# Post Quantum Secure Chat vs Cord

The clearest difference is in-app purchases: Cord at none against Post Quantum Secure Chat's 2. Cord also leads on update cadence (every 2 days vs every 10 days). Post Quantum Secure Chat's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support 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. Cord asks for nothing beyond the download.

Post Quantum Secure Chat ships an update every 10 days, Cord every 2 days. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Post Quantum Secure Chat | Cord |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 35 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SAYMATIK BILISIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1652317997) | [Mads Schmidt](https://appshunter.io/developer/1857002637) |

## 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 |


### Cord

[App page](https://appshunter.io/ios/app/cord-private-messaging/id6756208297)

**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 Cord free?

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

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

Neither Post Quantum Secure Chat nor Cord shows ads.

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

Post Quantum Secure Chat ships an update every 10 days, and Cord every 2 days. Most recently, Post Quantum Secure Chat was updated on October 21, 2026 and Cord on October 6, 2026.

---

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