Comparison

Hy vs BMS

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

Head to head
About

Hy

Monitor and control hybrid energy systems remotely. Access real-time data from PV and ESS systems via the internet and adjust parameters from anywhere.

Highlights
  • Remote data monitoring
  • Real-time PV & ESS information
  • Remote control capabilities
  • Parameter settings
  • Internet connectivity
Features
Read full description

Hy-Power is a remote data APP that is compatible with PV & ESS hybrid energy systems. It allows users to pick up informations of the PV & ESS hybrid energy system in real-time through the Internet, or perform remote control and parameter settings.

About

BMS

Monitor and manage your device's battery health with real-time data, historical records, and customizable alerts for over-charge, over-discharge, and temperature. Connect locally via Bluetooth or remotely via Wi-Fi to track battery status, cell performance, and potential issues.

Highlights
  • Real-time battery data (current, voltage, SOC, SOH)
  • Cell-level monitoring
  • Historical alarm and protection records
  • Customizable warning values
  • Bluetooth and Wi-Fi connectivity
  • Device sharing and management
Read full description

This app allows users to bind their devices easily and conveniently at anytime and anywhere,view battery health status, and record, diagnose and warn the real-time status of the battery.It is a good helper for users in operating and maintaining their devices. 【Parameter settings】 Preset warning values for over-charge, over-discharge , over-current, and over-temperature,When the battery status reaches the preset warning value, the system will send out an alarm signal to remind users to pay attention to the battery's status and performance. 【Real-time data】 Summary data: including battery current, voltage, number of cells, cycle times, SOC, SOH, temperature and other parameters; Cell data: including independent voltage, independent current, cycle times, SOC, SOH, temperature and other parameters of the cell; Voltage temperature: including the number of cells, cell voltage, cell temperature and other parameters; Status data: including protection, indication, control, fault, battery balance, alarm and other status. 【Historical data】 Record the alarm state, protection state, fault occurrence state and development process of the battery history,which can help the users to understand the state and performance of the battery. 【Connection method】 Local control: Through Bluetooth communication, no need to log in with an account, directly search for nearby Bluetooth signals, one-to-one connection, ready to use; Remote control: through WIFI communication,need to register an account to log in, the APP and the device will automatically perform network distribution operations, and bind the account and device. 【My device】 Forgot password: reset password through email; Edit device: Long press the device item, the edit menu will pop up at the bottom, you can modify the device nickname or delete the device; Share device: Long press the device item, the device administrator who first configures the network and binds the account, can generate a QR code for the device for other users to scan the code to add.

Screenshots

Hy4 screens
BMS4 screens

Verdict

The call

The clearest difference is rating: BMS at 5.0 against Hy's 1.0. Hy's advantage is iOS requirement (12.0 vs 15.0). 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BMS holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 25% of Hy's written reviews are positive against 20% of BMS's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Hy ships an update every 3 months, BMS every 2 months. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Hy versus BMS: the parameters behind the verdict, then further details
ParameterHyBMS
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews — better20.0% of reviews
Number of ratings11
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size43 MB40 MB
Age rating17+17+
DeveloperJiangsu Hybrid Energy Technology Co., Ltd秀丽 唐

Customer experience

Hy

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

BMS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive20.0%
Neutral60.0%
Negative20.0%

In-app purchases

None

Hy

No in-app purchases

None

BMS

No in-app purchases

Questions

Is Hy free?
Hy is free to download, with no in-app purchases.
Is BMS free?
BMS is free to download, with no in-app purchases.
Which has better reviews, Hy or BMS?
BMS is rated higher. Hy averages 1.0 out of 5 from 1 ratings, while BMS averages 5.0 from 1 ratings.
Do Hy or BMS have ads?
Neither Hy nor BMS shows ads.
Which is updated more often, Hy or BMS?
Hy ships an update every 3 months, and BMS every 2 months. Most recently, Hy was updated on September 9, 2026 and BMS on September 23, 2026.

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