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Best Optimum Email Apps

206+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.5★, the optimum email category is one of the App Store's strongest. Browse all 206+ apps we track, sorted so the most loved ones surface first.

Top Picks for Optimum Email

Mail#1

Mail by Apple Inc.

Editor's Choice
📊 Productivity
4.7😐(4M ratings)
Free
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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
My Optimum#2

My Optimum by CSC Holdings, Inc.

Strong Contender
📊 Productivity
4.3😞(74K ratings)
Free
#71in Productivity
My Optimum screenshot 1
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My Optimum screenshot 4
My Optimum screenshot 5

Manage your internet service and WiFi network from your phone. Troubleshoot issues, optimize speeds, and pay bills easily. Personalize your home network experience and monitor device usage.

What We Love

  • 🚀 Easy troubleshooting
  • 👍 Improved UI design
  • 📊 Helpful WiFi management
  • 🔥 Great app overall

Room to Improve

  • 🐛 Frequent technical issues
  • 🤔 Missing key features
  • 🤯 Frustrating customer service
Optimum#3

Optimum by CSC Holdings, Inc.

Turn every screen into a TV.
Worth Considering
🎬 Entertainment
4.5😞(28K ratings)
Free
Optimum screenshot 1
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Stream live TV, manage DVR recordings, and explore an extensive On Demand library on any screen. This app offers a sleek interface for easy content discovery and allows for picture-in-picture viewing while browsing. It's designed for Optimum Video subscribers to enjoy their favorite programs anywhere, anytime.

What We Love

  • 🚀 Fast app startup
  • 👍 Sleek and modern interface
  • 🔒 Robust security features

Room to Improve

  • 🐛 Frequent freezing and crashes
  • 👎 Difficult to navigate and use
  • 🔍 Lack of customization options

More Optimum Email apps to explore

4
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
5
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
6
Mailim
Mailim
Mailim
Fast & Secure E-mail Provider
Free

This email service provides secure and professional solutions for both individual users and businesses. It offers free features for personal use and domain-specific options for companies.

Free professional email solutionsDomain-specific business solutionsSecure email service
📊 Productivity
(21)
free
7
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
8
mail.com - email & cloud
mail.com - email & cloud
mail.com - email & cloud
Mailbox for storage & mail
Free

Manage your emails and cloud storage from a single app. Receive instant notifications for new messages and access your contacts and documents on the go. Secure your account with PIN or biometric authentication.

Unified inbox for all email addresses2GB cloud storagePush notifications
📊 Productivity
(103K)
free with in-app purchases
9
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
10
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
11
Google Chrome
Google Chrome
Google Chrome
Rapide et sécurisé, par Google
Free

This web browser offers fast and secure internet access, integrating Google Search and Lens for quick information retrieval. It provides robust security features like enhanced protection and password management, and syncs your data across devices for seamless browsing.

Fast and secure browsingGoogle Search and Lens integrationEnhanced protection mode
🔧 Utilities
(3.6M)
free with in-app purchases
12
Twobird
Twobird
Twobird
Inbox and tasks
Free

This app integrates your email inbox with task management, notes, and calendar events. It helps you focus on important items, clear out clutter, and manage your day without switching between multiple applications.

Unified inbox for email and tasksIntegrated notes and checklistsReal-time collaboration on notes
📊 Productivity
(432)
free
13
MailTime: AI Email Inbox
MailTime: AI Email Inbox
MailTime: AI Email Inbox
Gmail, Outlook, Yahoo Inbox
Free

This app transforms your email inbox into a streamlined, chat-like experience. It integrates multiple email accounts and uses AI to help you draft replies, proofread messages, and manage conversations efficiently. Enjoy a clutter-free inbox and communicate as easily as sending a text message.

SMS-style email conversationsAI-powered email repliesProofread, shorten, expand messages
📊 Productivity
(96)
free with in-app purchases
14
Boxer - Workspace ONE
Boxer - Workspace ONE
Boxer - Workspace ONE
Omnissa Workspace ONE
Free

Manage email, calendar, and contacts efficiently with customizable tools like swipe gestures and quick replies. This app offers a modern, intuitive interface designed for professionals to boost productivity on the go. It also includes features for seamless conference call dialing and robust data security.

Unified email, calendar, and contactsCustomizable swipe gesturesQuick reply templates
💼 Business
(77K)
free
15
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
16
MailBuzzr for Outlook
MailBuzzr for Outlook
MailBuzzr for Outlook
Email for Hotmail and Outlook
Free

Manage all your Hotmail and Outlook accounts in one fast, beautifully designed app. Get smart notifications, organize emails with tags and filters, and undo actions easily. Enjoy a frustration-free email experience with an elegant interface and custom themes.

Unified inbox for multiple accountsSmart notifications with customizable alertsQuick email preview and undo actions
📊 Productivity
(520)
free with in-app purchases
17
InstAddr
InstAddr
InstAddr
Instant Email Address
Free

Create and manage multiple disposable email addresses for free. Use them for various purposes without worrying about spam or privacy. Addresses are permanent and can be accessed across devices.

Create unlimited disposable email addressesPermanent email addressesSend, reply, and forward emails
🔧 Utilities
(848)
free with in-app purchases
18
Missive - Email, Chat & Tasks
Missive - Email, Chat & Tasks
Missive - Email, Chat & Tasks
by Heliom Inc.
Free

This app helps teams manage shared inboxes, collaborate on emails, and organize conversations. It offers features like canned responses, collaborative writing, and task assignment directly within the inbox, streamlining team communication and workflow.

Shared inboxesEmail and chat collaborationTask assignment
💼 Business
(94)
freemium
19
All Email : Ai Mail
All Email : Ai Mail
All Email : Ai Mail
All Email Access
Free

Consolidate all your email accounts, including Outlook and Hotmail, into a single, beautifully designed interface. This app offers quick access, intuitive actions, and advanced security for managing multiple mailboxes efficiently on your phone, tablet, or smartwatch.

Supports all major email servicesUnified inbox for multiple accountsBeautifully designed interface
📊 Productivity
(1)
free with in-app purchases
20
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