VRM vs bmLogger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VRM
Monitor and manage your energy systems remotely. Track solar, battery, and power usage in real time, receive alerts, and optimize performance from your smartphone. Ideal for off-grid, marine, or backup power solutions.
- Remote energy system monitoring
- Real-time solar, battery, and power tracking
- Instant alert notifications
- Performance optimization
- Smartphone control
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Stay in control of your energy system anytime, anywhere with the Victron VRM app! Remotely monitor your solar, battery, and power usage in real time, receive instant alerts, and optimize performance—all from your smartphone. Whether you’re off-grid, on a boat, or managing a backup power system, VRM keeps you connected. Download now and take charge of your energy! This app requires your system to be connected to the internet through a Victron Global Remote, Victron Ethernet Remote or Color Control GX / Venus GX.
bmLogger
This app connects to Bluetooth sensors to provide real-time temperature and humidity monitoring. It allows for data logging, historical analysis, and customizable alerts for various environmental conditions. Ideal for cold chain compliance, food safety, and climate control.
- Real-time temperature and humidity readings
- Data logging and historical graphs
- CSV data export
- Multiple sensor connection
- Customizable alerts
- Offline functionality
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Connect to Blue Maestro Bluetooth sensors for real-time environmental monitoring. Perfect for cold chain compliance, food safety, and climate control. Description: bmLogger is the official companion app for Blue Maestro's professional-grade Bluetooth temperature and humidity sensors. Whether you're monitoring cold storage, tracking pharmaceutical shipments, or ensuring optimal conditions in your wine cellar, bmLogger delivers precise, reliable data right to your smartphone. KEY FEATURES Real-Time Monitoring Live temperature and humidity readings updated every second Signal strength indicator for connection quality Battery level monitoring for all connected devices Data Logging and History Download thousands of logged data points from your sensors View detailed graphs with zoom and pan functionality Export data as CSV files for analysis and compliance reporting Device Management Connect to multiple Blue Maestro sensors simultaneously Customize device names and add notes for easy identification Configure logging intervals from 1 second to 24 hours Set high and low temperature and humidity alerts Cloud Sync (Premium) Securely store your data in the cloud Access historical readings from any device Share reports with colleagues and clients PERFECT FOR Food Safety: Monitor refrigerators, freezers, and cold storage Healthcare: Track vaccine storage and medication temperatures Wine and Beverage: Ensure optimal cellar conditions Pharmaceuticals: Maintain cold chain compliance Data Centers: Monitor server room climate Agriculture: Track greenhouse conditions Home: Monitor any environment that matters to you Logistics: Track shipment conditions in transit SUPPORTED DEVICES Tempo Disc Temperature and Humidity Sensor Tempo Disc Temperature Sensor Tempo Disc Barometric Pressure Sensor Pacif-i Smart Thermometer And all current Blue Maestro Bluetooth sensors TECHNICAL SPECIFICATIONS Supports devices with logging capacities up to 100,000+ readings Configurable logging intervals Bluetooth Low Energy for extended battery life Works offline - no internet required for local monitoring Download bmLogger today and take control of your environmental monitoring with professional-grade precision. Keywords: temperature,humidity,sensor,bluetooth,monitoring,logger,thermometer,cold chain,data logger,climate What's New in Version 13.0.1: Improved calibration handling for latest generation sensors Enhanced data export functionality Performance optimizations Bug fixes and stability improvements
Screenshots
Verdict
The clearest difference is review sentiment: bmLogger at 100% against VRM's 40%. bmLogger also leads on rating (4.3 vs 3.4) and update cadence (every 5 days vs fortnightly). VRM's advantage is ratings volume (57 vs 6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
bmLogger holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: VRM has 57 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 40% of VRM's written reviews are positive against 100% of bmLogger's.
VRM ships an update fortnightly, bmLogger every 5 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | VRM | bmLogger |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (57 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 39.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 57 — better | 6 |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Victron Energy | Blue Maestro |
Customer experience
VRM
bmLogger
In-app purchases
VRM
No in-app purchases
bmLogger
No in-app purchases
