Best Email Encryption Apps

248+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated November 2026

With an average user rating of 3.9★, the email encryption category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Email Encryption Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Encrypted Email - Proton MailEncrypted Email - Proton MailFree4.8★ (51K)NoYesNov 2026
2Atomic Mail: Private EmailAtomic Mail: Private EmailFree4.5★ (289)NoYesNov 2026
3Bmail — Encrypted EmailBmail — Encrypted EmailFree5.0★ (3)NoYesNov 2026
4Virtru Email ProtectionVirtru Email ProtectionFree2.7★ (65)NoNoOct 2026
5Email - Edison MailEmail - Edison MailFree4.5★ (79K)NoYesNov 2026
6Tuta Mail: Secure EmailTuta Mail: Secure EmailFree4.7★ (3.8K)NoYesNov 2026
7Halonex MailHalonex MailFree——NoJul 2026
8Hermod Mail: Private EmailHermod Mail: Private EmailFree—NoYesOct 2026

Top Picks for Email Encryption

Encrypted Email - Proton Mail#1

Encrypted Email - Proton Mail by Proton AG

Fast, private, secure inbox
Editor's Choice
📊 Productivity
4.8😊(51K ratings)
FreeIn-App Purchases
#71in Productivity
Encrypted Email - Proton Mail screenshot 1
Encrypted Email - Proton Mail screenshot 2
Encrypted Email - Proton Mail screenshot 3
Encrypted Email - Proton Mail screenshot 4
Encrypted Email - Proton Mail screenshot 5
Encrypted Email - Proton Mail screenshot 6

This secure email service offers end-to-end encryption and a private inbox, free from ads and AI training. Protect your communications with robust spam filters and organize your messages with folders and labels. It's a trusted, privacy-focused alternative for managing your email.

What We Love

  • 🚀 Smooth performance
  • 🔒 Excellent security and privacy
  • 👍 Clean and intuitive interface
  • 💡 Expanding ecosystem of Proton services

Room to Improve

  • 🐛 Occasional crashes and bugs
  • ⏱️ Slow email loading times
  • 📝 Lacking advanced email management features
  • 💰 Expensive paid plans
Atomic Mail: Private Email#2

Atomic Mail: Private Email by Atomic Mail

Secure & Encrypted Mail
Strong Contender
📊 Productivity
4.5(289 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.

Bmail — Encrypted Email#3

Bmail — Encrypted Email by VP.NET LLC

E2E encrypted mail, all yours
Worth Considering
📊 Productivity
5.0(3 ratings)
FreeIn-App Purchases
Bmail — Encrypted Email screenshot 1
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Bmail — Encrypted Email screenshot 3
Bmail — Encrypted Email screenshot 4
Bmail — Encrypted Email screenshot 5
Bmail — Encrypted Email screenshot 6

Secure your communications with end-to-end encrypted email, calendar, contacts, and drive. Your data is protected by your keys, not company policy, ensuring privacy and security against unauthorized access. Offers custom domain support and robust authentication methods.

More Email Encryption apps to explore

FAQ about Email Encryption

What are the best email encryption apps for iPhone?
Encrypted Email - Proton Mail tops our email encryption apps ranking as of November 2026, with a 4.8-star average from 51K App Store ratings, and it's free to download.
Yes — 20 of the top email encryption apps we rank are free to download, including Encrypted Email - Proton Mail and Atomic Mail: Private Email.
Encrypted Email - Proton Mail has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ email encryption apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.