Comparison

SolarAssistant vs BMS

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

Head to head
About

SolarAssistant

This app connects to solar inverters via Bluetooth or WiFi for maintenance. It allows real-time monitoring of alarms, configuration parameters, and device health history. Quickly locate faults and enhance operational efficiency.

Highlights
  • Bluetooth/WiFi inverter connection
  • Real-time alarm monitoring
  • Configuration parameter access
  • Log downloading
  • Fault location and management
  • Device health history query
Features
Read full description

Solar Assistant is a mobile application software to communicate to inverter via Bluetooth or WiFi for query alarms, configuration parameters, log downloading routine maintenance functions, are lightweight proximal maintenance platform. Support iOS7.1 or later. Monitor in real time: easy to operate alarm browsing, fault management, operation and maintenance to enhance user productivity. Flexible data in real time query mechanism to facilitate customer inquiries device health history. Get fast fault location, ease of maintenance personnel to quickly locate the fault, timely response measures.

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

SolarAssistant4 screens
BMS4 screens

Verdict

The call

The clearest difference is rating: BMS at 5.0 against SolarAssistant's 1.0. BMS also leads on review sentiment (20% vs 0%). SolarAssistant's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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 — 2 and 1 respectively. Written reviews point the same way: 0% of SolarAssistant's written reviews are positive against 20% of BMS's.

UpkeepUpdate frequency

SolarAssistant ships an update every 11 days, BMS every 2 months. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
SolarAssistant versus BMS: the parameters behind the verdict, then further details
ParameterSolarAssistantBMS
PriceFreeFree
Rating1.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews20.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 11 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size12 MB40 MB
Age rating4+17+
Developer易事特集团股份有限公司秀丽 唐

Customer experience

SolarAssistant

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

BMS

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

In-app purchases

None

SolarAssistant

No in-app purchases

None

BMS

No in-app purchases

Questions

Is SolarAssistant free?
SolarAssistant 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, SolarAssistant or BMS?
BMS is rated higher. SolarAssistant averages 1.0 out of 5 from 2 ratings, while BMS averages 5.0 from 1 ratings.
Do SolarAssistant or BMS have ads?
Neither SolarAssistant nor BMS shows ads.
Which is updated more often, SolarAssistant or BMS?
SolarAssistant ships an update every 11 days, and BMS every 2 months. Most recently, SolarAssistant was updated on September 16, 2026 and BMS on September 23, 2026.

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