# EP vs JK BMS

The clearest difference is review sentiment: JK BMS at 100% against EP's 15%. JK BMS also leads on rating (4.3 vs 1.9) and update cadence (weekly vs every 2 months). EP's advantage is ratings volume (23 vs 7) and iOS requirement (8.0 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 1.9. Both are backed by a comparable volume of ratings — 23 and 7 respectively. Written reviews point the same way: 15% of EP's written reviews are positive against 100% of JK BMS's.

EP ships an update every 2 months, JK BMS weekly. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EP | JK BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (23 ratings)](https://appshunter.io/ios/app/ep-01/id1330876647/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/jk-bms/id6773679719/reviews)** |
| Number of ratings | **23** | 7 |
| Positive reviews | 15.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 30 MB | 17 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BEIJING EPSOLAR TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1330876646) | [鹏 张](https://appshunter.io/developer/1425725690) |

## What reviewers say

### EP

[App page](https://appshunter.io/ios/app/ep-01/id1330876647)

This communication software connects controllers and inverters. It supports 485 and infrared interfaces, automatically switching content based on device name for simplified operation.

**Highlights:** Controller and inverter communication, Supports 485 interface, Supports infrared controller, Automatic content switching, Simplified user operation

**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 EP free?

EP 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, EP or JK BMS?

JK BMS is rated higher. EP averages 1.9 out of 5 from 23 ratings, while JK BMS averages 4.3 from 7 ratings.

### Do EP or JK BMS have ads?

Neither EP nor JK BMS shows ads.

### Which is updated more often, EP or JK BMS?

EP ships an update every 2 months, and JK BMS weekly. Most recently, EP was updated on October 20, 2026 and JK BMS on October 11, 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.*