# E_Test vs Balance BMS

The clearest difference is rating: Balance BMS at 4.0 against E_Test's 1.8. Balance BMS also leads on review sentiment (31% vs 15%). E_Test's advantage is ratings volume (32 vs 6) and iOS requirement (9.0 vs 12.0). 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.

Balance BMS holds the better App Store score, 4.0 against 1.8. That said, the two scores are not equally well evidenced: E_Test has 32 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 15% of E_Test's written reviews are positive against 31% of Balance BMS's.

## The numbers

| Metric | E_Test | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (32 ratings)](https://appshunter.io/ios/app/e-test/id1478623332/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews)** |
| Number of ratings | **32** | 6 |
| Positive reviews | 15.4% of reviews | **30.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | Free | Free |
| Size | 20 MB | 56 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杰 唐](https://appshunter.io/developer/1475646045) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### E_Test

[App page](https://appshunter.io/ios/app/e-test/id1478623332)

This app connects to Bluetooth meters to display real-time voltage, current, and power consumption. It allows users to view historical data through curves and supports DC, AC, and USB meters for simple, direct connection.

**Highlights:** Real-time voltage, current, power display, View power consumption curves, Connects to DC, AC, USB meters, Simple Bluetooth connection, Historical data viewing

**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 E_Test free?

E_Test 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, E_Test or Balance BMS?

Balance BMS is rated higher. E_Test averages 1.8 out of 5 from 32 ratings, while Balance BMS averages 4.0 from 6 ratings.

### Do E_Test or Balance BMS have ads?

Neither E_Test nor Balance BMS shows ads.

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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.*