Comparison

BMS Tool vs EMBTuner

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

Head to head
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

BMS Tool shows the state of your battery from its battery management system (BMS) over Bluetooth, on the iPhone, the iPad, the Mac and the Apple Watch. Supported BMS: - JBD / XiaoXiang smart BMS, also in Liontron batteries - JK BMS (Jikong) - ANT BMS, the older boards and the newer ANT-BLE boards - Seplos V2 and V3 - Redodo, LiTime, PowerQueen and Starry Sea batteries - WattCycle batteries - Wattstunde LiFePO4 and Wattstunde Nova Core batteries - Ective, LiFeBlue, KiloVault, Enerdrive, Noovi and StartCraft batteries Features: - Charge, voltage, current and power at a glance - Time until full while charging and until empty while discharging, estimated from the present current - Every cell voltage with minimum, maximum, difference and balancing - Temperature sensors, alarms and BMS information - Several batteries in one list, each with its own name - Search for new devices can be switched off: only your own batteries stay in the list - Session values and a CSV log of the readings - Home screen widget - Apple Watch app with complications: charge, cells, temperatures and alarms of the battery open on the iPhone - The display can stay on while the app is open The app reads the values of the BMS and does not change its settings. Ideas and requests are welcome at web.e77code.com/bms-tool.

About

EMBTuner

This utility app provides advanced control for specific ASI controllers tuned by E-Moto Bros. Users can access special parameters for calibration, saving settings to flash memory, and throttle adjustments.

Highlights
  • Controller calibration
  • Save to flash functionality
  • Throttle tuning
  • Extended parameter access
  • ASI controller support
Read full description

This application is meant primarily for users of ASI controllers that have been tuned by E-Moto Bros. It allows extended access to special parameters including: Calibration, save to flash, throttle tuning, etc.

Screenshots

BMS Tool3 screens
EMBTuner3 screens

Verdict

The call

The clearest difference is review sentiment: BMS Tool at 71% against EMBTuner's 0%. EMBTuner's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, device support and iOS requirement 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. EMBTuner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

EMBTuner holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 7 and 13 respectively. Written reviews complicate that: 71% of BMS Tool's written reviews are positive against 0% of EMBTuner's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

BMS Tool ships an update every 2 months, EMBTuner fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
BMS Tool versus EMBTuner: the parameters behind the verdict, then further details
ParameterBMS ToolEMBTuner
PriceFreeFree
Rating3.9 (7 ratings)4.2 (13 ratings) — better
Positive reviews71.4% of reviews — better0.0% of reviews
Number of ratings713 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.4
Further details — not scored
Size20 MB58 MB
Age rating4+4+
Developere77code GmbHRiley Houston

Customer experience

BMS Tool

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

EMBTuner

All ratings11 ratings
Positive81.8%
Neutral9.1%
Negative9.1%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

EMBTuner

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is EMBTuner free?
EMBTuner is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or EMBTuner?
EMBTuner is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while EMBTuner averages 4.2 from 13 ratings.
Do BMS Tool or EMBTuner have ads?
BMS Tool shows ads; EMBTuner does not.
Which is updated more often, BMS Tool or EMBTuner?
BMS Tool ships an update every 2 months, and EMBTuner fortnightly. Most recently, BMS Tool was updated on October 29, 2026 and EMBTuner on October 30, 2026.

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