# Opt Widon Power vs BMS Dashboard

The clearest difference is iOS requirement: Opt Widon Power at 12.0 against BMS Dashboard's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Opt Widon Power | BMS Dashboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 60 MB | 31 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hunan Weidian Technology Co., Ltd.](https://appshunter.io/developer/1504200881) | [D-powercore CO.,LTD.](https://appshunter.io/developer/1459971734) |

## What reviewers say

### Opt Widon Power

[App page](https://appshunter.io/ios/app/opt-widon-power/id6702011270)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMS Dashboard

[App page](https://appshunter.io/ios/app/bms-dashboard/id6740757903)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opt Widon Power free?

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

### Is BMS Dashboard free?

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

### Do Opt Widon Power or BMS Dashboard have ads?

Neither Opt Widon Power nor BMS Dashboard shows ads.

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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.*