# USO Client vs b3works

The clearest difference is iOS requirement: USO Client at 9.0 against b3works'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.

USO Client ships an update every 2 months, b3works every 6 weeks. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | USO Client | b3works |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 19 MB | 81 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-Sprint Innovations Pte Ltd](https://appshunter.io/developer/530059572) | [B3 Networks Pte Ltd](https://appshunter.io/developer/1322980713) |

## What reviewers say

### USO Client

[App page](https://appshunter.io/ios/app/uso-client/id689855966)

**In-app purchases:** none


### b3works

[App page](https://appshunter.io/ios/app/b3works/id1475742854)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USO Client free?

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

### Is b3works free?

b3works is free to download, with no in-app purchases.

### Do USO Client or b3works have ads?

Neither USO Client nor b3works shows ads.

### Which is updated more often, USO Client or b3works?

USO Client ships an update every 2 months, and b3works every 6 weeks. Most recently, USO Client was updated on October 10, 2026 and b3works on October 3, 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.*