Comparison

DeyeOSS vs BMS

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

Head to head
About

DeyeOSS

Features
Read full description

Support multiple service modes, with meticulous cultivation in the field of after-sales service; Accumulate rich industry practices, and upgrade service management to ensure protection; Enhance efficiency, focus on experience, and facilitate customer service processes; Based on flexible configuration of APaaS, adapting to business needs is inevitable. Deye OSS, excellent practice in after-sales service management.

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

DeyeOSS4 screens
BMS4 screens

Verdict

The call

The clearest difference is update cadence: DeyeOSS at every 9 days against BMS's every 2 months. DeyeOSS also leads on iOS requirement (11.1 vs 15.0). 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

DeyeOSS ships an update every 9 days, BMS every 2 months. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
DeyeOSS versus BMS: the parameters behind the verdict, then further details
ParameterDeyeOSSBMS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—20.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.1 — better15.0
Further details — not scored
Size84 MB40 MB
Age rating17+17+
DeveloperZhejiang Deye Electrical Appliances Co., Ltd.秀丽 唐

In-app purchases

None

DeyeOSS

No in-app purchases

None

BMS

No in-app purchases

Questions

Is DeyeOSS free?
DeyeOSS is free to download, with no in-app purchases.
Is BMS free?
BMS is free to download, with no in-app purchases.
Do DeyeOSS or BMS have ads?
Neither DeyeOSS nor BMS shows ads.
Which is updated more often, DeyeOSS or BMS?
DeyeOSS ships an update every 9 days, and BMS every 2 months. Most recently, DeyeOSS was updated on September 14, 2026 and BMS on September 23, 2026.

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