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Best Onmail Apps

192+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Looking for free onmail apps? 20 of our 192+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Onmail Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Email - Edison MailEmail - Edison MailFree4.5★ (78K)NoYesJul 2026
2Mail: Email, Cloud, CalendarMail: Email, Cloud, CalendarFree4.7★ (60K)YesNoJun 2026
3OneMail - Email by NouvelwareOneMail - Email by NouvelwareFree4.4★ (283)YesYesJul 2026
4mail.com - email & cloudmail.com - email & cloudFree4.7★ (104K)YesYesJul 2026
5Proton Mail - Encrypted EmailProton Mail - Encrypted EmailFree4.8★ (45K)NoYesJul 2026
6EmileEmileFree5.0★ (1)NoNoMay 2026
7myMail box: email client appmyMail box: email client appFree4.4★ (17K)YesNoJul 2026
8HEY EmailHEY EmailFree4.7★ (4.3K)NoNoJul 2026

Top Picks for Onmail

Email - Edison Mail#1

Email - Edison Mail by Edison Software Inc.

No more Spam - Inbox Zero
Editor's Choice
📊 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
Mail: Email, Cloud, Calendar#2

Mail: Email, Cloud, Calendar by VK LLC

Tackle your inbox email!
Strong Contender
📊 Productivity
4.7😊(60K ratings)
FreeAds
Mail: Email, Cloud, Calendar screenshot 1
Mail: Email, Cloud, Calendar screenshot 2
Mail: Email, Cloud, Calendar screenshot 3
Mail: Email, Cloud, Calendar screenshot 4

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.

What We Love

  • 🚀 Fast and efficient
  • 👍 User-friendly interface
  • 🔒 Secure email service
  • 💡 Useful features like spam filtering

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 💬 Lack of language support
  • 📢 Intrusive advertising
OneMail - Email by Nouvelware#3

OneMail - Email by Nouvelware by Nouvelware SARL

Fast and Secure email app
Worth Considering
📊 Productivity
4.4😐(283 ratings)
FreeAdsIn-App Purchases
OneMail - Email by Nouvelware screenshot 1
OneMail - Email by Nouvelware screenshot 2
OneMail - Email by Nouvelware screenshot 3
OneMail - Email by Nouvelware screenshot 4
OneMail - Email by Nouvelware screenshot 5
OneMail - Email by Nouvelware screenshot 6

This app consolidates multiple email accounts into a single, organized inbox. It offers features like colored account tags, email grouping by date, and a dark mode for enhanced readability. Users can manage folders, filter emails by category, and customize actions for a streamlined email experience.

What We Love

  • 👍 Clean, simple, and easy-to-use interface
  • 🎨 Customizable appearance and dark mode support
  • 📧 Unified inbox for multiple email accounts
  • ⚡ Lightweight app with small digital footprint

Room to Improve

  • 🐛 Frequent crashes and unexpected closures
  • ⏱️ Slow email download and refresh speeds
  • 🔌 Stability issues across multiple iOS versions

More Onmail apps to explore

4
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
(104K)
free with in-app purchases
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
(45K)
free with in-app purchases
6
Emile
Emile
Emile
by Hachette Livre
Free

Explore Paris through literary descriptions of its landmarks. Receive notifications with short excerpts when you're near a described location, with options to read or listen. This free, collaborative app invites users to contribute new texts.

Location-based literary excerptsRead or listen to descriptionsDiscover Parisian landmarks
🌟 Lifestyle
(1)
free
7
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
8
HEY Email
HEY Email
HEY Email
Email at its best, by Basecamp
Free

This email client streamlines your inbox with features like call-like screening for senders, grouped message organization, and a unified attachment library. It offers unique ways to read emails, manage receipts, and protect your privacy from trackers.

Screen senders like callsNaturally grouped messagesRead multiple emails at once
📊 Productivity
(4.3K)
subscription
9
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Teamspace & mail for business
Free

This AI-powered app transforms your email into a messenger-like experience for professionals and teams. It streamlines inbox management with smart summaries, AI-assisted replies, and one-tap actions. Collaborate seamlessly with team chat, shared inboxes, and integrated tools.

AI-powered email summariesAI-assisted reply draftingInstant email translation
📊 Productivity
(4.3K)
free with in-app purchases
10
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
11
Microsoft Outlook
Microsoft Outlook
Microsoft Outlook
Secure Email, Calendar & Files
Free

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.

Unified inbox for multiple email accountsSmart inbox sortingQuick swipe actions
📊 Productivity
(9.1M)
free with in-app purchases
12
Mail
Mail
Mail
by Apple
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
13
Instantly AI
Instantly AI
Instantly AI
Manage your Unibox
Free

This app provides on-the-go email management. Read replies, quickly respond or forward messages, and search your inbox using various filters.

Read emails on the goQuickly reply to emailsForward emails
📊 Productivity
(32)
free
14
Temp Mail - Temporary Mail Box
Temp Mail - Temporary Mail Box
Temp Mail - Temporary Mail Box
Temporary Email & Recoverable
Free

Generate instant disposable temporary email addresses to protect your privacy and avoid spam. Receive, read, and manage incoming messages without registration. Control expiration times and enjoy enhanced security with premium options.

Generate disposable temporary email addressesNo registration requiredReceive and manage incoming emails
📊 Productivity
(324)
freemium
15
Cleanfox - Email Cleaner
Cleanfox - Email Cleaner
Cleanfox - Email Cleaner
Block & Delete Unwanted Email
Free

This app helps you declutter your inbox by deleting unwanted emails and unsubscribing from newsletters with a simple swipe. It organizes your subscriptions, identifies senders filling your inbox, and offers powerful spam protection. Recover accidentally deleted emails and even plant trees by referring friends.

Delete thousands of emails with one tapUnsubscribe from unwanted newslettersOrganize subscriptions in one place
📊 Productivity
(26K)
free with in-app purchases
16
Unroll.Me - Email Cleanup
Unroll.Me - Email Cleanup
Unroll.Me - Email Cleanup
Clean your inbox & block spam
Free

Tired of a cluttered inbox? This app helps you easily unsubscribe from unwanted email subscriptions, block spam, and organize your mail. It provides a clear overview of all your subscriptions, allowing you to manage them individually or in bulk.

View all subscription emailsBlock unwanted emailsKeep desired emails
📊 Productivity
(130K)
free
17
GMX - Mail & Cloud
GMX - Mail & Cloud
GMX - Mail & Cloud
Reliable and safe
Free

Manage your email, cloud storage, and news in one convenient app. Features a smart inbox that automatically categorizes emails for better organization and a secure cloud for file backup and sharing. Enjoy customizable push notifications and PIN protection for enhanced security.

Smart Inbox for automatic email categorizationSecure cloud storage for file backup and sharingCustomizable push notifications
📊 Productivity
(17K)
free with in-app purchases
18
Яндекс Почта
Яндекс Почта
Яндекс Почта
Удобно, Быстро и без Спама
Free

A secure and efficient email client with built-in translation and document scanning. Manage multiple accounts, unsubscribe from unwanted lists, and even conduct video meetings directly within the app. Offers offline access and robust spam protection.

Built-in translatorDocument scannerOffline email access
📊 Productivity
(12K)
free with in-app purchases
19
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
20
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

FAQ about Onmail

What are the best onmail apps for iPhone?
Email - Edison Mail tops our onmail apps ranking as of June 2026, with a 4.5-star average from 78K App Store ratings, and it's free to download.
Yes — 20 of the top onmail apps we rank are free to download, including Email - Edison Mail and Mail: Email, Cloud, Calendar.
Email - Edison Mail has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 192+ onmail apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Edison Mail is an independent email application designed to help users manage their inboxes more efficiently. It allows you to connect an unlimited number of email accounts, offers a unified inbox view, and provides features to speed up email fetching and searching for important information like bills and travel plans.
Key features include a unified inbox for all your email accounts, fast email fetching and searching, one-tap unsubscribe from unwanted senders, sender blocking, customizable swipe actions and templates, and biometric security options like Touch and Face ID. It also offers an optional premium subscription for advanced features.