Comparison

PVbutler vs BMS

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

Head to head
About

PVbutler

Monitor your photovoltaic plant's performance remotely. Access energy yield, income, and system status wirelessly. Requires registration with the Sacolar PV Data Center.

Highlights
  • Remote monitoring of photovoltaic plants
  • Access energy yield data
  • Track income generation
  • View system status
  • Wireless data access
  • Compatible with Sacolar PV Data Center
Features
Read full description

A client software for monitoring the photovoltaic plant; it can collect the plant running info from Sacolar PV Data Center, such as energy yield, income and system status, which can be remotely and wirelessly accessed by the user. At present it supports plant which is registered in Sacolar PV Data Center(server.pvbutler.com)

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

PVbutler4 screens
BMS4 screens

Verdict

The call

The clearest difference is rating: BMS at 5.0 against PVbutler's 2.9. PVbutler's advantage is ratings volume (15 vs 1) and iOS requirement (12.0 vs 15.0). On price, review sentiment, update cadence and ads 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 2.9. That said, the two scores are not equally well evidenced: PVbutler has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of PVbutler's written reviews are positive against 20% of BMS's.

UpkeepUpdate frequency

PVbutler ships an update every 3 months, BMS every 2 months. The most recent releases landed on August 15, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
PVbutler versus BMS: the parameters behind the verdict, then further details
ParameterPVbutlerBMS
PriceFreeFree
Rating2.9 (15 ratings)5.0 (1 ratings) — better
Positive reviews17.6% of reviews20.0% of reviews — better
Number of ratings15 — better1
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
Size214 MB40 MB
Age rating4+17+
DeveloperShenzhen Growatt New Energy Technology Co.,Ltd秀丽 唐

Customer experience

PVbutler

All ratings15 ratings
Positive40.0%
Neutral20.0%
Negative40.0%
Written reviews17 reviews
Positive17.6%
Neutral35.3%
Negative47.1%

BMS

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

In-app purchases

None

PVbutler

No in-app purchases

None

BMS

No in-app purchases

Questions

Is PVbutler free?
PVbutler 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, PVbutler or BMS?
BMS is rated higher. PVbutler averages 2.9 out of 5 from 15 ratings, while BMS averages 5.0 from 1 ratings.
Do PVbutler or BMS have ads?
Neither PVbutler nor BMS shows ads.
Which is updated more often, PVbutler or BMS?
PVbutler ships an update every 3 months, and BMS every 2 months. Most recently, PVbutler was updated on August 15, 2026 and BMS on September 23, 2026.

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