# 极空BMS vs Fsolar

极空BMS and Fsolar both sit at 3.5 stars, but that hides the real split: 47% of Fsolar's written reviews are positive against 35% of 极空BMS's. Fsolar also leads on iOS requirement (15.0 vs 17). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.5 for 极空BMS against 3.5 for Fsolar. Both are backed by a comparable volume of ratings — 37 and 37 respectively. Written reviews are what separate them: 35% of 极空BMS's written reviews are positive against 47% of Fsolar's.

极空BMS ships an update every 3 weeks, Fsolar every 4 weeks. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 极空BMS | Fsolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (37 ratings)](https://appshunter.io/ios/app/bms/id1425725691/reviews) | [3.5 (37 ratings)](https://appshunter.io/ios/app/fsolar/id1628763284/reviews) |
| Number of ratings | 37 | 37 |
| Positive reviews | 34.8% of reviews | **47.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 36 MB | 71 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [Guangzhou Felicity Solar Technology Co., Ltd.](https://appshunter.io/developer/1628763286) |

## 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


### Fsolar

[App page](https://appshunter.io/ios/app/fsolar/id1628763284)

This intelligent cloud platform monitors photovoltaic data in real-time. It offers power station and equipment management, remote control, and intelligent alarms for efficient information management.

**Highlights:** Real-time monitoring, Power station management, Equipment management, Remote control, Intelligent alarms, Information management

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

**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 Fsolar free?

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

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

极空BMS and Fsolar are both rated 3.5 out of 5 on the App Store, from 37 and 37 ratings respectively.

### Do 极空BMS or Fsolar have ads?

Neither 极空BMS nor Fsolar shows ads.

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

极空BMS ships an update every 3 weeks, and Fsolar every 4 weeks. Most recently, 极空BMS was updated on September 23, 2026 and Fsolar on September 14, 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.*