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.




79+ iOS apps curated and reviewed
Instant PGP is the household name in kleopatra, but it's far from the only option. We track 79+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.6★ (49) | No | No | Aug 2026 | |
| 2 | Free | 4.8★ (47K) | No | Yes | Sep 2026 | |
| 3 | Free | 3.9★ (20) | No | Yes | Aug 2026 | |
| 4 | Free | 4.7★ (3.5K) | No | Yes | Sep 2026 | |
| 5 | Free | 2.8★ (4) | No | No | Sep 2026 | |
| 6 | Free | — | No | No | May 2026 | |
| 7 | Free | — | No | No | Aug 2026 | |
| 8 | Free | 4.4★ (30) | No | No | Aug 2026 |




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.






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.




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.


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.


Securely encrypt and decrypt messages directly on your device. Manage your PGP keys locally without any server interaction or data tracking. Offers robust key generation and import/export options with a clean interface.






Securely encrypt and decrypt text messages using a secret key. Easily copy and paste encrypted content to share across different applications.




Securely store private notes, passwords, and logs with end-to-end encryption. This app offers local encryption, Face ID/PIN protection, and an intuitive interface for easy data safeguarding. Keep your personal information private and accessible only to you.




This app simplifies PGP encryption for iOS users, allowing easy sending and receiving of encrypted emails and files. It supports the OpenPGP standard, key management, and various import methods for keys and messages.


This email app streamlines your life with an intelligent inbox that organizes events, tasks, and package tracking. It offers AI-powered summaries, composition assistance, and quick actions to save you time and keep you in control.




This app simplifies PGP encryption for users on their iPhone. It allows for key generation, secure message and file encryption/decryption, digital signing, and hardware security key integration. All features are available for free.




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.


This app unifies email, calendar, tasks, contacts, and notes into a single, AI-enhanced platform. It offers advanced features typically found on desktop, including instant message translation and robust encryption, for seamless management of multiple accounts on your iPhone and iPad.


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.

