# My Solar vs Thermann Control

The clearest difference is update cadence: Thermann Control at every 2 months against My Solar's every 57 months. Thermann Control also leads on monetization model (free vs ad-supported) and iOS requirement (14.0 vs 16.0). My Solar's advantage is review sentiment (41% vs 21%). 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.

My Solar ships an update every 57 months, Thermann Control every 2 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | My Solar | Thermann Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **40.6% of reviews** | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 1 MB | 88 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solar Analytics](https://appshunter.io/developer/1229560208) | [Thermowatt SpA](https://appshunter.io/developer/1619740671) |

## What reviewers say

### My Solar

[App page](https://appshunter.io/ios/app/my-solar/id1229560209)

Track your rooftop solar system's performance and optimize your energy usage. Get personalized recommendations for energy plans, analyze your bills, and understand if a battery is a good investment. Monitor your savings and receive alerts for system attention.

**Highlights:** Personalized energy plan recommendations, Household energy usage tracking, Electricity bill analysis, Battery calculator, Solar savings monitoring, Automated alerts and notifications

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

**In-app purchases:** none


### Thermann Control

[App page](https://appshunter.io/ios/app/thermann-control/id6480348958)

Remotely manage your water heater's temperature and schedule from your smartphone or tablet. Optimize heating to save energy and receive instant notifications for any malfunctions, ensuring hot water when you need it.

**Highlights:** Remote temperature control, Scheduling on/off times, Operating status updates, Energy saving optimization, Malfunction notifications, Remote on/off switching

**In-app purchases:** none


## Frequently asked questions

### Is My Solar free?

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

### Is Thermann Control free?

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

### Do My Solar or Thermann Control have ads?

Neither My Solar nor Thermann Control shows ads.

### Which is updated more often, My Solar or Thermann Control?

My Solar ships an update every 57 months, and Thermann Control every 2 months. Most recently, My Solar was updated on September 22, 2026 and Thermann Control on September 23, 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.*