Comparison

BMS Tool vs YN BMS

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

Head to head

BMS Tool

Bluetooth Battery Monitor

Free

🔧 Utilities

★ 3.97 ratingsView app →

About

BMS Tool

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

Highlights

Screen Always ON mode
Multiple BMS support
Liontron BMS read-only
XiaoXiang BMS read-only
ANT BMS read-only
Wattstunde LiFePo4 read-only
macOS support

Features

Read full description

Universal BMS (Battery Management) monitoring app. Actual functionality: - Screen Always ON mode - Multiple BMS View / support - Read only support for Liontron BMS - Read only support for XiaoXiang BMS - Read only support for ANT BMS - Read only support for Wattstunde LiFePo4 batteries - Support for macOS Functionality Requests please submit on GitHub.

About

YN BMS

Features

Read full description

YN BMS APP是一款用来管理和控制BMS的工具类APP，可以通过APP来查看电池的电池容量，设计容量，电池状态等电池生命周期信息的工具软件。

Screenshots

BMS Tool4 screens

YN BMS4 screens

Verdict

The call

The clearest difference is in-app purchases: YN BMS at none against BMS Tool's 1. YN BMS also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.2). BMS Tool's advantage is update cadence (every 2 months vs every 3 months). On price 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. BMS Tool sells 1 one-off in-app purchase. YN BMS asks for nothing beyond the download.

UpkeepUpdate frequency

BMS Tool ships an update every 2 months, YN BMS every 3 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level

BMS Tool versus YN BMS: the parameters behind the verdict, then further details
Parameter	BMS Tool	YN BMS
Price	Free	Free
Rating	3.9 (7 ratings) — better	—
Positive reviews	71.4% of reviews	—
Number of ratings	7 — better	—
Update frequency	Every 2 months — better	Every 3 months
Ads	Yes	No — better
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.2	13.0 — better
Further details — not scored
Size	9 MB	24 MB
Age rating	4+	4+
Developer	e77code GmbH	海妮席

In-app purchases

1 purchases

BMS Tool

One-time1

Remove Ads$1.99

None

YN BMS

No in-app purchases

Questions

Is BMS Tool free?

BMS Tool is free to download, with in-app purchases available.

Is YN BMS free?

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

Do BMS Tool or YN BMS have ads?

BMS Tool shows ads; YN BMS does not.

Which is updated more often, BMS Tool or YN BMS?

BMS Tool ships an update every 2 months, and YN BMS every 3 months. Most recently, BMS Tool was updated on October 3, 2026 and YN BMS on October 13, 2026.