Comparison

WEST BMS vs KLS Electronic

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

Head to head

About

WEST BMS

Read full description

Stay connected with your WEST products using the WEST BMS app. This app allows you to monitor and manage your WEST devices with ease. Key Features: Claim Your WEST Device: Register and claim your WEST device for personalized monitoring and updates. Monitor State of Charge: Check the state of charge and cell voltage of your device in real-time. View Event Logs: Access detailed event logs to track the performance and history of your module. Data Sharing: Share your module's data seamlessly with our support team for enhanced assistance. Cloud Connectivity: Connect your module to the cloud to receive notifications about potential failures or degradation.

About

KLS Electronic

Features

Read full description

Used for monitoring and related control of Jinlisheng smart BMS battery power, voltage, current and other parameters

Screenshots

WEST BMS4 screens

KLS Electronic3 screens

Verdict

The call

The clearest difference is update cadence: WEST BMS at monthly against KLS Electronic'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

WEST BMS ships an update monthly, KLS Electronic every 3 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 5 level

WEST BMS versus KLS Electronic: the parameters behind the verdict, then further details
Parameter	WEST BMS	KLS Electronic
Price	Free	Free
Update frequency	Monthly — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	159 MB	36 MB
Age rating	4+	4+
Developer	Wright Energy Storage Technologies, Inc	Shenzhen Kinglisheng New Energy Technology Co., Ltd.

In-app purchases

None

WEST BMS

No in-app purchases

None

KLS Electronic

No in-app purchases

Questions

Is WEST BMS free?

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

Is KLS Electronic free?

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

Do WEST BMS or KLS Electronic have ads?

Neither WEST BMS nor KLS Electronic shows ads.

Which is updated more often, WEST BMS or KLS Electronic?

WEST BMS ships an update monthly, and KLS Electronic every 3 months. Most recently, WEST BMS was updated on October 8, 2026 and KLS Electronic on September 30, 2026.