# Fronius Solar.web vs S

The clearest difference is rating: S at 4.1 against Fronius Solar.web's 3.1. S also leads on monetization model (free vs free with in-app purchases) and review sentiment (37% vs 19%). On price, update cadence, 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.

S holds the better App Store score, 4.1 against 3.1. That said, the two scores are not equally well evidenced: S has 89 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 19% of Fronius Solar.web's written reviews are positive against 37% of S's.

Fronius Solar.web ships an update every 3 weeks, S monthly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Fronius Solar.web | S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/fronius-solarweb/id1528302827/reviews) | **[4.1 (89 ratings)](https://appshunter.io/ios/app/s-miles-enduser/id1544760866/reviews)** |
| Number of ratings | 7 | **89** |
| Positive reviews | 18.9% of reviews | **37.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 168 MB | 207 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) |

## What reviewers say

### Fronius Solar.web

[App page](https://appshunter.io/ios/app/fronius-solarweb/id1528302827)

Monitor your photovoltaic system's performance with live data, historical energy trends, and expected generation. Manage batteries, analyze earnings, and view system components. Widgets provide quick access to key information.

**Highlights:** Live PV system data display, Historical energy data analysis, Expected generation forecasting, Battery management features, Earnings evaluation, System component viewing, Home and lock screen widgets

**Features:** iMessage stickers

**In-app purchases:** none

**What reviewers like**

- 🚀 Sleek and intuitive UI
- 👍 Comprehensive monitoring of solar production and consumption
- 🔋 Excellent battery management features

**What reviewers complain about**

- 🐛 Frequent login issues and app crashes
- ⏱️ Slow data updates and laggy performance
- 📉 Inconsistent or missing historical data
- 🔒 Lack of security features like biometric login

**Reported bugs**

- Daily production graph not functioning properly
- Inability to log in or add new installations
- Discrepancies between app and web portal data

**Requested features**

- Customizable notifications and alerts
- Integration with smart home platforms
- Improved data visualization and export options
- Apple Watch app for at-a-glance monitoring


### S

[App page](https://appshunter.io/ios/app/s-miles-enduser/id1544760866)

Monitor your distributed PV power plant's performance with real-time data. Track energy generation, view module-level details, and receive equipment alarm notifications to ensure optimal operation and yield.

**Highlights:** Module-level monitoring, Real-time data display, Plant-level data, Energy generation tracking, Alarm information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fronius Solar.web free?

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

### Is S free?

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

### Which has better reviews, Fronius Solar.web or S?

S is rated higher. Fronius Solar.web averages 3.1 out of 5 from 7 ratings, while S averages 4.1 from 89 ratings.

### Do Fronius Solar.web or S have ads?

Neither Fronius Solar.web nor S shows ads.

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

Fronius Solar.web ships an update every 3 weeks, and S monthly. Most recently, Fronius Solar.web was updated on September 22, 2026 and S on September 20, 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.*