# Fronius Solar.SOS vs Soluna eCloud

Fronius Solar.SOS and Soluna eCloud are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Fronius Solar.SOS ships an update every 3 months, Soluna eCloud every 2 months. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Fronius Solar.SOS | Soluna eCloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/fronius-solarsos/id1516602936/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 15 MB | 33 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [Shanghai Raymon IoT Technology Co., Ltd.](https://appshunter.io/developer/1649162918) |

## What reviewers say

### Fronius Solar.SOS

[App page](https://appshunter.io/ios/app/fronius-solarsos/id1516602936)

This business tool helps installers quickly resolve technical issues with solar systems. It allows for easy ordering of replacement parts and provides access to important documentation. The app streamlines the service process directly at the installation site.

**Highlights:** Manage multiple accounts, Order replacement parts, Track order status, Messaging with support, Access installation guides, Troubleshoot technical issues

**In-app purchases:** none


### Soluna eCloud

[App page](https://appshunter.io/ios/app/soluna-ecloud/id6444200437)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fronius Solar.SOS free?

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

### Is Soluna eCloud free?

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

### Do Fronius Solar.SOS or Soluna eCloud have ads?

Neither Fronius Solar.SOS nor Soluna eCloud shows ads.

### Which is updated more often, Fronius Solar.SOS or Soluna eCloud?

Fronius Solar.SOS ships an update every 3 months, and Soluna eCloud every 2 months. Most recently, Fronius Solar.SOS was updated on September 30, 2026 and Soluna eCloud on September 24, 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.*