# 极空BMS vs Rieiek

The clearest difference is iOS requirement: Rieiek at 12.0 against 极空BMS's 17. On price and in-app purchases 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 | 极空BMS | Rieiek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (38 ratings)](https://appshunter.io/ios/app/bms/id1425725691/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 34.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 36 MB | 31 MB |
| Requires iOS | 17 | **12.0** |
| Devices | **iPhone** | — |
| Age rating | 17+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [雪苗 张](https://appshunter.io/developer/1561896467) |

## What reviewers say

### 极空BMS

[App page](https://appshunter.io/ios/app/bms/id1425725691)

This application connects to a battery management system's active equalizer via Bluetooth. It allows for real-time monitoring of parameters and control over equipment settings.

**Highlights:** Real-time status monitoring, Operating parameter settings, Battery management system equipment control, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### Rieiek

[App page](https://appshunter.io/ios/app/rieiek-battery-switch/id6475923175)

**In-app purchases:** none


## Frequently asked questions

### Is 极空BMS free?

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

### Is Rieiek free?

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

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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.*