# KOYOE vs JOYCHARGE

The clearest difference is iOS requirement: JOYCHARGE at 13.0 against KOYOE's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KOYOE ships an update fortnightly, JOYCHARGE every 3 weeks. The most recent releases landed on August 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | KOYOE | JOYCHARGE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 47 MB | 34 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiangsu Koyoe Energy Technology Co.,Ltd](https://appshunter.io/developer/1501799525) | [Ningbo JOYSONQUIN Intelligence Technology Co.,Ltd.](https://appshunter.io/developer/1645841026) |

## What reviewers say

### KOYOE

[App page](https://appshunter.io/ios/app/koyoe/id1501799586)

This platform allows users to centrally monitor, analyze, and display data from power stations. It provides insights into operational status, energy efficiency, and revenue estimation, offering a scientific basis for economic operations and power station design. Real-time communication aids in quick fault diagnosis for safe operation.

**Highlights:** Centralized monitoring of power station data, Analysis of energy efficiency and operation status, Revenue estimation for power stations, Real-time fault information processing, Technical support for safe power station operation

**Features:** Vision Pro support

**In-app purchases:** none


### JOYCHARGE

[App page](https://appshunter.io/ios/app/joycharge/id1645840783)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOYOE free?

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

### Is JOYCHARGE free?

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

### Do KOYOE or JOYCHARGE have ads?

Neither KOYOE nor JOYCHARGE shows ads.

### Which is updated more often, KOYOE or JOYCHARGE?

KOYOE ships an update fortnightly, and JOYCHARGE every 3 weeks. Most recently, KOYOE was updated on August 18, 2026 and JOYCHARGE on September 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.*