# hiup vs Phien

The clearest difference is update cadence: Phien at every 11 days against hiup's every 6 weeks. hiup's advantage is iOS requirement (11.0 vs 16.4). 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, Phien every 11 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | hiup | Phien |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 18 MB | 1 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [Thong Quang Vu](https://appshunter.io/developer/1700584615) |

## 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


### Phien

[App page](https://appshunter.io/ios/app/phien/id6479043976)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is hiup free?

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

### Is Phien free?

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

### Do hiup or Phien have ads?

Neither hiup nor Phien shows ads.

### Which is updated more often, hiup or Phien?

hiup ships an update every 6 weeks, and Phien every 11 days. Most recently, hiup was updated on October 10, 2026 and Phien on October 14, 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.*