# Swiss Securium® vs Quantum UC

The clearest difference is iOS requirement: Swiss Securium® at 11.0 against Quantum UC's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Swiss Securium® ships an update every 6 weeks, Quantum UC monthly. The most recent releases landed on October 16, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Swiss Securium® | Quantum UC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 70 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALPEIN Software SWISS AG](https://appshunter.io/developer/963505468) | [Zen exim Pvt Ltd](https://appshunter.io/developer/995150047) |

## What reviewers say

### Swiss Securium®

[App page](https://appshunter.io/ios/app/swiss-securium/id955408265)

This secure messaging platform facilitates encrypted instant messaging, group chats, and audio/video calls for businesses. It requires registration on the corporate platform and offers features like secret chats and file transfer, all hosted in a secure Swiss data center.

**Highlights:** Encrypted instant messaging, Group chats up to 200 users, Secure audio and video calls, Secret chats with Off-the-Record protocol, File transfer, Multi-account support, Touch & Face ID support

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum UC

[App page](https://appshunter.io/ios/app/quantum-uc/id6744737750)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Swiss Securium® free?

Swiss Securium® is free to download, with no in-app purchases.

### Is Quantum UC free?

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

### Do Swiss Securium® or Quantum UC have ads?

Neither Swiss Securium® nor Quantum UC shows ads.

### Which is updated more often, Swiss Securium® or Quantum UC?

Swiss Securium® ships an update every 6 weeks, and Quantum UC monthly. Most recently, Swiss Securium® was updated on October 16, 2026 and Quantum UC 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.*