# Hydronic vs MyWattsun

The clearest difference is update cadence: Hydronic at weekly against MyWattsun's every 2 weeks. 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.

Hydronic ships an update weekly, MyWattsun every 2 weeks. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hydronic | MyWattsun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 2 MB | 56 MB |
| Requires iOS | **12.1** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philip Antecol](https://appshunter.io/developer/1210668842) | [AHASOLAR TECHNOLOGIES LIMITED](https://appshunter.io/developer/1632224285) |

## What reviewers say

### Hydronic

[App page](https://appshunter.io/ios/app/hydronic/id1210668843)

**Features:** macOS Compatibility

**In-app purchases:** none


### MyWattsun

[App page](https://appshunter.io/ios/app/mywattsun/id6467620181)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydronic free?

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

### Is MyWattsun free?

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

### Do Hydronic or MyWattsun have ads?

Neither Hydronic nor MyWattsun shows ads.

### Which is updated more often, Hydronic or MyWattsun?

Hydronic ships an update weekly, and MyWattsun every 2 weeks. Most recently, Hydronic was updated on October 6, 2026 and MyWattsun on October 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.*