# HaiDi Pro vs BMS Manager

HaiDi Pro and BMS Manager are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HaiDi Pro ships an update every 2 months, BMS Manager every 3 months. The most recent releases landed on August 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | HaiDi Pro | BMS Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/haidi-pro/id6443414754/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 122 MB | 28 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) | [鹏 张](https://appshunter.io/developer/1425725690) |

## 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


### BMS Manager

[App page](https://appshunter.io/ios/app/bms-manager/id6449155110)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HaiDi Pro free?

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

### Is BMS Manager free?

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

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

Neither HaiDi Pro nor BMS Manager shows ads.

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

HaiDi Pro ships an update every 2 months, and BMS Manager every 3 months. Most recently, HaiDi Pro was updated on August 5, 2026 and BMS Manager on September 18, 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.*