# USO Client vs Tresta

The clearest difference is device support: USO Client at 3 against Tresta's 1. USO Client also leads on iOS requirement (9.0 vs 16.0). 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.

USO Client ships an update every 2 months, Tresta monthly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | USO Client | Tresta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (12 ratings)](https://appshunter.io/ios/app/tresta/id1207868583/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 17.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 19 MB | 38 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [i-Sprint Innovations Pte Ltd](https://appshunter.io/developer/530059572) | [Tresta](https://appshunter.io/developer/1181024586) |

## What reviewers say

### USO Client

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

**In-app purchases:** none


### Tresta

[App page](https://appshunter.io/ios/app/tresta/id1207868583)

This business phone system offers unlimited calling and texting on a dedicated business number, accessible from your smartphone. It provides essential collaboration features to enhance your company's professional image and communication capabilities.

**Highlights:** Unlimited calling, Unlimited texting, Business phone number, Collaboration features, Mobile accessibility

**In-app purchases:** none


## Frequently asked questions

### Is USO Client free?

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

### Is Tresta free?

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

### Do USO Client or Tresta have ads?

Neither USO Client nor Tresta shows ads.

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

USO Client ships an update every 2 months, and Tresta monthly. Most recently, USO Client was updated on October 10, 2026 and Tresta on October 8, 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.*