Comparison

SolarViewer vs Solar Guardian

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

Head to head

★ 2.416 ratingsView app →

About

SolarViewer

Features

Read full description

PV interverter monitoring APP to monitor PV plant and PV inverter meter/parameters, provide local/remote setting.

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

SolarViewer2 screens

Solar Guardian4 screens

Verdict

The call

The clearest difference is iOS requirement: SolarViewer at 8.0 against Solar Guardian's 13.0. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

SolarViewer ships an update every 5 weeks, Solar Guardian every 2 months. The most recent releases landed on September 6, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 9 level

SolarViewer versus Solar Guardian: the parameters behind the verdict, then further details
Parameter	SolarViewer	Solar Guardian
Price	Free	Free
Rating	—	2.4 (16 ratings) — better
Positive reviews	—	17.2% of reviews
Number of ratings	—	16 — better
Update frequency	Every 5 weeks — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	8.0 — better	13.0
Further details — not scored
Size	36 MB	84 MB
Age rating	4+	4+
Developer	AsianPowerDevicesInc	BEIJING EPSOLAR TECHNOLOGY CO., LTD.

In-app purchases

None

SolarViewer

No in-app purchases

None

Solar Guardian

No in-app purchases

Questions

Is SolarViewer free?

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

Is Solar Guardian free?

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

Do SolarViewer or Solar Guardian have ads?

Neither SolarViewer nor Solar Guardian shows ads.

Which is updated more often, SolarViewer or Solar Guardian?

SolarViewer ships an update every 5 weeks, and Solar Guardian every 2 months. Most recently, SolarViewer was updated on September 6, 2026 and Solar Guardian on September 17, 2026.