BMS Tool vs BAT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BMS Tool
Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.
- Screen Always ON mode
- Multiple BMS support
- Liontron BMS read-only
- XiaoXiang BMS read-only
- ANT BMS read-only
- Wattstunde LiFePo4 read-only
- macOS support
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Universal BMS (Battery Management) monitoring app. Actual functionality: - Screen Always ON mode - Multiple BMS View / support - Read only support for Liontron BMS - Read only support for XiaoXiang BMS - Read only support for ANT BMS - Read only support for Wattstunde LiFePo4 batteries - Support for macOS Functionality Requests please submit on GitHub.
BAT
Monitor and manage your lithium batteries in real-time with instant access to battery health, charging status, voltage, current, and temperature. This app provides advanced diagnostics and a clear interface for various applications like RVs, solar systems, and EVs.
- Real-time battery monitoring
- Battery dashboard (SOC, SOH, voltage, current)
- Individual cell monitoring
- Temperature monitoring
- Advanced diagnostics and fault detection
- Runtime estimator
- Clean and professional interface
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BAT-BMS Pro – Smart Battery Monitor Monitor and manage your lithium batteries in real time. BAT-BMS Pro gives you instant access to battery health, charging status, voltage, current, temperature, and advanced diagnostics—all from your iPhone or iPad. Whether you're monitoring RV batteries, solar energy systems, marine batteries, electric vehicles, or custom lithium battery packs, BAT-BMS Pro provides the tools you need to stay informed and maximize battery performance. FEATURES Real-Time Battery Monitoring Live battery status Charging & discharging information Instant performance updates Continuous monitoring Battery Dashboard State of Charge (SOC) State of Health (SOH) Pack Voltage Current Power Remaining Capacity Battery Status Cell Monitoring Individual cell voltages Cell voltage difference Highest & lowest cell detection Cell balancing status Temperature Monitoring Real-time temperature sensors Battery protection monitoring Thermal safety indicators Advanced Diagnostics Battery status monitoring Protection warnings Fault detection Battery health information Runtime Estimator Estimate remaining runtime based on current power consumption and available battery capacity. Clean & Professional Interface Designed for speed, clarity, and ease of use with a modern interface optimized for both iPhone and iPad. Perfect For RV & Camper Batteries Solar Energy Storage Marine Applications Electric Vehicles Off-Grid Power Systems LiFePO₄ Battery Packs DIY Battery Projects Stay connected to your battery system with accurate real-time monitoring and powerful diagnostics—all in one professional application.
Screenshots
Verdict
The clearest difference is review sentiment: BMS Tool at 71% against BAT's 0%. BMS Tool also leads on rating (3.9 vs 1.0) and update cadence (every 2 months vs every 3 months). BAT's advantage is in-app purchases (none vs 1). On price, ratings volume, ads 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. BMS Tool sells 1 one-off in-app purchase. BAT asks for nothing beyond the download.
BMS Tool holds the better App Store score, 3.9 against 1.0. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 0% of BAT's.
BMS Tool ships an update every 2 months, BAT every 3 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | BMS Tool | BAT |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | 71.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 3 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 16.6 |
| Further details — not scored | ||
| Size | 9 MB | 18 MB |
| Age rating | 4+ | 12+ |
| Developer | e77code GmbH | Mouad Bousbaa |
Customer experience
BMS Tool
BAT
In-app purchases
BMS Tool
- Remove Ads$1.99
BAT
No in-app purchases









