Comparison

LTW BMS vs PowerMax PCW

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

Head to head

For PCW-30 power centers.

Free

🔧 Utilities

No ratingsView app →

About

LTW BMS

Features

Read full description

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.

About

PowerMax PCW

Features

Read full description

Welcome to the PowerMax PCW-30. Connect via bluetooth and command your PowerMax device from your phone. Controls all movement and on/off outputs on one screen.

Screenshots

LTW BMS3 screens

PowerMax PCW4 screens

Verdict

The call

The clearest difference is iOS requirement: LTW BMS at 9.0 against PowerMax PCW's 12.4. 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

LTW BMS ships an update every 14 months, PowerMax PCW every 11 months. The most recent releases landed on September 9, 2026 and August 28, 2026 respectively.

Scorecard1 real difference · 5 level

LTW BMS versus PowerMax PCW: the parameters behind the verdict, then further details
Parameter	LTW BMS	PowerMax PCW
Price	Free	Free
Update frequency	Every 14 months	Every 11 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	12.4
Further details — not scored
Size	3 MB	11 MB
Age rating	4+	4+
Developer	Shenzhen LTW Electronic Technology Co., Ltd.	Fieldstone Products Inc

In-app purchases

None

LTW BMS

No in-app purchases

None

PowerMax PCW

No in-app purchases

Questions

Is LTW BMS free?

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

Is PowerMax PCW free?

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

Do LTW BMS or PowerMax PCW have ads?

Neither LTW BMS nor PowerMax PCW shows ads.

Which is updated more often, LTW BMS or PowerMax PCW?

LTW BMS ships an update every 14 months, and PowerMax PCW every 11 months. Most recently, LTW BMS was updated on September 9, 2026 and PowerMax PCW on August 28, 2026.