# OptimalHR vs HOU Driver

The clearest difference is update cadence: HOU Driver at every 2 days against OptimalHR's every 3 weeks. HOU Driver also leads on iOS requirement (13.0 vs 15.6). 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.

OptimalHR ships an update every 3 weeks, HOU Driver every 2 days. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OptimalHR | HOU Driver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 43 MB | 58 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DIGITAL CONTENTS CREATOR CO., LTD.](https://appshunter.io/developer/1524412827) | [Vectorasoft Co., Ltd.](https://appshunter.io/developer/1639347147) |

## What reviewers say

### OptimalHR

[App page](https://appshunter.io/ios/app/optimalhr/id1658929462)

**In-app purchases:** none


### HOU Driver

[App page](https://appshunter.io/ios/app/hou-driver/id6446265766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OptimalHR free?

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

### Is HOU Driver free?

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

### Do OptimalHR or HOU Driver have ads?

Neither OptimalHR nor HOU Driver shows ads.

### Which is updated more often, OptimalHR or HOU Driver?

OptimalHR ships an update every 3 weeks, and HOU Driver every 2 days. Most recently, OptimalHR was updated on September 30, 2026 and HOU Driver on September 19, 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.*