Comparison

WATTSTUNDE vs LIONTRON Multi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WATTSTUNDE

Monitor your WATTSTUNDE Lithium Ion batteries wirelessly from your phone. Track cycle life, state of charge, voltage, current, and temperature for each battery independently. View battery events and signal levels with easy-to-read gauges.

Highlights
  • Wireless battery connection
  • Independent BMS access
  • Track cycle life
  • State of Charge (SOC) percentage
  • Display voltage, current, and temperature
  • Battery events display
Features
Read full description

WATTSTUNDE Battery Smart Connect This app allows you to connect to all of your WATTSTUNDE Lithium Ion batteries. This application is only for LiFeBlue batteries. FEATURES * No need for a separate battery monitor⋯save hundreds of dollars! * Wirelessly connect to each battery from your phone. * Access each BMS independently with multiple batteries. * Track Cycle Life on each battery. * Displays State Of Charge (SOC) percentage with circle graphic. * Display voltage, charging or discharging current, and temperature. * Easy to read gauges. * Battery Events displayed in easy to understand text. * Works up to 15 feet away. * Displays each battery signal level. * Uses Bluetooth BLE 4.0 or later CONNECTION * Compatible with iPhones with IOS 7.0 or later * Only one device connects at a time.

About

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.

Highlights
  • Real-time battery monitoring
  • Bluetooth connectivity
  • Voltage, current, and power display
  • Capacity and charging cycle tracking
  • Error message alerts
  • Charging/discharging status
Features
Read full description

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

WATTSTUNDE4 screens
LIONTRON Multi2 screens

Verdict

The call

The clearest difference is update cadence: LIONTRON Multi at every 3 weeks against WATTSTUNDE's every 10 months. LIONTRON Multi also leads on review sentiment (27% vs 0%) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

WATTSTUNDE ships an update every 10 months, LIONTRON Multi every 3 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
WATTSTUNDE versus LIONTRON Multi: the parameters behind the verdict, then further details
ParameterWATTSTUNDELIONTRON Multi
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews26.9% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 10 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.011.0 — better
Further details — not scored
Size2 MB4 MB
Age rating4+4+
DeveloperWATTSTUNDE GmbHLiontron GmbH & Co. KG

Customer experience

WATTSTUNDE

Written reviews4 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

LIONTRON Multi

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews52 reviews
Positive26.9%
Neutral34.6%
Negative38.5%

In-app purchases

None

WATTSTUNDE

No in-app purchases

None

LIONTRON Multi

No in-app purchases

Questions

Is WATTSTUNDE free?
WATTSTUNDE is free to download, with no in-app purchases.
Is LIONTRON Multi free?
LIONTRON Multi is free to download, with no in-app purchases.
Do WATTSTUNDE or LIONTRON Multi have ads?
Neither WATTSTUNDE nor LIONTRON Multi shows ads.
Which is updated more often, WATTSTUNDE or LIONTRON Multi?
WATTSTUNDE ships an update every 10 months, and LIONTRON Multi every 3 weeks. Most recently, WATTSTUNDE was updated on September 22, 2026 and LIONTRON Multi on September 19, 2026.

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