FXC Control vs RoyPow Fish.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FXC Control
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.
- Change settings
- Control parameters
- Bluetooth communication
- Inverter/charger management
- System configuration
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This application allows you to change settings and control available parameters on your Freedom X/XC inverter or inverter/charger. Please note it requires the Freedom X/XC remote control panel with the support of Bluetooth communication. Please read the Freedom X/XC inverter/charger and FX Remote Panel user guides before configuring and operating the Freedom X/XC system. Ensure that your iOS is updated to the latest version.
RoyPow Fish.
Monitor your battery management system (BMS) directly from your mobile device. Connect via Bluetooth to view battery status and parameters in real-time.
- Bluetooth connection
- Battery BMS monitoring
- Real-time parameter viewing
- Mobile phone compatibility
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Battery BMS Monitor APP via Mobile Phone Bluetooth Connection
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FXC Control | RoyPow Fish. |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (24 ratings) — better | 1.5 (4 ratings) |
| Positive reviews | 14.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 4 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Xantrex Canada ULC | 深圳市环宇鼎鑫科技有限公司 |
Customer experience
FXC Control
RoyPow Fish.
In-app purchases
FXC Control
No in-app purchases
RoyPow Fish.
No in-app purchases
