# 极空BMS vs RdPower

The clearest difference is rating: 极空BMS at 3.5 against RdPower's 1.7. 极空BMS also leads on review sentiment (35% vs 17%). RdPower's advantage is iOS requirement (9.0 vs 17). On price, ratings volume, update cadence and ads there is nothing between them.

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

极空BMS holds the better App Store score, 3.5 against 1.7. Both are backed by a comparable volume of ratings — 37 and 13 respectively. Written reviews point the same way: 35% of 极空BMS's written reviews are positive against 17% of RdPower's.

极空BMS ships an update every 3 weeks, RdPower every 2 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 极空BMS | RdPower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (37 ratings)](https://appshunter.io/ios/app/bms/id1425725691/reviews)** | [1.7 (13 ratings)](https://appshunter.io/ios/app/rdpower/id1485849488/reviews) |
| Number of ratings | **37** | 13 |
| Positive reviews | **34.8% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 36 MB | 32 MB |
| Requires iOS | 17 | **9.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [亮亮 刘](https://appshunter.io/developer/1439150212) |

## 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


### RdPower

[App page](https://appshunter.io/ios/app/rdpower/id1485849488)

Control and monitor your RD Series digital power supply via Wi-Fi. View real-time data, display operational curves, switch languages, and save curve data for analysis.

**Highlights:** Wi-Fi connection, Data display and operation, Curve display, Language switching, Curve data saving

**Features:** macOS Compatibility

**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 RdPower free?

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

### Which has better reviews, 极空BMS or RdPower?

极空BMS is rated higher. 极空BMS averages 3.5 out of 5 from 37 ratings, while RdPower averages 1.7 from 13 ratings.

### Do 极空BMS or RdPower have ads?

Neither 极空BMS nor RdPower shows ads.

### Which is updated more often, 极空BMS or RdPower?

极空BMS ships an update every 3 weeks, and RdPower every 2 weeks. Most recently, 极空BMS was updated on October 11, 2026 and RdPower on October 9, 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.*