# YOLANESS Powout vs Zeliox ZAI4

The clearest difference is update cadence: YOLANESS Powout at every 2 months against Zeliox ZAI4's every 7 months. Zeliox ZAI4's advantage is iOS requirement (12.0 vs 14.0). 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.

YOLANESS Powout ships an update every 2 months, Zeliox ZAI4 every 7 months. Both last shipped on September 7, 2026.

## The numbers

| Metric | YOLANESS Powout | Zeliox ZAI4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 39 MB | 34 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Topband Battery Co., Ltd](https://appshunter.io/developer/1652857769) | [Zeliox](https://appshunter.io/developer/1478320738) |

## What reviewers say

### YOLANESS Powout

[App page](https://appshunter.io/ios/app/yolaness-powout/id6445813966)

**In-app purchases:** none


### Zeliox ZAI4

[App page](https://appshunter.io/ios/app/zeliox-zai4/id6737747373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YOLANESS Powout free?

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

### Is Zeliox ZAI4 free?

Zeliox ZAI4 is free to download, with no in-app purchases.

### Do YOLANESS Powout or Zeliox ZAI4 have ads?

Neither YOLANESS Powout nor Zeliox ZAI4 shows ads.

### Which is updated more often, YOLANESS Powout or Zeliox ZAI4?

YOLANESS Powout ships an update every 2 months, and Zeliox ZAI4 every 7 months. Most recently, YOLANESS Powout was updated on September 7, 2026 and Zeliox ZAI4 on September 7, 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.*