# PowerMaster vs WinPower View

The clearest difference is iOS requirement: PowerMaster at 12.0 against WinPower View's 15.1. 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.

PowerMaster ships an update every 4 months, WinPower View every 6 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PowerMaster | WinPower View |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | — | Free |
| Size | 52 MB | 20 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cyber Energy Co., Ltd.](https://appshunter.io/developer/1463752550) | [Santak Electronic (Shenzhen) Co.,Ltd.](https://appshunter.io/developer/1262241635) |

## What reviewers say

### PowerMaster

[App page](https://appshunter.io/ios/app/powermaster/id1463752551)

**Features:** macOS Compatibility

**In-app purchases:** none


### WinPower View

[App page](https://appshunter.io/ios/app/winpower-view/id1524611863)

Monitor the status of UPS devices synchronized with an IoT Cloud server. This client application provides real-time data viewing for your uninterruptible power supply systems.

**Highlights:** Monitor UPS device status, Synchronize with IoT Cloud server, Real-time data viewing, Client application functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PowerMaster free?

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

### Is WinPower View free?

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

### Do PowerMaster or WinPower View have ads?

Neither PowerMaster nor WinPower View shows ads.

### Which is updated more often, PowerMaster or WinPower View?

PowerMaster ships an update every 4 months, and WinPower View every 6 months. Most recently, PowerMaster was updated on October 11, 2026 and WinPower View on October 2, 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.*