# hiup vs Oksygen+

The clearest difference is update cadence: hiup at every 6 weeks against Oksygen+'s every 4 months. hiup also leads on iOS requirement (11.0 vs 15.0). 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.

hiup ships an update every 6 weeks, Oksygen+ every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | hiup | Oksygen+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 18 MB | 49 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [Oksys srl](https://appshunter.io/developer/1563193950) |

## What reviewers say

### hiup

[App page](https://appshunter.io/ios/app/hiup/id1512929543)

This utility app reminds parents not to forget their children in the car, especially when using child seats. It aims to enhance child safety by preventing accidental heatstroke or other dangers.

**Highlights:** Child seat safety reminder, Prevents forgotten children, Designed for car use, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Oksygen+

[App page](https://appshunter.io/ios/app/oksygen-plus/id1563193948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is hiup free?

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

### Is Oksygen+ free?

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

### Do hiup or Oksygen+ have ads?

Neither hiup nor Oksygen+ shows ads.

### Which is updated more often, hiup or Oksygen+?

hiup ships an update every 6 weeks, and Oksygen+ every 4 months. Most recently, hiup was updated on November 3, 2026 and Oksygen+ on October 30, 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.*