# PV Master vs Solar Guardian

The clearest difference is rating: Solar Guardian at 2.4 against PV Master's 2.0. Solar Guardian also leads on ratings volume (16 vs 3). On price, review sentiment, update cadence and ads there is nothing between them.

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

Solar Guardian holds the better App Store score, 2.4 against 2.0. That said, the two scores are not equally well evidenced: Solar Guardian has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 14% of PV Master's written reviews are positive against 17% of Solar Guardian's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PV Master | Solar Guardian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/pv-master/id833350487/reviews) | **[2.4 (16 ratings)](https://appshunter.io/ios/app/solar-guardian/id6443552259/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 13.8% of reviews | **17.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 74 MB | 84 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GoodWe Technologies Co., Ltd.](https://appshunter.io/developer/833350490) | [BEIJING EPSOLAR TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1330876646) |

## 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


### Solar Guardian

[App page](https://appshunter.io/ios/app/solar-guardian/id6443552259)

Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.

**Highlights:** Data display for solar systems, Parameter setting for inverters, Supports grid-tie inverters, Hybrid inverter management, Energy storage system monitoring, Home and mobile energy storage control

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

**In-app purchases:** none


## Frequently asked questions

### Is PV Master free?

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

### Is Solar Guardian free?

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

### Which has better reviews, PV Master or Solar Guardian?

Solar Guardian is rated higher. PV Master averages 2.0 out of 5 from 3 ratings, while Solar Guardian averages 2.4 from 16 ratings.

### Do PV Master or Solar Guardian have ads?

Neither PV Master nor Solar Guardian shows ads.

### Which is updated more often, PV Master or Solar Guardian?

PV Master ships an update every 2 months, and Solar Guardian every 2 months. Most recently, PV Master was updated on September 13, 2026 and Solar Guardian on September 17, 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.*