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Looks great, but the App Store won’t let me download it?!?
Response from developer
Hello. This app requires that you have iOS 26 and above due to use of Secure Enclave API for post-quantum key exchange.
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Lowest price: Free 10 months ago (-100%)
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About
Encrypt any file or message using robust, standards-based cryptography. Keys are generated and stored securely within your device's Secure Enclave, ensuring only you and your intended recipient can access your data. It offers advanced features like post-quantum key sharing and password protection for ultimate privacy.
✓Encrypt any file type (photos, documents, videos)
✓Encrypt messages for secure sharing via any app
✓Keys stored in iPhone's Secure Enclave
✓Post-quantum key sharing (ML-KEM)
✓Optional password protection
✓Authenticated encryption for sender verification
✓Offline functionality, no network required
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What's New in KrypterPQ
3.0.3
November 11, 2026
You can now set a new PIN right after erasing everything with the panic PIN, without reopening the app. Restoring a backup now clears the decrypted data from memory as soon as it has been read. Plus general maintenance.
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FAQ
What is KrypterPQ?
KrypterPQ is a utility app that provides robust, on-device encryption for files and messages. It uses industry-standard cryptographic algorithms and ensures that your encryption keys are generated and stored securely within your iPhone's Secure Enclave.
Does KrypterPQ have ads?
No, KrypterPQ does not have ads. The app is completely free and does not contain any advertisements or paywalls, ensuring an uninterrupted and private user experience.
How secure are the encryption keys in KrypterPQ?
Encryption keys in KrypterPQ are generated and stored exclusively within your iPhone's Secure Enclave, the same secure hardware used for Face ID and Apple Pay. This means the private key cannot be exported, copied, or accessed by anyone, including the app developers.
Can I use KrypterPQ offline?
Yes, KrypterPQ is designed to work fully offline. It does not require any network connections to encrypt or decrypt your files and messages, ensuring your data remains private even without internet access.
What file types can KrypterPQ encrypt?
KrypterPQ allows you to encrypt any file type, including photos, documents, voice memos, and videos. Once encrypted, you can share these files through any messaging app or service, and only the intended recipient with the correct key can decrypt them.
What is post-quantum key sharing in KrypterPQ?
KrypterPQ supports post-quantum key sharing using ML-KEM, a NIST post-quantum standard. This advanced feature ensures that even if future quantum computers are developed, today's encrypted traffic will remain secure, protecting your data from future threats.
How often is KrypterPQ updated?
KrypterPQ was last updated on November 11, 2026, with version 3.0.3. This indicates a commitment to maintaining and improving the app's security features and functionality.
What devices does KrypterPQ support?
KrypterPQ is available on Mac, iPhone, and iPad. This cross-platform compatibility allows you to secure your data across multiple Apple devices.
