# WANJIN ESS vs Mr. Power

WANJIN ESS and Mr. Power are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WANJIN ESS ships an update every 6 months, Mr. Power every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | WANJIN ESS | Mr. Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Size | 24 MB | 198 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) | [Shenzhen ACT Industrial Co., Ltd.](https://appshunter.io/developer/1778611541) |

## What reviewers say

### WANJIN ESS

[App page](https://appshunter.io/ios/app/wanjin-ess/id6478657145)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mr. Power

[App page](https://appshunter.io/ios/app/mr-power/id6737965330)

**In-app purchases:** none


## Frequently asked questions

### Is WANJIN ESS free?

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

### Is Mr. Power free?

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

### Do WANJIN ESS or Mr. Power have ads?

Neither WANJIN ESS nor Mr. Power shows ads.

### Which is updated more often, WANJIN ESS or Mr. Power?

WANJIN ESS ships an update every 6 months, and Mr. Power every 4 months. Most recently, WANJIN ESS was updated on October 25, 2026 and Mr. Power on October 25, 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.*