Comparison

BMS Tool vs Imperium Lithium Power

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

Imperium Lithium Power

Monitor your lithium battery's status, including charge, discharge, and standby states. View real-time data like remaining capacity, voltage, and current to ensure safe operation. Access technical support by entering a password.

Highlights
  • Bluetooth BMS connection
  • Real-time battery status (charging, discharging, standby)
  • Remaining capacity (SOC) display
  • Voltage and current monitoring
  • Effective capacity reading
  • Technical support access
Features
Read full description

Imperium BMS connects to the battery management system (BMS) through Bluetooth to read the working status, remaining capacity(SOC), voltage, current, effective capacity, etc. 1. Operating state of the battery: three states of charging, discharging and standing. The blue light is the state of the battery. 2. Remaining battery percentage: displaying the remaining battery percentage allows the user to monitor their battery usage. 3. Voltage, effective capacity,: these are the battery working parameters to better understand the safety of the battery. 4. Technical Support: Enter the provided password for app engineers to provide support.

Screenshots

BMS Tool3 screens
Imperium Lithium Power4 screens

Verdict

The call

The clearest difference is review sentiment: BMS Tool at 71% against Imperium Lithium Power's 0%. BMS Tool also leads on rating (3.9 vs 1.0) and ratings volume (7 vs 1). Imperium Lithium Power's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Imperium Lithium Power asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BMS Tool holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: BMS Tool has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 0% of Imperium Lithium Power's.

UpkeepUpdate frequency

BMS Tool ships an update every 2 months, Imperium Lithium Power every 3 days. The most recent releases landed on October 27, 2026 and October 5, 2026 respectively.

Scorecard9 real differences · 1 level
BMS Tool versus Imperium Lithium Power: the parameters behind the verdict, then further details
ParameterBMS ToolImperium Lithium Power
PriceFreeFree
Rating3.9 (7 ratings) — better1.0 (1 ratings)
Positive reviews71.4% of reviews — better0.0% of reviews
Number of ratings7 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size20 MB49 MB
Age rating4+4+
Developere77code GmbHShanghai Shenlu Intelligence Technology Co., Ltd.

Customer experience

BMS Tool

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

Imperium Lithium Power

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

Imperium Lithium Power

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is Imperium Lithium Power free?
Imperium Lithium Power is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or Imperium Lithium Power?
BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while Imperium Lithium Power averages 1.0 from 1 ratings.
Do BMS Tool or Imperium Lithium Power have ads?
BMS Tool shows ads; Imperium Lithium Power does not.
Which is updated more often, BMS Tool or Imperium Lithium Power?
BMS Tool ships an update every 2 months, and Imperium Lithium Power every 3 days. Most recently, BMS Tool was updated on October 27, 2026 and Imperium Lithium Power on October 5, 2026.

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