# PV Solar Forecast vs Fronius Solar.start

The clearest difference is rating: PV Solar Forecast at 4.0 against Fronius Solar.start's 3.0. PV Solar Forecast also leads on ratings volume (43 vs 5) and iOS requirement (13.0 vs 16.0). Fronius Solar.start's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. PV Solar Forecast sells 2 in-app purchases, starting at $9.99 per month. Fronius Solar.start asks for nothing beyond the download.

PV Solar Forecast holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: PV Solar Forecast has 43 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 21% and 22% positive.

PV Solar Forecast ships an update every 3 months, Fronius Solar.start every 2 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PV Solar Forecast | Fronius Solar.start |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (43 ratings)](https://appshunter.io/ios/app/pv-solar-forecast/id1496274910/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/fronius-solarstart/id1509399310/reviews) |
| Number of ratings | **43** | 5 |
| Positive reviews | 21.2% of reviews | **21.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 202 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Fronius International GmbH](https://appshunter.io/developer/431601279) |

## What reviewers say

### PV Solar Forecast

[App page](https://appshunter.io/ios/app/pv-solar-forecast/id1496274910)

Predict your solar power generation for up to 360 hours and 15 days ahead. This tool helps you save energy and money by planning appliance usage, EV charging, and understanding your system's output. It also provides detailed weather forecasts and data export options.

**Highlights:** 360-hour solar production forecast, 15-day daily solar production forecast, 12-month monthly generation forecasts, CSV data export, Current power estimation, Global location forecasting, Hourly weather forecast

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $9.99 | per month |
| Unlock all features | $39.99 | per year |


### Fronius Solar.start

[App page](https://appshunter.io/ios/app/fronius-solarstart/id1509399310)

This app simplifies the setup of Fronius inverters and related devices through a guided, step-by-step process. It allows for quick commissioning, firmware updates, and integration with the Fronius Solar.web monitoring platform directly from a mobile device.

**Highlights:** QR-code scanning for device setup, Step-by-step commissioning guide, Inverter firmware updates, Network and product configuration, Integration with Fronius Solar.web, Quick access to web interface, How-to videos

**In-app purchases:** none


## Frequently asked questions

### Is PV Solar Forecast free?

PV Solar Forecast is free to download, with in-app purchases available.

### Is Fronius Solar.start free?

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

### Which has better reviews, PV Solar Forecast or Fronius Solar.start?

PV Solar Forecast is rated higher. PV Solar Forecast averages 4.0 out of 5 from 43 ratings, while Fronius Solar.start averages 3.0 from 5 ratings.

### Do PV Solar Forecast or Fronius Solar.start have ads?

PV Solar Forecast shows ads; Fronius Solar.start does not.

### Which is updated more often, PV Solar Forecast or Fronius Solar.start?

PV Solar Forecast ships an update every 3 months, and Fronius Solar.start every 2 months. Most recently, PV Solar Forecast was updated on October 14, 2026 and Fronius Solar.start on October 16, 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.*