# Fronius Solar.SOS vs Evchargo

The clearest difference is rating: Evchargo at 4.5 against Fronius Solar.SOS's 1.5. Evchargo also leads on review sentiment (20% vs 0%) and update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Evchargo holds the better App Store score, 4.5 against 1.5. That said, the two scores are not equally well evidenced: Evchargo has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Fronius Solar.SOS's written reviews are positive against 20% of Evchargo's.

Fronius Solar.SOS ships an update every 3 months, Evchargo monthly. The most recent releases landed on August 19, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Fronius Solar.SOS | Evchargo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/fronius-solarsos/id1516602936/reviews) | **[4.5 (17 ratings)](https://appshunter.io/ios/app/evchargo/id1533765408/reviews)** |
| Number of ratings | 2 | **17** |
| Positive reviews | 0.0% of reviews | **19.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 15 MB | 102 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fronius International GmbH](https://appshunter.io/developer/431601279) | [ENPOWER SG PTE. LTD.](https://appshunter.io/developer/1891350557) |

## 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


### Evchargo

[App page](https://appshunter.io/ios/app/evchargo/id1533765408)

This app helps electric vehicle drivers find public charging stations with real-time availability and navigation. It also offers intelligent control for home charging stations, including various charging modes and scheduling.

**Highlights:** Find public charging stations, Real-time charging status monitoring, Smart home charging control, Multiple home charging modes, Scheduled charging, RFID-based charging, Payment processing

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- ✅ Recent updates fixed major issues
- ⚡ Easy setup process for new users
- 🎯 Useful power adjustment feature (1.4kW-7kW range)
- 📊 Good usage tracking and scheduling capabilities
- 👨‍👩‍👧‍👦 Multi-user account management

**What reviewers complain about**

- 🐛 Frequent WiFi connection drops
- 🐛 App shows offline when charger is actually online
- ❌ Unreliable scheduled charging feature
- ❌ Inconsistent power/current settings
- 🔧 Complicated and confusing setup process

**Reported bugs**

- App logs users off unexpectedly
- Scheduled charging only works occasionally
- Load current setting ignored or reverts to default
- RFID card recognition failures
- App crashes and freezes

**Requested features**

- Apple Watch app integration
- Ability to rename charging stations
- Fingerprint/face recognition unlock
- Better data export formats (xlsx, CSV instead of xls)
- Improved charging history display


## Frequently asked questions

### Is Fronius Solar.SOS free?

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

### Is Evchargo free?

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

### Which has better reviews, Fronius Solar.SOS or Evchargo?

Evchargo is rated higher. Fronius Solar.SOS averages 1.5 out of 5 from 2 ratings, while Evchargo averages 4.5 from 17 ratings.

### Do Fronius Solar.SOS or Evchargo have ads?

Neither Fronius Solar.SOS nor Evchargo shows ads.

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

Fronius Solar.SOS ships an update every 3 months, and Evchargo monthly. Most recently, Fronius Solar.SOS was updated on August 19, 2026 and Evchargo on September 5, 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.*