# aTrust vs Usiminas

The clearest difference is iOS requirement: Usiminas at 11.0 against aTrust's 13.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | aTrust | Usiminas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (26 ratings)](https://appshunter.io/ios/app/atrust/id1536711104/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 6.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 125 MB | 47 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SANGFOR Technologies Company Limited](https://appshunter.io/developer/434027842) | [Usinas Siderurgicas de Minas Gerais S.A.](https://appshunter.io/developer/623394808) |

## What reviewers say

### aTrust

[App page](https://appshunter.io/ios/app/atrust/id1536711104)

This app provides core security capabilities for digital transformation based on a zero trust architecture. It offers SPA protection, adaptive authentication, and dynamic endpoint environment detection to safeguard enterprises and institutions from complex internal threats.

**Highlights:** Zero trust architecture, SPA protection, Adaptive authentication, Dynamic endpoint detection, App access verification, Permission baselines, Dynamic access control

**Features:** Vision Pro support

**In-app purchases:** none


### Usiminas

[App page](https://appshunter.io/ios/app/usiminas-extranet-mobile/id1662385060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is aTrust free?

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

### Is Usiminas free?

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

### Do aTrust or Usiminas have ads?

Neither aTrust nor Usiminas shows ads.

### Which is updated more often, aTrust or Usiminas?

aTrust ships an update every 2 months, and Usiminas every 2 months. Most recently, aTrust was updated on September 22, 2026 and Usiminas on September 12, 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.*