# FXC Control vs RoyPow Fish.

The clearest difference is rating: FXC Control at 2.2 against RoyPow Fish.'s 1.5. FXC Control also leads on review sentiment (14% vs 0%) and ratings volume (24 vs 4). On price, update cadence, ads 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.

FXC Control holds the better App Store score, 2.2 against 1.5. That said, the two scores are not equally well evidenced: FXC Control has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 14% of FXC Control's written reviews are positive against 0% of RoyPow Fish.'s.

FXC Control ships an update monthly, RoyPow Fish. every 5 weeks. The most recent releases landed on July 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | FXC Control | RoyPow Fish. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (24 ratings)](https://appshunter.io/ios/app/fxc-control/id1484424847/reviews)** | [1.5 (4 ratings)](https://appshunter.io/ios/app/roypow-fish/id6446618041/reviews) |
| Number of ratings | **24** | 4 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 8 MB | 27 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xantrex Canada ULC](https://appshunter.io/developer/1479481626) | [深圳市环宇鼎鑫科技有限公司](https://appshunter.io/developer/1639662642) |

## What reviewers say

### FXC Control

[App page](https://appshunter.io/ios/app/fxc-control/id1484424847)

Control and adjust settings for your Freedom X/XC inverter or inverter/charger. Requires a compatible remote control panel with Bluetooth. Consult user guides for setup and operation.

**Highlights:** Change settings, Control parameters, Bluetooth communication, Inverter/charger management, System configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### RoyPow Fish.

[App page](https://appshunter.io/ios/app/roypow-fish/id6446618041)

Monitor your battery management system (BMS) directly from your mobile device. Connect via Bluetooth to view battery status and parameters in real-time.

**Highlights:** Bluetooth connection, Battery BMS monitoring, Real-time parameter viewing, Mobile phone compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FXC Control free?

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

### Is RoyPow Fish. free?

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

### Which has better reviews, FXC Control or RoyPow Fish.?

FXC Control is rated higher. FXC Control averages 2.2 out of 5 from 24 ratings, while RoyPow Fish. averages 1.5 from 4 ratings.

### Do FXC Control or RoyPow Fish. have ads?

Neither FXC Control nor RoyPow Fish. shows ads.

### Which is updated more often, FXC Control or RoyPow Fish.?

FXC Control ships an update monthly, and RoyPow Fish. every 5 weeks. Most recently, FXC Control was updated on July 19, 2026 and RoyPow Fish. on September 10, 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.*