# YOUNGDO vs AirScale U+

The clearest difference is iOS requirement: YOUNGDO at 9.0 against AirScale U+'s 11.0. 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.

YOUNGDO ships an update every 3 weeks, AirScale U+ every 5 weeks. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | YOUNGDO | AirScale U+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (24 ratings)](https://appshunter.io/ios/app/youngdo/id1467866412/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 21 MB | 7 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [Zhongshan YESHM Commodities Co., Ltd.](https://appshunter.io/developer/490598244) |

## What reviewers say

### YOUNGDO

[App page](https://appshunter.io/ios/app/youngdo/id1467866412)

This app utilizes ultrasonic vibrations to create a fine, cool mist from water and essential oils. It aims to enhance your environment by promoting relaxation and a sense of well-being. The device is designed to complement home and office decor.

**Highlights:** Ultrasonic vibration technology, Creates nanometer cold fog, Dissolves essential oils, Enhances home and office ambiance, Promotes relaxation and well-being

**In-app purchases:** none


### AirScale U+

[App page](https://appshunter.io/ios/app/airscale-u-plus/id1503328926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YOUNGDO free?

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

### Is AirScale U+ free?

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

### Do YOUNGDO or AirScale U+ have ads?

Neither YOUNGDO nor AirScale U+ shows ads.

### Which is updated more often, YOUNGDO or AirScale U+?

YOUNGDO ships an update every 3 weeks, and AirScale U+ every 5 weeks. Most recently, YOUNGDO was updated on September 28, 2026 and AirScale U+ on September 10, 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.*