# Post Quantum Secure Chat vs Ghostr

The clearest difference is in-app purchases: Ghostr at none against Post Quantum Secure Chat's 2. Post Quantum Secure Chat's advantage is update cadence (every 11 days vs every 4 weeks). 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. Ghostr asks for nothing beyond the download.

Post Quantum Secure Chat ships an update every 11 days, Ghostr every 4 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Post Quantum Secure Chat | Ghostr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Size | 35 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zincirx](https://appshunter.io/developer/6816670621) | [Kristina Ariskina](https://appshunter.io/developer/1709382549) |

## 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 |


### Ghostr

[App page](https://appshunter.io/ios/app/ghostr-encrypted-messenger/id6766973747)

**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 Ghostr free?

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

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

Neither Post Quantum Secure Chat nor Ghostr shows ads.

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

Post Quantum Secure Chat ships an update every 11 days, and Ghostr every 4 weeks. Most recently, Post Quantum Secure Chat was updated on October 30, 2026 and Ghostr on October 29, 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.*