Comparison

EG4 BMS vs Powerwallx

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

Head to head

Powerful ESS monitoring system

Free

🔧 Utilities

No ratingsView app →

About

EG4 BMS

Read full description

The EG4 BMS App is an application designed for battery management, suitable for both household and industrial power management, storage, and related functions. Compatible with EG4's 314Ah WallMount battery series

About

Powerwallx

Features

Read full description

Powerwallx app covers the entire lifecycle of energy storage stations and batteries, delivering a high-quality, convenient service experience to customers. It enables intelligent monitoring and streamlined operation and maintenance of energy storage assets, thereby ensuring maximum safety and reliability of the energy storage system. Key Features: • Remote Monitoring & Diagnostics • Proactive Fault Early Warning • Streamlined Maintenance & Operations • Full Lifecycle Management

Screenshots

EG4 BMS3 screens

Powerwallx4 screens

Verdict

The call

The clearest difference is update cadence: EG4 BMS at every 3 days against Powerwallx's every 3 months. EG4 BMS also leads on iOS requirement (11.0 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

EG4 BMS ships an update every 3 days, Powerwallx every 3 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 4 level

EG4 BMS versus Powerwallx: the parameters behind the verdict, then further details
Parameter	EG4 BMS	Powerwallx
Price	Free	Free
Update frequency	Every 3 days — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	11.0 — better	15.0
Further details — not scored
Size	44 MB	21 MB
Age rating	4+	4+
Developer	eg4	耀丹张

In-app purchases

None

EG4 BMS

No in-app purchases

None

Powerwallx

No in-app purchases

Questions

Is EG4 BMS free?

EG4 BMS is free to download, with no in-app purchases.

Is Powerwallx free?

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

Do EG4 BMS or Powerwallx have ads?

Neither EG4 BMS nor Powerwallx shows ads.

Which is updated more often, EG4 BMS or Powerwallx?

EG4 BMS ships an update every 3 days, and Powerwallx every 3 months. Most recently, EG4 BMS was updated on October 7, 2026 and Powerwallx on October 15, 2026.