WATTSTUNDE vs sonsor
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
- Wireless battery connection
- Independent BMS access
- Track cycle life
- State of Charge (SOC) percentage
- Display voltage, current, and temperature
- Battery events display
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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 monitorβ―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.
sonsor
Receive real-time alerts for break-ins and environmental data directly on your phone. This system detects various security threats and monitors conditions like fire, mold risk, sound, air quality, and temperature. Track sensor data live and customize your alerts and device management.
- Break-in detection
- Environmental data monitoring
- Real-time sensor tracking
- Customizable alerts
- Multi-device and member support
- LTE and GPS integration
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Security alarm made simple β no subscription, no camera, no compromise. sonsor is the smart alarm system you simply plug in via USB and start immediately β no installation, no technician, no monthly fees. Your smartphone becomes your alarm centre: you're notified instantly via push notification whenever something is detected. Burglary Protection β without a camera sonsor detects motion, vibration, sound and light changes reliably β and triggers an alarm immediately. No video recording, full privacy. The integrated live mode shows you real-time sensor data so you know exactly what's happening the moment an alarm goes off. GPS Tracker & LTE β always connected The LTE model sends its GPS location directly to the app β perfect as a camper van alarm, RV security system, or trailer tracker. You always know where your vehicle is, even when you're not around. Built for every location Whether you need camper security, vacation home monitoring, workshop alarm, garage protection, boat alarm or Airbnb security β sonsor adapts to your location. Pre-configured profiles get you set up in minutes. More than just a burglar alarm sonsor continuously measures temperature, humidity, air quality, noise levels and detects mold risk and smoke alarm signals. Set your own thresholds and get automatic alerts when a value is exceeded β for example, frost in your RV or heat in a parked vehicle. The app β free & intuitive - Burglar alarm app with push & email notifications - Motion sensor app with adjustable sensitivity - Temperature monitoring with history graphs - GPS tracking & location history - Manage multiple devices & users - Fully customisable dashboard Plug & Play β no subscription Just plug in USB, open the app, done. No technicians, no contracts, no hidden costs. The app is free β you pay once for the device. Whether you're looking for a Bosch Spexor alternative, a retrofit solution for your camper van, or smart protection for your holiday home: sonsor makes security simple.
Screenshots
Verdict
The clearest difference is review sentiment: sonsor at 88% against WATTSTUNDE's 0%. sonsor also leads on update cadence (every 3 weeks vs every 10 months). WATTSTUNDE's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WATTSTUNDE ships an update every 10 months, sonsor every 3 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | WATTSTUNDE | sonsor |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 87.5% of reviews β better |
| Update frequency | Every 10 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 13.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 2 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | WATTSTUNDE GmbH | pironex GmbH |
Customer experience
WATTSTUNDE
sonsor
In-app purchases
WATTSTUNDE
No in-app purchases
sonsor
No in-app purchases









