# Post Quantum Secure Chat vs PGP Messenger

The clearest difference is in-app purchases: PGP Messenger at none against Post Quantum Secure Chat's 2. PGP Messenger also leads on update cadence (every 2 days vs every 10 days). On price, ads, device support and iOS requirement 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. PGP Messenger asks for nothing beyond the download.

Post Quantum Secure Chat ships an update every 10 days, PGP Messenger every 2 days. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Post Quantum Secure Chat | PGP Messenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 35 MB | 35 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1652317997) | [Sandro Meier](https://appshunter.io/developer/1845733575) |

## 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 |


### PGP Messenger

[App page](https://appshunter.io/ios/app/pgp-messenger/id6761775280)

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

**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 PGP Messenger free?

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

### Do Post Quantum Secure Chat or PGP Messenger have ads?

Neither Post Quantum Secure Chat nor PGP Messenger shows ads.

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

Post Quantum Secure Chat ships an update every 10 days, and PGP Messenger every 2 days. Most recently, Post Quantum Secure Chat was updated on October 21, 2026 and PGP Messenger on October 15, 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.*