# Post Quantum Secure Chat vs Qlavis

The clearest difference is in-app purchases: Qlavis at none against Post Quantum Secure Chat's 2. Qlavis also leads on update cadence (every 2 days vs every 10 days). Post Quantum Secure Chat's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Post Quantum Secure Chat sells 2 in-app purchases, starting at $4.99 per month. Qlavis asks for nothing beyond the download.

Post Quantum Secure Chat ships an update every 10 days, Qlavis every 2 days. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Post Quantum Secure Chat | Qlavis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/qlavis-post-quantum-messenger/id6757257934/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 35 MB | 64 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1652317997) | [Qlavis, Inc.](https://appshunter.io/developer/1865642998) |

## What reviewers say

### Post Quantum Secure Chat

[App page](https://appshunter.io/ios/app/post-quantum-secure-chat/id6743000247)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

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


### Qlavis

[App page](https://appshunter.io/ios/app/qlavis-post-quantum-messenger/id6757257934)

A secure messaging app offering end-to-end encrypted private chats, voice, and video calls using post-quantum cryptography. It prioritizes user privacy with no phone number or email registration, and features secure rooms for group communication.

**Highlights:** Post-quantum cryptography for all communications, End-to-end encrypted messages, calls, and files, No phone number or email required for registration, Secure group rooms with access control, Optional in-chat cryptocurrency wallet, Screen recording and screenshot protection

**In-app purchases:** none


## Frequently asked questions

### Is Post Quantum Secure Chat free?

Post Quantum Secure Chat is free to download, with in-app purchases available.

### Is Qlavis free?

Qlavis is free to download, with no in-app purchases.

### Do Post Quantum Secure Chat or Qlavis have ads?

Neither Post Quantum Secure Chat nor Qlavis shows ads.

### Which is updated more often, Post Quantum Secure Chat or Qlavis?

Post Quantum Secure Chat ships an update every 10 days, and Qlavis every 2 days. Most recently, Post Quantum Secure Chat was updated on October 4, 2026 and Qlavis on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*