Comparison

PV Master vs Solar Guardian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PV Master

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
Read full description

This app is renamed by PV Master, which is a configuration tool for the GoodWe energy storage inverter products. It can locally configure storage inverter via Wi-Fi direct or bluetooth connection. It helps the installer to complete the installation of an energy storage system.

About

Solar Guardian

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
Read full description

Solar Guardian is a new application with the core function of data display and parameter setting for inverters, solar chargers, grid-tie inverters, hybrid inverters, energy storage systems, N+1 hybrid systems, home energy storage and mobile energy storage.

Screenshots

PV Master3 screens
Solar Guardian4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
PV Master versus Solar Guardian: the parameters behind the verdict, then further details
ParameterPV MasterSolar Guardian
PriceFreeFree
Rating2.0 (3 ratings)2.4 (16 ratings) — better
Positive reviews13.8% of reviews17.2% of reviews — better
Number of ratings316 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size74 MB84 MB
Age rating4+4+
DeveloperGoodWe Technologies Co., Ltd.BEIJING EPSOLAR TECHNOLOGY CO., LTD.

Customer experience

PV Master

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews29 reviews
Positive13.8%
Neutral3.4%
Negative82.8%

Solar Guardian

All ratings16 ratings
Positive25.0%
Neutral12.5%
Negative62.5%
Written reviews29 reviews
Positive17.2%
Neutral17.2%
Negative65.5%

In-app purchases

None

PV Master

No in-app purchases

None

Solar Guardian

No in-app purchases

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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