LIONTRON Multi vs RoyPow Fish.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LIONTRON Multi
Monitor up to seven LIONTRON LiFePO4 batteries in real-time via Bluetooth. View voltage, current, power, capacity, and charging cycles. Receive alerts for temperature, cell imbalance, and charging errors.
- Real-time battery monitoring
- Bluetooth connectivity
- Voltage, current, and power display
- Capacity and charging cycle tracking
- Error message alerts
- Charging/discharging status
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Use the app to record up to seven of your LIONTRON LiFePO4 batteries. The connection is made via Bluetooth, i.e. your Bluetooth function on your mobile phone must be switched on. The app displays the following functions in real time: - Voltage in volts (V) - Current in amperes (A) - Power in watts (W) - Capacity and remaining capacity in ampere hours (Ah) - Number of charging cycles - Charging/discharging allowed The battery transmits the information whether charging or discharging of the battery is "allowed" or "stopped" due to an error message, such as an increased temperature. Error messages that can be displayed below the state of charge in percent are: - Everything is OK! - The battery is too cold! - The battery is too hot! - There is a disbalance in the cells. Don't worry. If you use me, I'll even it out. - The charging voltage is too high. Please make sure your charger is not desulphating and charging below 14.4V. - The current you are charging with is too high! - You are trying to draw more current than I can supply. - One cell has too low a voltage. Please charge me! - The battery voltage is too low. Please charge me!
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: LIONTRON Multi at 5.0 against RoyPow Fish.'s 2.2. LIONTRON Multi also leads on review sentiment (27% vs 0%). RoyPow Fish.'s advantage is ratings volume (5 vs 1). 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.
LIONTRON Multi holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: RoyPow Fish. has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 27% of LIONTRON Multi's written reviews are positive against 0% of RoyPow Fish.'s.
LIONTRON Multi ships an update every 3 weeks, RoyPow Fish. every 5 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | LIONTRON Multi | RoyPow Fish. |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.2 (5 ratings) |
| Positive reviews | 26.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Liontron GmbH & Co. KG | 深圳市环宇鼎鑫科技有限公司 |
Customer experience
LIONTRON Multi
RoyPow Fish.
In-app purchases
LIONTRON Multi
No in-app purchases
RoyPow Fish.
No in-app purchases
