# EnerKey vs JKESS

The clearest difference is update cadence: EnerKey at every 2 months against JKESS's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

EnerKey ships an update every 2 months, JKESS every 8 months. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EnerKey | JKESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/enerkey/id6447932138/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | — |
| Size | 31 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jinwei Power Source Technology Co., Ltd](https://appshunter.io/developer/1683049152) | [Shenzhen Nengyi Electronic Technology Co.,Ltd](https://appshunter.io/developer/1745332820) |

## 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


### JKESS

[App page](https://appshunter.io/ios/app/jkess/id6502400975)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EnerKey free?

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

### Is JKESS free?

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

### Do EnerKey or JKESS have ads?

Neither EnerKey nor JKESS shows ads.

### Which is updated more often, EnerKey or JKESS?

EnerKey ships an update every 2 months, and JKESS every 8 months. Most recently, EnerKey was updated on September 25, 2026 and JKESS on October 7, 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.*