# EnerKey vs BMS Manager

EnerKey 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.

EnerKey ships an update every 2 months, BMS Manager every 3 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | EnerKey | BMS Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/enerkey/id6447932138/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 31 MB | 28 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Jinwei Power Source Technology Co., Ltd](https://appshunter.io/developer/1683049152) | [鹏 张](https://appshunter.io/developer/1425725690) |

## What reviewers say

### EnerKey

[App page](https://appshunter.io/ios/app/enerkey/id6447932138)

Monitor and control your lithium battery system in real-time. View current status, historical data, and adjust protective parameters to ensure safe operation. Receive instant alerts for any abnormal conditions.

**Highlights:** Real-time battery monitoring, Historical data inquiry, Parameter setting, Alarm notifications, Voltage, current, and temperature display

**Features:** macOS Compatibility

**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 EnerKey free?

EnerKey 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 EnerKey or BMS Manager have ads?

Neither EnerKey nor BMS Manager shows ads.

### Which is updated more often, EnerKey or BMS Manager?

EnerKey ships an update every 2 months, and BMS Manager every 3 months. Most recently, EnerKey was updated on September 25, 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.*