# The Unique Models vs Sigma VPN

The clearest difference is update cadence: The Unique Models at every 2 months against Sigma VPN's every 3 months. 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.

The Unique Models ships an update every 2 months, Sigma VPN every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The Unique Models | Sigma VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (15 ratings)](https://appshunter.io/ios/app/sigma-vpn/id1524035161/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 30 MB | 37 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Picosoft Engineering Ltd. Şti.](https://appshunter.io/developer/563512303) | [Sigma Telecom LLC](https://appshunter.io/developer/1235040796) |

## What reviewers say

### The Unique Models

[App page](https://appshunter.io/ios/app/the-unique-models/id1518459217)

**In-app purchases:** none


### Sigma VPN

[App page](https://appshunter.io/ios/app/sigma-vpn/id1524035161)

Browse the internet securely and privately with this application. It encrypts your internet traffic and routes it through a secure virtual network to protect your online data. The app features a user-friendly interface and supports multiple devices simultaneously.

**Highlights:** Secure internet browsing, Private online data protection, Encrypted internet traffic, User-friendly interface, Multi-device support

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

**In-app purchases:** none


## Frequently asked questions

### Is The Unique Models free?

The Unique Models is free to download, with no in-app purchases.

### Is Sigma VPN free?

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

### Do The Unique Models or Sigma VPN have ads?

Neither The Unique Models nor Sigma VPN shows ads.

### Which is updated more often, The Unique Models or Sigma VPN?

The Unique Models ships an update every 2 months, and Sigma VPN every 3 months. Most recently, The Unique Models was updated on October 25, 2026 and Sigma VPN on October 24, 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.*