Best Pgp Key Apps

194+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated June 2026

Looking for free pgp key apps? 19 of our 194+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Pgp Key Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Instant PGPInstant PGPFree3.4★ (36)NoNoJul 2026
2Keywave.Keywave.FreeNoNoJul 2026
3Easy PGPEasy PGPFree3.9★ (20)NoYesJul 2026
4Proton Mail - Encrypted EmailProton Mail - Encrypted EmailFree4.8★ (45K)NoYesJul 2026
5KryptoVaultKryptoVaultFree3.3★ (7)NoNoMay 2026
6Tuta Mail: Secure EmailTuta Mail: Secure EmailFree4.7★ (3.4K)NoYesJul 2026
7PGP EverywherePGP Everywhere$4.992.6★ (47)NoNoJul 2026
8One PGPOne PGPFreeNoNoMay 2026

Top Picks for Pgp Key

Instant PGP#1

Instant PGP by Igor Fedotov

ASCII Armor tools
Editor's Choice
🔧 Utilities
3.4(36 ratings)
Free
Instant PGP screenshot 1
Instant PGP screenshot 2
Instant PGP screenshot 3
Instant PGP screenshot 4

Easily manage your PGP keys for secure communication. Generate, import, and export public and private keys in ASCII format. Encrypt, decrypt, sign, and validate messages with robust PGP functionality.

Easy PGP#3

Easy PGP by Sabri BASOGLU

EasyPGP - Secure Encryption
Worth Considering
🔧 Utilities
3.9(20 ratings)
FreeIn-App Purchases
Easy PGP screenshot 1
Easy PGP screenshot 2
Easy PGP screenshot 3
Easy PGP screenshot 4

This app provides robust PGP encryption and decryption for mobile devices. It allows users to generate, import, and export keys, encrypt and decrypt messages, and digitally sign and verify content, all while operating completely offline for maximum privacy.

More Pgp Key apps to explore

4
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
5
KryptoVault
KryptoVault
KryptoVault
by Samuel Gonzalez
Free

Manage your GPG/OpenPGP keys and encrypted emails directly from your mobile device. Import existing keys or generate new ones, and stay productive by reading and writing encrypted messages on the go.

GPG/OpenPGP email managementRead and write encrypted emailsImport existing keys
📊 Productivity
(7)
free
6
Tuta Mail: Secure Email
Tuta Mail: Secure Email
Tuta Mail: Secure 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
(3.4K)
freemium
7
PGP Everywhere
PGP Everywhere
PGP Everywhere
Encryption suite. Use anywhere
$4.99

This app provides a comprehensive PGP encryption suite for iOS, allowing users to encrypt and decrypt messages and files directly within any application. It offers a keyboard extension for text input and an action extension for file handling, enhancing security across your mobile device.

Encrypt/decrypt files anywhereEncrypt/decrypt/sign/verify textGenerate RSA Key Pairs
🔧 Utilities
(47)
paid
8
One PGP
One PGP
One PGP
by Deltecs InfoTech Pvt. Ltd.
Free
💼 Business
(0)
9
SecureMyEmail
SecureMyEmail
SecureMyEmail
Encrypt ANY Email Address
Free

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
(33)
free with in-app purchases
10
Mews Digital Key
Mews Digital Key
Mews Digital Key
Open doors and share keys
Free

This app allows hotel guests to use their iPhone as a digital key to access their rooms after completing online check-in. It bypasses the need to visit the reception desk, enabling guests to go directly to their room upon arrival.

Digital room keyOnline check-in integrationSkip hotel reception
✈️ Travel
(0)
free
11
Google Smart Lock
Google Smart Lock
Google Smart Lock
by Google
Free

Securely log in to websites and apps using your phone's built-in security key or a physical Bluetooth key. It simplifies access by remembering your passwords and offering a more convenient sign-in experience.

Use phone as security keyUse Bluetooth security keyPassword saving
🔧 Utilities
(573)
free with in-app purchases
12
Chuck – Email with Superpowers
Chuck – Email with Superpowers
Chuck – Email with Superpowers
Email Management, Supercharged
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
13
Auto-Key | Music key detection
Auto-Key | Music key detection
Auto-Key | Music key detection
Music key and scale detection
Free

Instantly identify the musical key and scale of any audio source, from studio tracks to live instruments and vocals. Seamlessly sync detected keys with your computer's Digital Audio Workstation (DAW) for enhanced music production.

Real-time key detectionDiatonic key identificationAudio capture from speakers, instruments, or voice
🎵 Music
(87)
free
14
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
RSA Authenticator (SecurID)
by RSA Security
Free

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

Multi-Factor Authentication (MFA)Passwordless Security with PasskeysOne-Time Passcodes (OTP)
💼 Business
(319)
free
15
Keycafe
Keycafe
Keycafe
Share Your Keys
Free

This app facilitates secure key management for various organizations and individuals. It integrates with smart lockboxes to control access, track usage, and verify users in real-time. It's useful for businesses needing to grant temporary access and for individuals participating in the sharing economy.

Control access to keys by minuteProvide anytime access to staff/guestsComplete access history tracking
✈️ Travel
(330)
free with in-app purchases
16
HC Key
HC Key
HC Key
HC Key
Free

This app allows you to use your smartphone to unlock doors, eliminating the need for physical credentials. It offers an easy-to-use interface for swift access and enables temporary access for visitors.

Unlock doors with smartphoneReplace physical credentialsEasy user registration
📊 Productivity
(70)
ad-supported
17
PGP NFC
PGP NFC
PGP NFC
by Ryan Curry
Free

Explore the principles of Public Key Cryptography through interactive lessons using NDEF NFC chips. This educational tool provides a hands-on approach to understanding complex encryption concepts.

Learn Public Key CryptographyHands-on NFC chip interactionInteractive lessons
📚 Education
(3)
free
18
Yubico Authenticator
Yubico Authenticator
Yubico Authenticator
2FA with YubiKey
Free

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

Hardware-backed security key storageTouch or NFC authenticationUSB-C support
📊 Productivity
(268)
free
19
Everykey
Everykey
Everykey
No more Passwords or Keys
Free

This app transforms your devices into proximity-based smart keys for automatic logins and authentication. It securely manages passwords, generates strong credentials, and offers touch-free multi-factor authentication. Ideal for individuals and businesses seeking streamlined, secure access across platforms.

Proximity-based smart keyAutomatic online account loginTouch-free multi-factor authentication
📊 Productivity
(196)
free
20
Auto Key Max
Auto Key Max
Auto Key Max
Remote Car Key Programmer
Free

This application provides remote car key programming for a wide range of vehicle makes and models. It supports programming for Ford, Dodge, GM, Honda, Mazda, Nissan, Toyota, Mitsubishi, Suzuki, Subaru, Hyundai, and Kia vehicles up to recent model years.

Remote car key programmingSupports Ford/Lincoln up to 2023Supports Dodge/Jeep/Chrysler up to 2021
🔧 Utilities
(9)
free

FAQ about Pgp Key

What are the best pgp key apps for iPhone?
Instant PGP tops our pgp key apps ranking as of June 2026, with a 3.4-star average from 36 App Store ratings, and it's free to download.
Yes — 19 of the top pgp key apps we rank are free to download, including Instant PGP and Keywave..
Instant PGP has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 194+ pgp key apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Instant PGP allows you to manage your PGP keys and perform various encryption-related tasks. You can generate, import, and export your public and private PGP keys in ASCII format. It also enables you to encrypt and sign cleartext messages, decrypt PGP messages, and validate PGP signed messages.
The app's core features include the ability to generate new PGP keys, import existing ones, and export them for backup or use elsewhere. It also supports encrypting messages for secure transmission, decrypting received PGP messages, and verifying the authenticity of signed messages.