# Net DVR GJ vs Hy

The clearest difference is update cadence: Net DVR GJ at every 3 weeks against Hy's every 3 months. Net DVR GJ also leads on iOS requirement (9.0 vs 12.0). 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.

Net DVR GJ ships an update every 3 weeks, Hy every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Net DVR GJ | Hy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (5 ratings)](https://appshunter.io/ios/app/hy-power/id6447756193/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 97 MB | 43 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [志举 黄](https://appshunter.io/developer/1151358442) | [Jiangsu Hybrid Energy Technology Co., Ltd](https://appshunter.io/developer/1653244701) |

## What reviewers say

### Net DVR GJ

[App page](https://appshunter.io/ios/app/net-dvr-gj/id1632369965)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hy

[App page](https://appshunter.io/ios/app/hy-power/id6447756193)

Monitor and control hybrid energy systems remotely. Access real-time data from PV and ESS systems via the internet and adjust parameters from anywhere.

**Highlights:** Remote data monitoring, Real-time PV & ESS information, Remote control capabilities, Parameter settings, Internet connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Net DVR GJ free?

Net DVR GJ is free to download, with no in-app purchases.

### Is Hy free?

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

### Do Net DVR GJ or Hy have ads?

Neither Net DVR GJ nor Hy shows ads.

### Which is updated more often, Net DVR GJ or Hy?

Net DVR GJ ships an update every 3 weeks, and Hy every 3 months. Most recently, Net DVR GJ was updated on November 3, 2026 and Hy on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*