# EnerKey vs Balance BMS

The clearest difference is review sentiment: EnerKey at 75% against Balance BMS's 31%. Balance BMS's advantage is rating (4.0 vs 3.5). On price, ratings volume, update cadence and ads there is nothing between them.

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

Balance BMS holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews complicate that: 75% of EnerKey's written reviews are positive against 31% of Balance BMS's, so the app with the better star average is not the one people write more warmly about.

EnerKey ships an update every 2 months, Balance BMS every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | EnerKey | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/enerkey/id6447932138/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | **75.0% of reviews** | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 56 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Jinwei Power Source Technology Co., Ltd](https://appshunter.io/developer/1683049152) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## 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


### Balance BMS

[App page](https://appshunter.io/ios/app/balance-bms/id6467124096)

This app allows users to connect to and manage lithium batteries via Bluetooth. It provides detailed information about battery status, helps identify and manage individual battery strings, and allows for setting and reading safety parameters. Users can also monitor and be alerted to battery faults.

**Highlights:** Bluetooth battery connection, Battery status query, Identify abnormal batteries, Set battery protection parameters, Monitor battery fault alarms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EnerKey free?

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

### Is Balance BMS free?

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

### Which has better reviews, EnerKey or Balance BMS?

Balance BMS is rated higher. EnerKey averages 3.5 out of 5 from 4 ratings, while Balance BMS averages 4.0 from 6 ratings.

### Do EnerKey or Balance BMS have ads?

Neither EnerKey nor Balance BMS shows ads.

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

EnerKey ships an update every 2 months, and Balance BMS every 6 weeks. Most recently, EnerKey was updated on October 24, 2026 and Balance BMS on October 21, 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.*