# PV Master vs ViewPower

The clearest difference is rating: PV Master at 2.0 against ViewPower's 1.0. PV Master also leads on update cadence (every 2 months vs every 11 months) and review sentiment (14% vs 0%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PV Master holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 14% of PV Master's written reviews are positive against 0% of ViewPower's.

PV Master ships an update every 2 months, ViewPower every 11 months. The most recent releases landed on September 13, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | PV Master | ViewPower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/pv-master/id833350487/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/viewpower/id1502213017/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **13.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 74 MB | 19 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GoodWe Technologies Co., Ltd.](https://appshunter.io/developer/833350490) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### PV Master

[App page](https://appshunter.io/ios/app/pv-master/id833350487)

This configuration tool connects to specific energy storage inverters via Wi-Fi or Bluetooth. It assists installers in setting up energy storage systems.

**Highlights:** Configure energy storage inverters, Wi-Fi direct connection, Bluetooth connection, Local configuration, Installation assistance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ViewPower

[App page](https://appshunter.io/ios/app/viewpower/id1502213017)

Monitor device status, configure settings, and receive important notifications. Record historical device data for review. This utility app helps manage device operations effectively.

**Highlights:** Display device status, Configure device settings, Receive warning/alarm notifications, Record device data history

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PV Master free?

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

### Is ViewPower free?

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

### Which has better reviews, PV Master or ViewPower?

PV Master is rated higher. PV Master averages 2.0 out of 5 from 3 ratings, while ViewPower averages 1.0 from 1 ratings.

### Do PV Master or ViewPower have ads?

Neither PV Master nor ViewPower shows ads.

### Which is updated more often, PV Master or ViewPower?

PV Master ships an update every 2 months, and ViewPower every 11 months. Most recently, PV Master was updated on September 13, 2026 and ViewPower on August 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.*