PV Master vs Solar Guardian
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Configure energy storage inverters
- Wi-Fi direct connection
- Bluetooth connection
- Local configuration
- Installation assistance
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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.
Solar Guardian
Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.
- 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
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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
Verdict
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
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.
| Parameter | PV Master | Solar Guardian |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (3 ratings) | 2.4 (16 ratings) — better |
| Positive reviews | 13.8% of reviews | 17.2% of reviews — better |
| Number of ratings | 3 | 16 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 74 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | GoodWe Technologies Co., Ltd. | BEIJING EPSOLAR TECHNOLOGY CO., LTD. |
Customer experience
PV Master
Solar Guardian
In-app purchases
PV Master
No in-app purchases
Solar Guardian
No in-app purchases









