# Fathomwerx Summit App vs Usiminas

The clearest difference is update cadence: Fathomwerx Summit App at every 2 days against Usiminas's every 2 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.

Fathomwerx Summit App ships an update every 2 days, Usiminas every 2 months. The most recent releases landed on December 19, 2025 and October 27, 2026 respectively.

## The numbers

| Metric | Fathomwerx Summit App | Usiminas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 54 MB | 47 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naval Information Warfare Center](https://appshunter.io/developer/1531122712) | [Usinas Siderúrgicas de Minas Gerais S.A.](https://appshunter.io/developer/623394808) |

## What reviewers say

### Fathomwerx Summit App

[App page](https://appshunter.io/ios/app/fathomwerx-summit-app/id1639400409)

**Features:** macOS Compatibility

**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 Fathomwerx Summit App free?

Fathomwerx Summit App is free to download, with no in-app purchases.

### Is Usiminas free?

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

### Do Fathomwerx Summit App or Usiminas have ads?

Neither Fathomwerx Summit App nor Usiminas shows ads.

### Which is updated more often, Fathomwerx Summit App or Usiminas?

Fathomwerx Summit App ships an update every 2 days, and Usiminas every 2 months. Most recently, Fathomwerx Summit App was updated on December 19, 2025 and Usiminas on October 27, 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.*