# MyPVOutput vs WattPreis

The clearest difference is in-app purchases: WattPreis at none against MyPVOutput's 3. MyPVOutput's advantage is update cadence (every 4 days vs every 2 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MyPVOutput sells 3 in-app purchases, starting at $0.99 per month. WattPreis asks for nothing beyond the download.

MyPVOutput ships an update every 4 days, WattPreis every 2 months. The most recent releases landed on November 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MyPVOutput | WattPreis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mypvoutput/id6763410171/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Michal Henryk Mirski](https://appshunter.io/developer/1890680877) | [Egor Sazanovich](https://appshunter.io/developer/1890317488) |

## What reviewers say

### MyPVOutput

[App page](https://appshunter.io/ios/app/mypvoutput/id6763410171)

Monitor your solar panel electricity production and consumption directly from your iPhone, iPad, or Apple Watch. Visualize daily, monthly, and yearly data with interactive charts and compare performance across different systems and time periods. Keep key figures accessible on your home screen or watch face.

**Highlights:** Solar production and consumption monitoring, Daily, monthly, and yearly data visualization, Interactive charts and comparisons, Home Screen, Lock Screen, and Apple Watch widgets, Support for multiple solar systems, Temperature data display

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support MyPVOutput | $0.99 | per month |
| Support MyPVOutput | $9.99 | per year |
| PRO | $3.99 | one-time |


### WattPreis

[App page](https://appshunter.io/ios/app/wattpreis/id6784175172)

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

**In-app purchases:** none


## Frequently asked questions

### Is MyPVOutput free?

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

### Is WattPreis free?

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

### Do MyPVOutput or WattPreis have ads?

Neither MyPVOutput nor WattPreis shows ads.

### Which is updated more often, MyPVOutput or WattPreis?

MyPVOutput ships an update every 4 days, and WattPreis every 2 months. Most recently, MyPVOutput was updated on November 5, 2026 and WattPreis on October 14, 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.*