Comparison

BisidaBMS vs Aray Ess

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

Head to head

Monitor HV storage anytime.

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About

BisidaBMS

Features

Read full description

Bisida BMS 锂电池管理系统，采集电池参数

About

Aray Ess

Features

Read full description

Aray ESS is a smart monitoring and management platform designed for high-voltage energy storage devices. By logging in with an assigned account, users can monitor device operation in real time, improve O&M efficiency, and ensure system safety and stability. Main features: Device Monitoring: Real-time view of core data such as voltage, current, and power. Log Recording: Supports error log queries and device operation history tracking. Safety Management: Instant alerts for abnormal status, helping users quickly locate issues. Account Login: Simply use the account assigned by your company to access your dedicated hardware device. Wherever you are, Aray ESS enables efficient management of your energy storage system, improving reliability and safety.

Screenshots

BisidaBMS4 screens

Aray Ess4 screens

Verdict

The call

BisidaBMS and Aray Ess are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

BisidaBMS ships an update every 4 months, Aray Ess every 3 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

ScorecardNo meaningful differences

BisidaBMS versus Aray Ess: the parameters behind the verdict, then further details
Parameter	BisidaBMS	Aray Ess
Price	Free	Free
Update frequency	Every 4 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	46 MB	29 MB
Age rating	17+	9+
Developer	文校赖	深圳市傲雷新能源科技有限公司

In-app purchases

None

BisidaBMS

No in-app purchases

None

Aray Ess

No in-app purchases

Questions

Is BisidaBMS free?

BisidaBMS is free to download, with no in-app purchases.

Is Aray Ess free?

Aray Ess is free to download, with no in-app purchases.

Do BisidaBMS or Aray Ess have ads?

Neither BisidaBMS nor Aray Ess shows ads.

Which is updated more often, BisidaBMS or Aray Ess?

BisidaBMS ships an update every 4 months, and Aray Ess every 3 months. Most recently, BisidaBMS was updated on October 10, 2026 and Aray Ess on October 8, 2026.