Best Free Email Secure Apps

247+ iOS apps curated and reviewed

4.3 avg rating

20 free apps

Updated October 2026

Atomic Mail is the household name in free email secure, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Free Email Secure Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Atomic Mail: Private Email	Free	4.4★ (256)	No	Yes	Oct 2026
2	Egress Secure Mail	Free	4.3★ (288)	No	Yes	Oct 2026
3	Mail – Organized Email	Free	—	Yes	No	Sep 2026
4	temp mail - 1secmail	Free	4.0★ (1)	No	No	May 2026
5	Encrypted Email - Mailfence	Free	3.8★ (76)	No	No	Oct 2026
6	Email - Edison Mail	Free	4.5★ (79K)	No	Yes	Oct 2026
7	Temp Mail - Encrypted Email AI	Free	5.0★ (4)	No	Yes	Oct 2026
8	Email Aqua Mail Secure Client	Free	4.5★ (279)	No	Yes	Oct 2026

Top Picks for Free Email Secure

#1

Atomic Mail: Private Email by Atomic Mail

Secure & Encrypted Mail

Editor's Choice

📊 Productivity

4.4(256 ratings)

FreeIn-App Purchases

Atomic Mail: Private Email screenshot 1

Atomic Mail: Private Email screenshot 2

Atomic Mail: Private Email screenshot 3

Atomic Mail: Private Email screenshot 4

Atomic Mail: Private Email screenshot 5

Atomic Mail: Private Email screenshot 6

This secure email application prioritizes user privacy with advanced encryption, zero-access architecture, and robust spam protection. It offers a fast, modern client for personal and business use, without trackers, profiling, or data selling.

#2

Egress Secure Mail by Egress Software Technologies Ltd

Integrated data security

Strong Contender

4.3😞(288 ratings)

FreeIn-App Purchases

Egress Secure Mail screenshot 1

Egress Secure Mail screenshot 2

Egress Secure Mail screenshot 3

Egress Secure Mail screenshot 4

Egress Secure Mail screenshot 5

Egress Secure Mail screenshot 6

Securely send and receive emails on the go with advanced encryption and access control. Protect sensitive data while staying productive, with features like email revocation and audit trails.

What We Love

🚀 Fast and efficient
🔒 Secure communication
👍 Easy to use

Room to Improve

🐛 Crashes and freezes
🔍 Difficult to access messages
🤔 Confusing and complicated
🔌 Compatibility issues
🕰️ Time-consuming to use

#3

Mail – Organized Email by Shiyal Akash

Email - Fast & Secure Mail

Worth Considering

📊 Productivity

0.0(0 ratings)

FreeAds

Mail – Organized Email screenshot 1

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More Free Email Secure apps to explore

temp mail - 1secmail

temp mail - 1secmail

temp mail - 1secmail

Instant, Secure & Spam-Free

Create and manage temporary, disposable email addresses instantly. Protect your privacy and avoid spam with anonymous inboxes that disappear after use. Ideal for online registrations and secure browsing.

Disposable email addressesInstant inbox creationSpam avoidance

🌐 Social Networking

Encrypted Email - Mailfence

Encrypted Email - Mailfence

Encrypted Email - Mailfence

Secure & private mail suite

This app provides a secure and private email service with integrated cloud storage, calendar, and contacts. It offers end-to-end encryption and password-protected emails for enhanced privacy. Ideal for individuals and businesses seeking a secure communication and collaboration platform.

OpenPGP encrypted emailsPassword-protected emailsIntegrated cloud storage (Drive)

📊 Productivity

Email - Edison Mail

Fast, secure & organized inbox

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

free with in-app purchases

Temp Mail - Encrypted Email AI

Temp Mail - Encrypted Email AI

Temp Mail - Encrypted Email AI

email generator bulk temp mail

Instantly create temporary, anonymous email addresses to protect your real inbox from spam and unwanted messages. Receive emails and attachments securely, and easily delete or generate new addresses as needed.

Instant email address generationReceive emails and attachmentsSecure and anonymous

Email Aqua Mail Secure Client

Email Aqua Mail Secure Client

Email Aqua Mail Secure Client

Smart Inbox & IMAP Mailbox App

Consolidate all your email accounts into a single, secure inbox. This app offers smart features like a unified inbox, conversation view, and quick unsubscribe options to enhance productivity and protect your privacy.

Unified inbox for multiple accountsSmart inbox organizationPrivacy and security focused

Tuta Mail: Secure Email

Tuta Mail: Secure Email

Tuta Mail: Secure Email

Encrypted Private Inbox

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

Blue Mail - Email | Calendar

Blue Mail - Email | Calendar

Blue Mail - Email | Calendar

AI-Powered, Fast & Secure

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

free with in-app purchases

Citrix Secure Mail

Citrix Secure Mail

Citrix Secure Mail

by Citrix Systems, Inc.

Manage multiple email accounts, calendars, and contacts securely on your mobile device. This robust solution integrates with business tools and offers advanced security features for enterprise or BYOD environments, protecting personal data.

Multiple Exchange account supportPhishing email reportingEmail attachment folder

Microsoft Outlook

Microsoft Outlook

Microsoft Outlook

Secure Email, Calendar & Files

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

free with in-app purchases

NeoCertified Secure Email

NeoCertified Secure Email

NeoCertified Secure Email

Secure Email Encryption

Fastmail – Email & Calendar

Fastmail – Email & Calendar

Fastmail – Email & Calendar

Privacy-first email with more

Manage your email, contacts, and calendar with a privacy-focused service. Offers powerful search, inbox decluttering tools, and customizable gestures for efficient communication. Seamlessly syncs across devices and supports open standards.

Offline access to emailPowerful search with refinementInbox decluttering tools

📊 Productivity

Proton Mail - Encrypted Email

Proton Mail - Encrypted Email

Proton Mail - Encrypted Email

Fast, private, secure inbox

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

free with in-app purchases

Encrypt ANY Email Address

Easily encrypt any email address with military-grade, end-to-end encryption. Send secure messages and attachments to anyone, even if they don't use the app. Features include self-destructing messages and HIPAA/GDPR compliance.

PGP email encryption for any addressEnd-to-end encrypted email and attachmentsSelf-destructing ephemeral messages

📊 Productivity

free with in-app purchases

Professional Business Email

Manage your business email efficiently with this app. It offers a fast, intuitive interface with instant syncing across devices. Enjoy smart security features like 2FA and data encryption in an ad-free environment.

Seamless business email managementSmart security with 2FA and encryptionIntuitive design and instant sync

📊 Productivity

myMail box: email client app

myMail box: email client app

myMail box: email client app

E-mail for Gmail, Hotmail, AOL

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

free with in-app purchases

Safe Mail for Gmail Free : secure and easy email mobile app with Touch ID to access multiple Gmail and Google Apps inbox accounts

Safe Mail for Gmail Free : secure and easy email mobile app with Touch ID to access multiple Gmail and Google Apps inbox accounts

Safe Mail for Gmail Free : secure and easy email mobile app with Touch ID to access multiple Gmail and Google Apps inbox accounts

by MinhMobileDev

This app provides a secure and user-friendly way to manage multiple Gmail and Google Apps accounts. It offers Touch ID and passcode protection for enhanced privacy, allowing quick access and switching between inboxes without repeated password entry.

Touch ID supportManage multiple Gmail/Google Apps accountsQuick account switching

Safe email client for Gmail

A secure email client for Gmail offering robust protection with Touch/Face ID and passcode. It features customizable message viewing, anti-phishing measures, and in-app browsing. Easily insert text snippets, signatures, and manage attachments.

Touch/Face ID and Passcode protectionAnti-phishing with undisguised URL displayIn-app browsing or external browser options

🌐 Social Networking

free with in-app purchases

FAQ about Free Email Secure

What are the best free email secure apps for iPhone?

Atomic Mail: Private Email tops our free email secure apps ranking as of October 2026, with a 4.4-star average from 256 App Store ratings, and it's free to download.

Does Atomic Mail: Private Email have ads or in-app purchases?

Atomic Mail: Private Email has no ads and offers in-app purchases, according to its App Store listing as of October 2026.

How many free email secure apps are on the App Store?

We track 247+ free email secure apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.