# Hy vs What Speed

The clearest difference is in-app purchases: Hy at none against What Speed's 4. Hy also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.6). On price and ads there is nothing between them.

Both are free to download. What Speed sells 4 one-off in-app purchases. Hy asks for nothing beyond the download.

## The numbers

| Metric | Hy | What Speed |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jiangsu Hybrid Energy Technology Co., Ltd](https://appshunter.io/developer/1653244701) | [Six Pine Trees Limited](https://appshunter.io/developer/1896543525) |

## 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


### What Speed

[App page](https://appshunter.io/ios/app/what-speed/id6768136482)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation - Small | $1.00 | one-time |
| Donation - Medium | $5.00 | one-time |
| Donation - Large | $10.00 | one-time |
| Donation - Generous | $100.00 | one-time |


## Frequently asked questions

### Is Hy free?

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

### Is What Speed free?

What Speed is free to download, with in-app purchases available.

### Do Hy or What Speed have ads?

Neither Hy nor What Speed 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.*