# PreVeil vs Usiminas

The clearest difference is iOS requirement: Usiminas at 11.0 against PreVeil's 15.6. 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 October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PreVeil | Usiminas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (34 ratings)](https://appshunter.io/ios/app/preveil/id1164575007/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 72 MB | 47 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PreVeil, Inc.](https://appshunter.io/developer/1164575006) | [Usinas Siderurgicas de Minas Gerais S.A.](https://appshunter.io/developer/623394808) |

## What reviewers say

### PreVeil

[App page](https://appshunter.io/ios/app/preveil/id1164575007)

Securely send encrypted emails and store files with end-to-end encryption. Your data is protected by unique keys, ensuring only you can access it. Integrates with existing email addresses and offers desktop access.

**Highlights:** End-to-end encrypted email, Encrypted file storage and sharing, Uses existing email addresses, Desktop access (Mac/PC), No passwords required, Automatic invitations for new users

**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 PreVeil free?

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

### Is Usiminas free?

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

### Do PreVeil or Usiminas have ads?

Neither PreVeil nor Usiminas shows ads.

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

PreVeil ships an update every 2 months, and Usiminas every 2 months. Most recently, PreVeil was updated on October 24, 2026 and Usiminas on October 16, 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.*