Comparison

Sumray vs LT Cloud

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

Head to head

Sumray

Smart Energy Management

About

Sumray

Read full description

The application includes functions such as user login and registration, quick creation of plant, quick creation of collectors and distribution networks, viewing of power station summary and details, equipment list and details, work order list and details, alarm list and details, etc. The interface is simple and clear, providing 7x24 hours of data monitoring services.

About

LT Cloud

Read full description

LT Cloud is a mobile energy management platform designed for solar-storage inverters and residential PV systems. It features dual-mode control (remote and local), full-chain data visualization, intelligent energy scheduling, and closed-loop safety alerts. Core functions include device monitoring, parameter configuration, data analytics, fault handling, and revenue management—empowering users to operate their systems efficiently and optimize energy usage.

Screenshots

Sumray4 screens

LT Cloud4 screens

Verdict

The call

The clearest difference is update cadence: LT Cloud at every 4 weeks against Sumray's every 3 months. 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

Sumray ships an update every 3 months, LT Cloud every 4 weeks. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

Scorecard1 real difference · 5 level

Sumray versus LT Cloud: the parameters behind the verdict, then further details
Parameter	Sumray	LT Cloud
Price	Free	Free
Update frequency	Every 3 months	Every 4 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.6	15.0 — better
Further details — not scored
Size	39 MB	59 MB
Age rating	4+	17+
Developer	Sumray Digital Energy Technology Company	Jiangsu LT Technology Co., Ltd.

In-app purchases

None

Sumray

No in-app purchases

None

LT Cloud

No in-app purchases

Questions

Is Sumray free?

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

Is LT Cloud free?

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

Do Sumray or LT Cloud have ads?

Neither Sumray nor LT Cloud shows ads.

Which is updated more often, Sumray or LT Cloud?

Sumray ships an update every 3 months, and LT Cloud every 4 weeks. Most recently, Sumray was updated on June 1, 2026 and LT Cloud on September 23, 2026.