# JDY vs HC Solar

JDY and HC Solar are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | JDY | HC Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 30 MB | 112 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [坤 杨](https://appshunter.io/developer/1590949449) | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) |

## What reviewers say

### JDY

[App page](https://appshunter.io/ios/app/jdy/id1529869458)

**Features:** macOS Compatibility

**In-app purchases:** none


### HC Solar

[App page](https://appshunter.io/ios/app/hc-solar/id6736932550)

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

**In-app purchases:** none


## Frequently asked questions

### Is JDY free?

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

### Is HC Solar free?

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

### Do JDY or HC Solar have ads?

Neither JDY nor HC Solar 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.*