# HaiDi Pro vs DALY BMS

The clearest difference is rating: DALY BMS at 1.8 against HaiDi Pro's 1.0. DALY BMS also leads on update cadence (weekly vs every 2 months) and ratings volume (12 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 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of HaiDi Pro's written reviews are positive against 9% of DALY BMS's.

HaiDi Pro ships an update every 2 months, DALY BMS weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | HaiDi Pro | DALY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/haidi-pro/id6443414754/reviews) | **[1.8 (12 ratings)](https://appshunter.io/ios/app/daly-bms/id6738759485/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | 0.0% of reviews | **9.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 122 MB | 57 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### HaiDi Pro

[App page](https://appshunter.io/ios/app/haidi-pro/id6443414754)

Monitor and manage your lithium battery packs via Bluetooth. View detailed status information, set protection parameters, and receive real-time alerts for abnormalities. Access historical alarm records for troubleshooting.

**Highlights:** Connect via Bluetooth, Read battery pack status, View voltage, current, temperature, Set protection parameters, Receive abnormality alarms, Historical alarm records

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

**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 HaiDi Pro free?

HaiDi Pro 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, HaiDi Pro or DALY BMS?

DALY BMS is rated higher. HaiDi Pro averages 1.0 out of 5 from 1 ratings, while DALY BMS averages 1.8 from 12 ratings.

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

Neither HaiDi Pro nor DALY BMS shows ads.

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

HaiDi Pro ships an update every 2 months, and DALY BMS weekly. Most recently, HaiDi Pro was updated on November 3, 2026 and DALY BMS on November 4, 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.*