Comparison

BMS Tool vs EnerKey

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

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

EnerKey

Monitor and control your lithium battery system in real-time. View current status, historical data, and adjust protective parameters to ensure safe operation. Receive instant alerts for any abnormal conditions.

Highlights
  • Real-time battery monitoring
  • Historical data inquiry
  • Parameter setting
  • Alarm notifications
  • Voltage, current, and temperature display
Features
Read full description

Enerkey lithium battery management system (BMS) provides a range of convenient management and control functions that allow users to perform real-time monitoring, data querying, and parameter setting of their lithium battery via the app. Real-time monitoring: Users can view real-time data such as voltage, current, and temperature of the lithium battery BMS through the app, allowing them to promptly understand the battery's operational status. Historical data inquiry: Users can check the historical operation data of the lithium battery BMS, including battery capacity, charge times, cycle times, and temperature data, helping them better understand the usage of the battery and perform timely maintenance. Parameter setting: Users can set various parameters of the lithium battery BMS through the app, including overcharge protection, over-discharge protection, temperature protection, etc., to ensure the safe operation of the battery. Alarm notification: Users can receive real-time alarm notifications through the app when the lithium battery BMS encounters abnormal conditions, enabling them to handle the issue promptly and prevent accidents. We are committed to providing users with the best experience possible. Download and use our app today!

Screenshots

BMS Tool4 screens
EnerKey3 screens

Verdict

The call

The clearest difference is rating: BMS Tool at 3.9 against EnerKey's 3.0. EnerKey's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, ratings volume and update cadence 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. EnerKey asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BMS Tool holds the better App Store score, 3.9 against 3.0. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews complicate that: 71% of BMS Tool's written reviews are positive against 75% of EnerKey's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

Scorecard5 real differences · 5 level
BMS Tool versus EnerKey: the parameters behind the verdict, then further details
ParameterBMS ToolEnerKey
PriceFreeFree
Rating3.9 (7 ratings) — better3.0 (3 ratings)
Positive reviews71.4% of reviews75.0% of reviews — better
Number of ratings7 — better3
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.212.0 — better
Further details — not scored
Size9 MB31 MB
Age rating4+4+
Developere77code GmbHShenzhen Jinwei Power Source 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%

EnerKey

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$1.99
None

EnerKey

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is EnerKey free?
EnerKey is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or EnerKey?
BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while EnerKey averages 3.0 from 3 ratings.
Do BMS Tool or EnerKey have ads?
BMS Tool shows ads; EnerKey does not.
Which is updated more often, BMS Tool or EnerKey?
BMS Tool ships an update every 2 months, and EnerKey every 2 months. Most recently, BMS Tool was updated on September 16, 2026 and EnerKey on June 1, 2026.

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