Comparison

Retgen vs QC Solar

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

Head to head

About

Retgen

Features

Read full description

Retgen is a Remote Monitoring System for Power Plants. It allows you to monitor real-time production, consumption, inverter outputs, statuses, and many other data of solar power plants (GES), rooftop solar systems, wind power plants (RES), hydroelectric power plants (HES), or biomass power plants, as well as alarm states and faults occurring at the plants. With the Retgen mobile application: *Management Company users can view the following information of the plants they monitor: -Total production -Generated alarms -Work orders (for Management Companies with the work order module enabled) *Investor users can view the following information for their own plants: -List of plants and their total production -Generated alarms

About

QC Solar

Features

Read full description

用于监控微型逆变器的电压、电流、功率、频率、温度等实时数据，可以查看微型逆变器日、月、年的发电情况

Screenshots

Retgen4 screens

QC Solar4 screens

Verdict

The call

The clearest difference is update cadence: Retgen at every 2 weeks against QC Solar's every 3 months. QC Solar's advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support 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

Retgen ships an update every 2 weeks, QC Solar every 3 months. The most recent releases landed on October 30, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 4 level

Retgen versus QC Solar: the parameters behind the verdict, then further details
Parameter	Retgen	QC Solar
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15	13.0 — better
Further details — not scored
Size	34 MB	80 MB
Age rating	4+	17+
Developer	Rast Teknoloji	Suzhou Jiale Information Technology Co., Ltd.

In-app purchases

None

Retgen

No in-app purchases

None

QC Solar

No in-app purchases

Questions

Is Retgen free?

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

Is QC Solar free?

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

Do Retgen or QC Solar have ads?

Neither Retgen nor QC Solar shows ads.

Which is updated more often, Retgen or QC Solar?

Retgen ships an update every 2 weeks, and QC Solar every 3 months. Most recently, Retgen was updated on October 30, 2026 and QC Solar on October 19, 2026.