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OpenKeychain

android 6.0.4 10.63MB
Package name org.sufficientlysecure.keychain Version 6.0.4
Size 10.63MB License Free
Author Hardware Security SDK Category Communication
Update on 12/08/2025 Downloads 7

OpenKeychain is a powerful Android app designed to elevate your digital security through OpenPGP encryption. By managing cryptographic keys on your device, it ensures private messaging, email, and file exchanges. Perfect for privacy-conscious users, it integrates seamlessly with popular apps while keeping your data under your control—no third-party clouds or compromises.

Features of OpenKeychain:

🔒 OpenPGP Standard Compliance – Securely encrypts messages and files using the trusted OpenPGP protocol.

📱 App Integrations—Works with K-9 Mail, Conversations, and other tools for streamlined encryption.

🔑 Offline Key Management – Store and organize keys locally, avoiding cloud dependency.

🔍 QR Code & NFC Support – Share keys instantly via QR scans or NFC-enabled devices like YubiKeys.

🛡️ Independent Security Audits – Vetted by Cure53, ensuring robust protection against vulnerabilities.

🌐 Open-Source Transparency – Freely inspect and modify the code, fostering community trust.

Advantages of OpenKeychain:

Zero reliance on centralized servers, giving users full ownership of their encryption keys.

No subscription fees—free to use with optional in-app donations to support developers.

Regular updates address security needs and compatibility with evolving Android ecosystems.

Offline functionality ensures accessibility even without internet connectivity.

Disadvantages of OpenKeychain:

- Steep learning curve for beginners unfamiliar with encryption concepts.

- Limited integrations outside core apps like email and select messengers.

- No cloud backup for keys, requiring manual transfers for device migration.

Development Team

OpenKeychain is maintained by a community-driven team of privacy advocates and developers, backed by the OpenKeychain Initiative. Their commitment to transparency is reinforced by third-party audits, including a rigorous review by cybersecurity firm Cure53.

Competitive Products of OpenKeychain:

ProtonMail – Built-in encryption but restricts users to its platform. OpenKeychain offers flexibility across apps.

Signal—Focuses on messaging with ease but lacks OpenPGP compatibility and decentralized key control.

Market Performance of OpenKeychain:

Rated 4.6/5 on Google Play, it boasts over 500,000 downloads. Users praise its reliability but note the initial setup complexity.

Version Information

Recent updates focus on enhancing QR code scanning speed and fixing NFC compatibility issues with hardware tokens.

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OpenKeychain FAQs

1. How do I download this OpenKeychain
You can see the download button above. Click the download button and wait for the download. The download speed is fast. If you encounter problems during the download process, feel free to consult this site.
2. How do I install this OpenKeychain APK
The first thing you need to do is to make sure that your device allows the installation of third-party files. To check, just go to "Settings" > "Security" > "Unknown Sources" and enable it.
3. Why is the download speed slow?
Maybe your network connection is too slow. You can try switching to another Wi-Fi connection to see if the problem can be solved.
4. Do I need to pay for downloads or other fees?
No, the games and applications on the website are completely free for everyone to use. Just find the APP you need and download it. You can share the website with your friends.