# Powerful BMS vs Aray Power

Powerful BMS and Aray Power 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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Powerful BMS ships an update every 2 months, Aray Power every 4 weeks. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Powerful BMS | Aray Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 23 MB | 34 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Amoeba New Energy Co., Ltd.](https://appshunter.io/developer/978609032) | [深圳市傲雷新能源科技有限公司](https://appshunter.io/developer/1830665558) |

## What reviewers say

### Powerful BMS

[App page](https://appshunter.io/ios/app/powerful-bms-bussiness/id6471482461)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aray Power

[App page](https://appshunter.io/ios/app/aray-power/id6749478017)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Powerful BMS free?

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

### Is Aray Power free?

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

### Do Powerful BMS or Aray Power have ads?

Neither Powerful BMS nor Aray Power shows ads.

### Which is updated more often, Powerful BMS or Aray Power?

Powerful BMS ships an update every 2 months, and Aray Power every 4 weeks. Most recently, Powerful BMS was updated on October 27, 2026 and Aray Power on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*