# Solar vs Fronius Solar.start

The clearest difference is monetization model: Fronius Solar.start at free against Solar's free with in-app purchases. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for Solar against 3.0 for Fronius Solar.start. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews are what separate them: 20% of Solar's written reviews are positive against 22% of Fronius Solar.start's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Solar | Fronius Solar.start |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/solar-log-web-enerest-3/id1225564286/reviews) | [3.0 (5 ratings)](https://appshunter.io/ios/app/fronius-solarstart/id1509399310/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 19.7% of reviews | **21.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 202 MB |
| Requires iOS | **15.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Solar-Log GmbH](https://appshunter.io/developer/373967607) | [Fronius International GmbH](https://appshunter.io/developer/431601279) |

## What reviewers say

### Solar

[App page](https://appshunter.io/ios/app/solar-log-web-enerest-3/id1225564286)

Monitor and visualize all aspects of your photovoltaic plants. Customize your dashboard with over 45 combinations and receive real-time status updates and news. Secure data transfer ensures your information is protected.

**Highlights:** Customizable pinboard dashboard, Visualization of production and consumption data, Real-time status and news updates, Fullscreen balance chart mode, Encrypted data transfer, Package upgrades for enhanced functionality

**In-app purchases:** none


### 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 Solar free?

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

### Is Fronius Solar.start free?

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

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

Solar and Fronius Solar.start are both rated 3.0 out of 5 on the App Store, from 3 and 5 ratings respectively.

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

Neither Solar nor Fronius Solar.start shows ads.

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

Solar ships an update every 2 months, and Fronius Solar.start every 2 months. Most recently, Solar was updated on June 11, 2026 and Fronius Solar.start on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*