# Post Quantum Secure Chat — PQC Chat - Quantum-Safe Chat

> PQC Chat - Quantum-Safe Chat (iPhone/iPad app by SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI.)

- Source: https://appshunter.io/ios/app/post-quantum-secure-chat/id6743000247 (this page in markdown: same URL + `.md`)
- Developer: [SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1652317997)
- Category: Social Networking, Utilities
- Price: Free with in-app purchases (on sale, was $9.99)
- Age rating: 4+
- Requires: iOS 13.0 · 35 MB
- Languages: American English
- Released: 2026-01-27
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/post-quantum-secure-chat/id6743000247/reviews.md

## What is Post Quantum Secure Chat?

Secure messaging for the quantum era.

PQC Chat is the first consumer messaging app built with NIST-standardized post-quantum cryptography. While traditional encryption may be vulnerable to future quantum computers, PQC Chat uses ML-KEM-768 and ML-DSA-44 algorithms to ensure your private conversations remain private — today and tomorrow.

Why Post-Quantum Security Matters

Quantum computers pose a real threat to current encryption standards. Data encrypted today could be stored and decrypted later when quantum computers become powerful enough. PQC Chat protects you against this "harvest now, decrypt later" threat.

Key Features

  • True End-to-End Encryption — Messages are encrypted on your device and can only be read by the intended recipient. Not even we can access your conversations.

  • NIST-Approved Algorithms — Built with ML-KEM-768 for key exchange and ML-DSA-44 for digital signatures, the same standards adopted by governments worldwide.

  • Secure Image Sharing — Photos are encrypted before leaving your device, ensuring complete privacy for all shared media.

  • QR Code Contact Verification — Verify contacts in person by scanning QR codes, preventing man-in-the-middle attacks.

  • Real-Time Messaging — Instant message delivery with read receipts and typing indicators.

  • No Phone Number Required — Create an account without sharing personal information.

  • Cross-Platform — Message friends on any device seamlessly.

  Privacy by Design

  - No message content stored on servers
  - No tracking or analytics
  - No ads, ever
  - Open cryptographic standards

About Post-Quantum Cryptography

PQC Chat implements the Federal Information Processing Standards (FIPS) 203 and 204, published by the National Institute of Standards and Technology (NIST) in August 2024. These represent the gold standard in quantum-resistant cryptography.

Protect your conversations for the future. Download PQC Chat today.

Terms of Use (EULA):
https://pqcnow.com/terms-of-service

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $29.99 | per year |



## Version history (last 5 releases)

### 1.0.20 — 2026-08-18

Find people by their ID.

• Search for contacts by ID (like 96ef7b29) instead of only scanning a QR code
• Share your own ID from Settings so others can add you
• Devices that had fallen back to classical encryption now retry ML-KEM-768
  and upgrade to quantum-safe keys automatically
• Photos and voice notes send reliably again
• Typing indicators now appear in conversations

### 1.0.17 — 2026-04-19

The photo sharing bug has been resolved.

### 1.0.16 — 2026-04-10

• Send encrypted voice messages — record, preview, send. Free users up to 10 seconds, premium up to 60.                                              
 • WhatsApp-style playback with waveform and progress.     
 • Fixed contact-add failures and real-time delivery for voice and images.                                                                            
 • Cleaner permission prompts. Android 15 edge-to-edge support.

### 1.0.15 — 2026-03-30

bug in message syncing and refresh chat has been solved.

### 1.0.14 — 2026-03-18

Bug in rotate keys has been corrected. Now the user keys are updating as the keys are rotated.

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All apps by SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI: https://appshunter.io/developer/1652317997

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*