BlueBattery vs WCS KB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueBattery
Monitor and record vital electrical parameters of your RV battery system in real-time. View live data, energy mix, and historical records for diagnostics. Configure settings and update device firmware.
- Real-time electrical parameter display
- Simultaneous connection for energy overview
- Historical data for diagnostics
- Export data to CSV
- Device configuration and settings
- Firmware updates
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BlueBattery is a Bluetooth Smart (BLE) based system to display and record vital electrical parameters of a RV battery system. The small outline device connects directly in line of the battery. An additional connection to the solar charger or booster completes the installation. This App displays all recorded data as well as live measurements. Live Data Shows all important measurements from battery, solar, booster in real time. Energiemix The simultaneous connection to all devices allows for a complete energy overview with day-to-day readings. Historic Records best for diagnosing and troubleshooting of your battery system graphical overview of important measurements for the last 24 hours daily min/max data consumption, charging, solar summery export to CSV file Configure Settings make all adjustments via touch interface and save it to the device get an overview of all configuration settings Firmware Updates maintain your devices with included firmware outdated versions will be prompted to update manual firmware update BlueBattery includes a complete battery computer and displays - battery voltage (V) - battery current (A) - battery capacity (Ah) - state of charge SOC (%) - temperature (°C) compatible to solar charge controllers from Alden, Büttner, Votronic (since 2013) and Victron MPPT - solar power (W) - solar charge current (A) - solar panel voltage (V) - battery voltage (V) - status compatible to boost chargers from Votronic VCC1212-20/-30/-50/-70/-90 - input voltage (V) - output voltage (V) - output current (A) supported BlueBattery devices - BBX200 Pro - BBX400 Pro - BlueBattery Black Edition - BlueBattery-Basic - BlueBattery D1 - BlueBattery D1 / D2 Black Edition - BlueBattery X200 / X300 - BBX400 - Adapter D1
WCS KB
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Durch verbinden mit der APP kann man die Kühltemperatur der Kühlbox KB 50 bequem vom Handy kontrollieren und steuern
Screenshots
Verdict
The clearest difference is update cadence: BlueBattery at every 5 weeks against WCS KB's every 9 months. BlueBattery also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support 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.
BlueBattery ships an update every 5 weeks, WCS KB every 9 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.
| Parameter | BlueBattery | WCS KB |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 81.8% of reviews | — |
| Update frequency | Every 5 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 22 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Kai Scheffer | Alexandra Kroes |
In-app purchases
BlueBattery
No in-app purchases
WCS KB
No in-app purchases
