Qomolander BMS vs Marxon
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.
Marxon
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Search and connect to peripheral BMS devices through mobile Bluetooth, and collect battery data of peripheral BMS devices. The collected data includes SOH, SOC, total voltage, total current, number of charging and discharging cycles, temperature of various parts of the battery, individual voltage of each cell in the battery, protection status of the battery product, and information on whether certain functions of the battery product are working properly. The relevant hardware product is a battery protection board with a battery management system.
Screenshots
Verdict
The clearest difference is update cadence: Qomolander BMS at monthly against Marxon's every 3 months. 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.
Qomolander BMS ships an update monthly, Marxon every 3 months. The most recent releases landed on June 11, 2026 and September 15, 2026 respectively.
| Parameter | Qomolander BMS | Marxon |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 46 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Qomolander Technology Co., LTD | Guangdong Marxon Electronics Co., LTD |
In-app purchases
Qomolander BMS
No in-app purchases
Marxon
No in-app purchases








