# Hy vs Data Loggers

The clearest difference is update cadence: Data Loggers at every 5 days against Hy's every 3 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.

Hy ships an update every 3 months, Data Loggers every 5 days. The most recent releases landed on October 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Hy | Data Loggers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hy-power/id6447756193/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 43 MB | 82 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Jiangsu Hybrid Energy Technology Co., Ltd](https://appshunter.io/developer/1653244701) | [宪清 孟](https://appshunter.io/developer/1726197106) |

## What reviewers say

### 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


### Data Loggers

[App page](https://appshunter.io/ios/app/data-loggers/id6636478232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hy free?

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

### Is Data Loggers free?

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

### Do Hy or Data Loggers have ads?

Neither Hy nor Data Loggers shows ads.

### Which is updated more often, Hy or Data Loggers?

Hy ships an update every 3 months, and Data Loggers every 5 days. Most recently, Hy was updated on October 12, 2026 and Data Loggers on September 27, 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.*