# mySolarfocus vs JU

The clearest difference is update cadence: mySolarfocus at every 3 weeks against JU's every 3 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

mySolarfocus ships an update every 3 weeks, JU every 3 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | mySolarfocus | JU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ju-control/id1231415741/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **15.0% of reviews** | 11.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 108 MB | 11 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Solarfocus GmbH](https://appshunter.io/developer/998505942) | [JUDO Wasseraufbereitung GmbH](https://appshunter.io/developer/412864390) |

## What reviewers say

### mySolarfocus

[App page](https://appshunter.io/ios/app/mysolarfocus/id998505943)

Control your heating system remotely via smartphone. Adjust operating modes, heating times, and hot water settings. Monitor solar thermal system performance with clear graphics and receive important system notifications.

**Highlights:** Remote heating system control, Adjust operating modes, Set heating times, Manage hot water settings, Monitor solar thermal performance, Receive system notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### JU

[App page](https://appshunter.io/ios/app/ju-control/id1231415741)

Remotely control and monitor network-enabled devices from JUDO. Receive notifications for important events and adjust settings for optimal water quality. Manage multiple devices, perfect for landlords or those with several JUDO products.

**Highlights:** Remote device control, Real-time status monitoring, Push notifications for events, Adjustable water quality settings, Manage multiple devices, Backwash reminder function

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

**In-app purchases:** none


## Frequently asked questions

### Is mySolarfocus free?

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

### Is JU free?

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

### Do mySolarfocus or JU have ads?

Neither mySolarfocus nor JU shows ads.

### Which is updated more often, mySolarfocus or JU?

mySolarfocus ships an update every 3 weeks, and JU every 3 months. Most recently, mySolarfocus was updated on October 17, 2026 and JU on October 15, 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.*