Comparison

KD Serials vs XY BMS

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

Head to head
About

KD Serials

Features
Read full description

KD series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, remaining time, etc. At the same time, parameters can also be set to achieve full capacity voltage, zero capacity voltage, low capacity alarms, etc. Features. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and use a broken code liquid crystal display. The measured data display information is comprehensive and user-friendly.

About

XY BMS

Features
Read full description

XY BMS is a battery management system APP. It can connect multiple battery management systems at the same time through Bluetooth communication to realize real-time monitoring of battery status and operation parameter setting. Effectively improve the safety, efficiency, stability and prolong the battery life of the battery system. 1. Real-time display of voltage, current, power, calculation capacity, number of cycles, temperature, expected charging time or discharge time. 2. Display the battery running status and alarm type in real time. 3. Real-time display of voltage value, pressure difference, balance state, etc. 4. Parameters related to battery operation can be set through password verification. 5. The XY BMS can be connected to multiple batteries at the same time, and it is easy to switch between batteries on the home page.

Screenshots

KD Serials2 screens
XY BMS4 screens

Verdict

The call

The clearest difference is update cadence: KD Serials at every 4 weeks against XY BMS's every 3 months. KD Serials also leads on iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KD Serials ships an update every 4 weeks, XY BMS every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level
KD Serials versus XY BMS: the parameters behind the verdict, then further details
ParameterKD SerialsXY BMS
PriceFreeFree
Update frequencyEvery 4 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better11.0
Further details — not scored
Size39 MB30 MB
Age rating4+4+
DeveloperHangzhou Junce Instruments Co., Ltd.小宁 冯

In-app purchases

None

KD Serials

No in-app purchases

None

XY BMS

No in-app purchases

Questions

Is KD Serials free?
KD Serials is free to download, with no in-app purchases.
Is XY BMS free?
XY BMS is free to download, with no in-app purchases.
Do KD Serials or XY BMS have ads?
Neither KD Serials nor XY BMS shows ads.
Which is updated more often, KD Serials or XY BMS?
KD Serials ships an update every 4 weeks, and XY BMS every 3 months. Most recently, KD Serials was updated on October 30, 2026 and XY BMS on October 27, 2026.

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