Frog Otto vs LIONTRON Multi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Frog Otto
Control a biped robot using a Bluetooth 4.0 connection. This application allows for a variety of actions to be performed by the robot through its interface.
- Bluetooth 4.0 connectivity
- Control biped robot actions
- Variety of button controls
- Robot movement customization
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This is a Bluetooth APP (4.0) for controlling FrogOtto's biped robot. More buttons can make FrogOtto achieve a variety of actions.
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!
Screenshots
Verdict
Frog Otto and LIONTRON Multi are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
On the App Store both sit at effectively the same score — 5.0 for Frog Otto against 5.0 for LIONTRON Multi. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Frog Otto | LIONTRON Multi |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 26.9% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 15 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 克俭 左 | Liontron GmbH & Co. KG |
Customer experience
Frog Otto
LIONTRON Multi
In-app purchases
Frog Otto
No in-app purchases
LIONTRON Multi
No in-app purchases
