# Qlavis vs Phai

The clearest difference is update cadence: Qlavis at every 4 days against Phai's every 3 weeks. Phai's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Qlavis ships an update every 4 days, Phai every 3 weeks. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Qlavis | Phai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/qlavis-post-quantum-messenger/id6757257934/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 64 MB | 55 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Qlavis, Inc.](https://appshunter.io/developer/1865642998) | [Lukas Reisinger](https://appshunter.io/developer/1846104467) |

## What reviewers say

### 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


### Phai

[App page](https://appshunter.io/ios/app/phai-messenger-ai-chatbot/id6778764972)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qlavis free?

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

### Is Phai free?

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

### Do Qlavis or Phai have ads?

Neither Qlavis nor Phai shows ads.

### Which is updated more often, Qlavis or Phai?

Qlavis ships an update every 4 days, and Phai every 3 weeks. Most recently, Qlavis was updated on October 19, 2026 and Phai on October 28, 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.*