Comparison

BMS Tool vs SMB Link

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

SMB Link

Features

Read full description

This professional-grade BMS allows for real-time monitoring and updating of battery operational data via a Bluetooth connection to a mobile device.

Screenshots

BMS Tool4 screens

SMB Link3 screens

Verdict

The call

The clearest difference is in-app purchases: SMB Link at none against BMS Tool's 1. SMB Link also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.2). On price, update cadence 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. SMB Link asks for nothing beyond the download.

UpkeepUpdate frequency

BMS Tool ships an update every 2 months, SMB Link every 3 weeks. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level

BMS Tool versus SMB Link: the parameters behind the verdict, then further details
Parameter	BMS Tool	SMB Link
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	Every 3 weeks — better
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	12.0 — better
Further details — not scored
Size	9 MB	36 MB
Age rating	4+	17+
Developer	e77code GmbH	Shenzhen Mottcell New Energy Technology Co.,Ltd

In-app purchases

1 purchases

BMS Tool

One-time1

Remove Ads$1.99

None

SMB Link

No in-app purchases

Questions

Is BMS Tool free?

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

Is SMB Link free?

SMB Link is free to download, with no in-app purchases.

Do BMS Tool or SMB Link have ads?

BMS Tool shows ads; SMB Link does not.

Which is updated more often, BMS Tool or SMB Link?

BMS Tool ships an update every 2 months, and SMB Link every 3 weeks. Most recently, BMS Tool was updated on October 3, 2026 and SMB Link on October 5, 2026.