# Fronius Solar.web vs EMA Manager

The clearest difference is monetization model: EMA Manager at free against Fronius Solar.web's free with in-app purchases. EMA Manager also leads on iOS requirement (13.1 vs 16.0). 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 — 3.1 for Fronius Solar.web against 3.1 for EMA Manager. Both are backed by a comparable volume of ratings — 7 and 15 respectively. Written reviews are what separate them: 19% of Fronius Solar.web's written reviews are positive against 16% of EMA Manager's.

Fronius Solar.web ships an update every 3 weeks, EMA Manager fortnightly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Fronius Solar.web | EMA Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/fronius-solarweb/id1528302827/reviews) | [3.1 (15 ratings)](https://appshunter.io/ios/app/ema-manager/id1538883821/reviews) |
| Number of ratings | 7 | **15** |
| Positive reviews | **18.9% of reviews** | 16.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 168 MB | 243 MB |
| Requires iOS | 16.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) |

## 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


### EMA Manager

[App page](https://appshunter.io/ios/app/ema-manager/id1538883821)

Manage APsystems microinverter system commissioning, monitoring, and troubleshooting remotely. Enhance customer service with real-time diagnostics and site management capabilities from your smartphone or tablet. Track installer statistics and energy production for valuable insights.

**Highlights:** System commissioning, Remote monitoring, Troubleshooting diagnostics, Energy production tracking, Site configuration, Installer statistics

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

**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 EMA Manager free?

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

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

Fronius Solar.web and EMA Manager are both rated 3.1 out of 5 on the App Store, from 7 and 15 ratings respectively.

### Do Fronius Solar.web or EMA Manager have ads?

Neither Fronius Solar.web nor EMA Manager shows ads.

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

Fronius Solar.web ships an update every 3 weeks, and EMA Manager fortnightly. Most recently, Fronius Solar.web was updated on September 22, 2026 and EMA Manager on September 9, 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.*