# EG4 vs Balance BMS

The clearest difference is rating: Balance BMS at 4.0 against EG4's 2.3. Balance BMS also leads on iOS requirement (12.0 vs 14.0). On price, review sentiment, ratings volume and update cadence 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 2.3. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews point the same way: 25% of EG4's written reviews are positive against 31% of Balance BMS's.

EG4 ships an update every 3 weeks, Balance BMS every 6 weeks. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | EG4 | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (12 ratings)](https://appshunter.io/ios/app/eg4/id1571511617/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 25.0% of reviews | **30.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 10 MB | 56 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [琼莉 吴](https://appshunter.io/developer/1741032172) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### EG4

[App page](https://appshunter.io/ios/app/eg4/id1571511617)

This utility app monitors your device's battery health in real-time. It displays key metrics such as current, temperature, and voltage via Bluetooth connection. Keep track of your battery's vital signs to ensure optimal performance.

**Highlights:** Monitor battery health, Display current, temperature, voltage, Bluetooth connectivity, Real-time status updates, Device compatibility for iPhone/iPad

**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 EG4 free?

EG4 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, EG4 or Balance BMS?

Balance BMS is rated higher. EG4 averages 2.3 out of 5 from 12 ratings, while Balance BMS averages 4.0 from 6 ratings.

### Do EG4 or Balance BMS have ads?

Neither EG4 nor Balance BMS shows ads.

### Which is updated more often, EG4 or Balance BMS?

EG4 ships an update every 3 weeks, and Balance BMS every 6 weeks. Most recently, EG4 was updated on October 20, 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.*