Comparison

Powerful BMS vs i

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

Head to head
About

Powerful BMS

Features
Read full description

Real-time battery status monitoring The on-board equipment can accurately detect the voltage, SOC and SOH status of the battery when it is stationary by dynamically detecting the status of the vehicle. 4G data transmission The battery test results are regularly transmitted to end users and service providers through 4G, so as to understand the real-time status of the battery and monitor the battery usage trend to avoid any loss caused by sudden battery damage. Customized early warning/digital drainage Battery feed or deterioration warning can be customized according to requirements, and timely remind end users to collect effective measures. OEMs and their dealership stores can also use early warning information to remind end users to return to the store for battery testing and maintenance in a timely manner.

About

i

Monitor your i-tecc+ LiFePO4 batteries with detailed insights. Track state of charge, capacity, power usage, temperature, and charge cycles. Essential for managing battery health and performance.

Highlights
  • Monitor state of charge
  • Track battery capacity
  • View power consumption
  • Check battery temperature
  • Record charge cycles
  • LiFePO4 battery information
Features
Read full description

i-tecc+ BMS is the perfect tool to get important information about your i-tecc+ LiFePO4 batteries, such as current state of charge, battery capacity, power consumption, temperature, charge cycles and much more.

Screenshots

Powerful BMS3 screens
i4 screens

Verdict

The call

The clearest difference is update cadence: Powerful BMS at every 2 months against i's every 19 months. i's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Powerful BMS ships an update every 2 months, i every 19 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

Scorecard2 real differences ยท 6 level
Powerful BMS versus i: the parameters behind the verdict, then further details
ParameterPowerful BMSi
PriceFreeFree
Positive reviewsโ€”0.0% of reviews
Update frequencyEvery 2 months โ€” betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.612.0 โ€” better
Further details โ€” not scored
Size25 MB34 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.i-tecc batteries GmbH

In-app purchases

None

Powerful BMS

No in-app purchases

None

i

No in-app purchases

Questions

Is Powerful BMS free?
Powerful BMS is free to download, with no in-app purchases.
Is i free?
i is free to download, with no in-app purchases.
Do Powerful BMS or i have ads?
Neither Powerful BMS nor i shows ads.
Which is updated more often, Powerful BMS or i?
Powerful BMS ships an update every 2 months, and i every 19 months. Most recently, Powerful BMS was updated on September 14, 2026 and i on September 21, 2026.

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