# GECP vs sonnen

GECP and sonnen both sit at 3.5 stars, but that hides the real split: 38% of sonnen's written reviews are positive against 0% of GECP's. sonnen also leads on ratings volume (20 vs 4). On price, rating, update cadence and ads 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 — 3.5 for GECP against 3.5 for sonnen. That said, the two scores are not equally well evidenced: sonnen has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 0% of GECP's written reviews are positive against 38% of sonnen's.

GECP ships an update every 3 weeks, sonnen fortnightly. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | GECP | sonnen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/gecp/id1659980640/reviews) | [3.5 (20 ratings)](https://appshunter.io/ios/app/sonnen/id6444147829/reviews) |
| Number of ratings | 4 | **20** |
| Positive reviews | 0.0% of reviews | **37.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 14 MB | 66 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LG ENERGY SOLUTION, LTD.](https://appshunter.io/developer/1583138049) | [sonnen GmbH](https://appshunter.io/developer/547979417) |

## What reviewers say

### GECP

[App page](https://appshunter.io/ios/app/gecp/id1659980640)

Request service for your LGES Home battery conveniently from your mobile device. Track the status of your service requests and manage installation schedules. Avoid the need to contact a call center directly for support.

**Highlights:** Request battery service, Track service request status, Manage installer schedules, Direct customer support access, Anytime, anywhere service requests

**Features:** Vision Pro support

**In-app purchases:** none


### sonnen

[App page](https://appshunter.io/ios/app/sonnen/id6444147829)

Manage your clean energy supply from anywhere. Monitor your solar PV system, battery, and EV charger in real-time. Gain insights into energy consumption and generation to optimize your usage and prepare for outages.

**Highlights:** Real-time energy data and insights, Monitor solar PV system performance, Track battery and EV charger status, View live energy flow and consumption, Access energy contract details, Set battery backup buffer

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GECP free?

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

### Is sonnen free?

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

### Which has better reviews, GECP or sonnen?

GECP and sonnen are both rated 3.5 out of 5 on the App Store, from 4 and 20 ratings respectively.

### Do GECP or sonnen have ads?

Neither GECP nor sonnen shows ads.

### Which is updated more often, GECP or sonnen?

GECP ships an update every 3 weeks, and sonnen fortnightly. Most recently, GECP was updated on September 23, 2026 and sonnen on September 26, 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.*