Pro BMS vs DALY BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro BMS
This utility app measures and displays real-time battery parameters like voltage, current, and capacity. It offers customizable protection functions and allows for voltage/current curve export. Control and monitoring are available via a mobile app.
- Real-time voltage and current measurement
- Power, charge, and discharge capacity monitoring
- Customizable protection functions (overvoltage, overcurrent, etc.)
- Color LCD display of comprehensive data
- Voltage and current curve display and export
- Mobile app control and communication
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The Pro BMS series voltage and ammeter is a new coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hour, time, etc. At the same time, parameters can also be set to realize various protection functions such as overvoltage protection, undervoltage protection, overcurrent protection, overpower protection, overtemperature protection and time-limited protection. The meter can automatically identify the direction of current flow In addition, the battery capacity can be monitored in real time and the measured data is displayed on a color LCD, which displays comprehensive and user-friendly information. The Pro BMS series voltage and ammeter adds the function of displaying and exporting voltage and current curves based on the original functions. At the same time, it can be controlled by mobile APP and communication.
DALY BMS
Monitor and manage your lithium battery's status. Query battery string information, identify and replace abnormal cells, and set safety parameters. Receive alerts for battery faults and track their occurrences.
- Unique Bluetooth name for accurate connection
- Query battery string status
- Identify and replace abnormal batteries
- Set and read battery protection parameters
- Monitor and display battery fault alarms
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1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;
Screenshots
Verdict
The clearest difference is rating: DALY BMS at 1.8 against Pro BMS's 1.0. DALY BMS also leads on update cadence (weekly vs every 2 months) and ratings volume (11 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.
DALY BMS holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: DALY BMS has 11 ratings behind it against 1, so its average is the more settled of the two.
Pro BMS ships an update every 2 months, DALY BMS weekly. The most recent releases landed on August 18, 2026 and September 19, 2026 respectively.
| Parameter | Pro BMS | DALY BMS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.8 (11 ratings) — better |
| Positive reviews | — | 10.0% of reviews |
| Number of ratings | 1 | 11 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 57 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | 所兵 邱 |
Customer experience
Pro BMS
DALY BMS
In-app purchases
Pro BMS
No in-app purchases
DALY BMS
No in-app purchases








