# OneSource Mobile Application vs Usiminas

The clearest difference is update cadence: Usiminas at every 2 months against OneSource Mobile Application's every 4 months. Usiminas also leads on iOS requirement (11.0 vs 16.0). 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.

OneSource Mobile Application ships an update every 4 months, Usiminas every 2 months. The most recent releases landed on July 26, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | OneSource Mobile Application | Usiminas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/onesource-mobile-application/id835150825/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 70 MB | 47 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PerkinElmer U.S LLC](https://appshunter.io/developer/1678313202) | [Usinas Siderurgicas de Minas Gerais S.A.](https://appshunter.io/developer/623394808) |

## What reviewers say

### OneSource Mobile Application

[App page](https://appshunter.io/ios/app/onesource-mobile-application/id835150825)

Streamline laboratory instrument service requests and management. Scan instrument tags to log issues, view upcoming service events, and track instrument history. Customize your view with favorites and follow instruments for real-time updates.

**Highlights:** Log new service requests via QR code scan, Attach photos, videos, and files to requests, View upcoming service events and history, Detailed instrument information and system view, Follow instruments for push notifications, Manage EH&S data for instruments, Request new instruments and update data

**Features:** macOS Compatibility, 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 OneSource Mobile Application free?

OneSource Mobile Application is free to download, with no in-app purchases.

### Is Usiminas free?

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

### Do OneSource Mobile Application or Usiminas have ads?

Neither OneSource Mobile Application nor Usiminas shows ads.

### Which is updated more often, OneSource Mobile Application or Usiminas?

OneSource Mobile Application ships an update every 4 months, and Usiminas every 2 months. Most recently, OneSource Mobile Application was updated on July 26, 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.*