# Theiserver3 vs US

The clearest difference is iOS requirement: Theiserver3 at 12.0 against US's 15.1. 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 3 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Theiserver3 | US |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 35 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Dayton](https://appshunter.io/developer/377878279) | [United States Freight Exchange Inc.](https://appshunter.io/developer/1802657198) |

## What reviewers say

### Theiserver3

[App page](https://appshunter.io/ios/app/theiserver3/id6480457480)

**Features:** macOS Compatibility

**In-app purchases:** none


### US

[App page](https://appshunter.io/ios/app/us-fex/id6743406522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Theiserver3 free?

Theiserver3 is free to download, with no in-app purchases.

### Is US free?

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

### Do Theiserver3 or US have ads?

Neither Theiserver3 nor US shows ads.

### Which is updated more often, Theiserver3 or US?

Theiserver3 ships an update every 3 weeks, and US every 3 weeks. Most recently, Theiserver3 was updated on October 4, 2026 and US on October 13, 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.*