Qomolander BMS vs Madjax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Qomolander BMS
This app provides real-time monitoring of battery status, including voltage, current, and temperature. It connects via Bluetooth to display battery information, diagnose issues, and manage settings to extend battery life and enhance stability.
- Real-time battery parameter display (voltage, current, SOC, SOH, temp)
- Individual cell voltage monitoring
- Cell balance and voltage difference display
- Alarm status for various battery issues
- Battery parameter modification
- Battery program upgrades
- Charging and discharging control
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QOMOLANDER intelligent battery management system can real-time monitor battery status, collect, store and process the information during battery operation. With a Bluetooth connection, it can exchange information with external devices to display battery information and diagnose battery issues. This technology can also extend the lifetime and enhance the stability of the battery. 1. Real-time display of voltage, current ,SOC ,SOH, temperature, other parameters of battery. 2. Real-time display the voltage of battery cells. 3. Real-time display the maximum and minimum voltage of the cell, the voltage difference and the cell balance. 4. Real-time display of over-voltage, under-voltage, over-current, over -temperature, low-temperature, short circuit and other alarm status. 5. Modifying battery parameters. 6. Upgrading battery program. 7. Charging and discharging switch on or off. I hope QOMOLANDER can help you to better understand the convenience of lithium batteries operation.
Madjax
Control and customize your vehicle's RGB lighting experience with this app. It offers seamless, intuitive controls to create a unique look for your ride, whether you're cruising or showcasing your setup.
- Control RGB lights
- Customize lighting experience
- Intuitive controls
- Designed for MadJax vehicles
- Compatible lighting systems
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Transform your ride with the MadJax App; the ultimate way to control and customize your cart’s lighting experience. Designed for MadJax vehicles and compatible lighting systems, this app puts full control of your RGB lights right at your fingertips. Whether you’re cruising at night or showcasing your setup, create a look that’s uniquely yours with seamless, intuitive controls.
Screenshots
Verdict
The clearest difference is rating: Qomolander BMS at 5.0 against Madjax's 3.8. Qomolander BMS also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 18.0). Madjax's advantage is ratings volume (6 vs 1). 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.
Qomolander BMS holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Madjax has 6 ratings behind it against 1, so its average is the more settled of the two.
Qomolander BMS ships an update monthly, Madjax every 3 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | Qomolander BMS | Madjax |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (6 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 46 MB | 70 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Qomolander Technology Co., LTD | Nivel Parts and Manufacturing Co, LLC |
Customer experience
Qomolander BMS
Madjax
In-app purchases
Qomolander BMS
No in-app purchases
Madjax
No in-app purchases
