivity
(4M)
free
14
Superhuman Mail
Superhuman Mail
Superhuman Mail
The most productive email app
Free

This email application streamlines inbox management with AI-powered drafting and summarization. It helps users prioritize important messages, schedule emails for optimal delivery, and collaborate with teams through shared email views and integrated CRM tools. Save time and improve responsiveness with advanced features.

AI email draftingAutomatic email summarizationCustomizable inbox triage
📊 Productivity
(3.5K)
free with in-app purchases
15
Airmail for Gmail Outlook Mail
Airmail for Gmail Outlook Mail
Airmail for Gmail Outlook Mail
Your Mail With You
Free

This powerful mail client offers a streamlined inbox experience with extensive customization options. It supports multiple email accounts and integrates seamlessly with other apps and services for enhanced productivity. Enjoy features like snoozing, interactive notifications, and iCloud sync for a unified workflow across devices.

Support for multiple email accounts (Gmail, Outlook, IMAP, POP3)Customizable swipes and interactive push notificationsSnooze and bulk editing of messages
📊 Productivity
(4K)
free with in-app purchases
16
Zoho Mail - Email and Calendar
Zoho Mail - Email and Calendar
Zoho Mail - Email and Calendar
More than just an inbox
Free

This app provides secure business email and calendar management on the go. It offers a unified inbox for multiple accounts, offline access, and advanced privacy features. Collaborate seamlessly with colleagues and manage your schedule efficiently.

Unified inbox for multiple accountsOffline email accessEnd-to-end encryption
📊 Productivity
(8K)
free with in-app purchases
17
Chuck – Smarter Email with AI
Chuck – Smarter Email with AI
Chuck – Smarter Email with AI
AI Email Cleanup & Unsubscribe
Free

This app offers a fast and private way to manage your inbox. It uses on-device AI to help you clean up thousands of emails, unsubscribe from lists, and organize your communications across multiple accounts. It functions as a full email client with smart notifications.

AI-powered batch email processingBulk delete, archive, and unsubscribeConnect multiple email accounts
📊 Productivity
(15K)
freemium
18
Email Client App
Email Client App
Email Client App
Manage your Mailbox
Free

Streamline your email management with intuitive swipe gestures for archiving or deleting messages. Quickly preview emails, snooze them for later, and undo any mistakes. Aim for inbox zero and maintain a clean, organized mailbox.

Swipe to archive or deleteEmail previewSnooze emails
🔧 Utilities
(438)
free with in-app purchases
19
Tuta: Encrypted Private Email
Tuta: Encrypted Private Email
Tuta: Encrypted Private Email
Secure, Ad Free Mail Client
Free

Secure your communications with an encrypted email service offering end-to-end encryption for emails and contacts. Enjoy features like anonymous registration, an ad-free experience, and a free encrypted calendar. Protect your privacy with a service developed and hosted in Germany.

End-to-end encryptionAnonymous registrationAd-free experience
📊 Productivity
(3.3K)
freemium
20
VK Mail: secure email client
VK Mail: secure email client
VK Mail: secure email client
For Gmail, Yahoo, Rambler
Free

A secure and minimalistic email client that consolidates all your email accounts in one place. It offers smart sorting, custom filters, and an unsubscribe wizard to manage your inbox efficiently. Enjoy reliable protection with powerful spam filters and customizable login security.

Consolidate all email accountsSmart inbox sortingCustomizable filters
📊 Productivity
(853)
ad-supported

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