Comparison

Sunlink BMS vs LTW BMS

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

Head to head

About

Sunlink BMS

Features

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Sunlink BMS is an intelligent battery management platform, which can support up to 20 strings of display. Using Bluetooth wireless connection to monitor detailed battery information in real time, such as charging and discharging voltage, charging and discharging current, pack temperature and cell temperature.Supporting bluetooth scanning connection, and bilingual display in Chinese and English.

About

LTW BMS

Features

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The LTW BMS is connected to the battery pack through Bluetooth to monitor the status of the battery pack and provide monitoring means for the management of the lithium battery system. 1. Real-time display of SOC, voltage, current, temperature and other battery pack information in the form of ring and digital display; 2. Displays the real-time voltage of a single battery, protection status and alarm status of the battery string. 3. Display the status of the charge/discharge switch and battery balance.

Screenshots

Sunlink BMS3 screens

LTW BMS3 screens

Verdict

The call

The clearest difference is update cadence: Sunlink BMS at every 3 months against LTW BMS's every 14 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

Sunlink BMS ships an update every 3 months, LTW BMS every 14 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 5 level

Sunlink BMS versus LTW BMS: the parameters behind the verdict, then further details
Parameter	Sunlink BMS	LTW BMS
Price	Free	Free
Update frequency	Every 3 months — better	Every 14 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0	9.0
Further details — not scored
Size	35 MB	3 MB
Age rating	4+	4+
Developer	Shenzhen RF-star Technology Co., Ltd	Shenzhen LTW Electronic Technology Co., Ltd.

In-app purchases

None

Sunlink BMS

No in-app purchases

None

LTW BMS

No in-app purchases

Questions

Is Sunlink BMS free?

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

Is LTW BMS free?

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

Do Sunlink BMS or LTW BMS have ads?

Neither Sunlink BMS nor LTW BMS shows ads.

Which is updated more often, Sunlink BMS or LTW BMS?

Sunlink BMS ships an update every 3 months, and LTW BMS every 14 months. Most recently, Sunlink BMS was updated on October 4, 2026 and LTW BMS on October 11, 2026.