# Pro BMS vs DALY BMS

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.

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.

## The numbers

| Metric | Pro BMS | DALY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pro-bms/id6474855560/reviews) | **[1.8 (11 ratings)](https://appshunter.io/ios/app/daly-bms/id6738759485/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 35 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### Pro BMS

[App page](https://appshunter.io/ios/app/pro-bms/id6474855560)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### DALY BMS

[App page](https://appshunter.io/ios/app/daly-bms/id6738759485)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pro BMS free?

Pro BMS is free to download, with no in-app purchases.

### Is DALY BMS free?

DALY BMS is free to download, with no in-app purchases.

### Which has better reviews, Pro BMS or DALY BMS?

DALY BMS is rated higher. Pro BMS averages 1.0 out of 5 from 1 ratings, while DALY BMS averages 1.8 from 11 ratings.

### Do Pro BMS or DALY BMS have ads?

Neither Pro BMS nor DALY BMS shows ads.

### Which is updated more often, Pro BMS or DALY BMS?

Pro BMS ships an update every 2 months, and DALY BMS weekly. Most recently, Pro BMS was updated on August 18, 2026 and DALY BMS on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*