# E_Test vs JK BMS

The clearest difference is review sentiment: JK BMS at 100% against E_Test's 15%. JK BMS also leads on rating (4.3 vs 1.8). E_Test's advantage is ratings volume (31 vs 7) and iOS requirement (9.0 vs 15.6). 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.

JK BMS holds the better App Store score, 4.3 against 1.8. Both are backed by a comparable volume of ratings — 31 and 7 respectively. Written reviews point the same way: 15% of E_Test's written reviews are positive against 100% of JK BMS's.

## The numbers

| Metric | E_Test | JK BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (31 ratings)](https://appshunter.io/ios/app/e-test/id1478623332/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/jk-bms/id6773679719/reviews)** |
| Number of ratings | **31** | 7 |
| Positive reviews | 15.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | Free |
| Size | 20 MB | 17 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰 唐](https://appshunter.io/developer/1475646045) | [鹏 张](https://appshunter.io/developer/1425725690) |

## 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


### JK BMS

[App page](https://appshunter.io/ios/app/jk-bms/id6773679719)

This utility app connects via Bluetooth to an active balancer for battery management. It allows for real-time monitoring of system status, setting operational parameters, and controlling battery management devices.

**Highlights:** Real-time status monitoring, Running parameter settings, Battery management system device control, Bluetooth connectivity, Active balancer integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E_Test free?

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

### Is JK BMS free?

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

### Which has better reviews, E_Test or JK BMS?

JK BMS is rated higher. E_Test averages 1.8 out of 5 from 31 ratings, while JK BMS averages 4.3 from 7 ratings.

### Do E_Test or JK BMS have ads?

Neither E_Test nor JK 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.*