Comparison

BLECarVoltage vs LTW BMS

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

Head to head

BLECarVoltage

a battery voltage monitor

About

BLECarVoltage

Features

Read full description

App. is a Battery Monitor for iPhone through bluetooth BLE. A demonstration can found here... https://youtu.be/WhLtSxZYeVs With Our Battery Monitor hardware and this App, you can check your battery’s voltage quickly, easily and visualize. You must have specific hardware device for this App. Hardware is designed based on TI CC2541 and it's specification could found at http://www.ti.com/product/CC2541 Please contact us for more product detail.

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.

Screenshots

BLECarVoltage3 screens

LTW BMS3 screens

Verdict

The call

The clearest difference is update cadence: BLECarVoltage at every 4 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

BLECarVoltage ships an update every 4 months, LTW BMS every 14 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 5 level

BLECarVoltage versus LTW BMS: the parameters behind the verdict, then further details
Parameter	BLECarVoltage	LTW BMS
Price	Free	Free
Update frequency	Every 4 months — better	Every 14 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	9.0	9.0
Further details — not scored
Size	55 MB	3 MB
Age rating	4+	4+
Developer	Longfellow Chen	Shenzhen LTW Electronic Technology Co., Ltd.

In-app purchases

None

BLECarVoltage

No in-app purchases

None

LTW BMS

No in-app purchases

Questions

Is BLECarVoltage free?

BLECarVoltage 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 BLECarVoltage or LTW BMS have ads?

Neither BLECarVoltage nor LTW BMS shows ads.

Which is updated more often, BLECarVoltage or LTW BMS?

BLECarVoltage ships an update every 4 months, and LTW BMS every 14 months. Most recently, BLECarVoltage was updated on October 10, 2026 and LTW BMS on October 11, 2026.