# evcc.io vs KOSTAL Solar 4me

evcc.io and KOSTAL Solar 4me are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads 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.

evcc.io ships an update every 2 months, KOSTAL Solar 4me every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | evcc.io | KOSTAL Solar 4me |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evccio/id6478510176/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.9% of reviews | **95.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 46 MB | 191 MB |
| Requires iOS | 16.4 | **15.3** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Geers](https://appshunter.io/developer/1732866325) | [KOSTAL Solar Electric GmbH](https://appshunter.io/developer/961587700) |

## What reviewers say

### evcc.io

[App page](https://appshunter.io/ios/app/evccio/id6478510176)

Control your home's electric vehicle charging based on solar energy availability or off-peak electricity rates. This app provides remote access to your local evcc server for seamless integration with your EV charger and compatible solar or battery systems.

**Highlights:** Automatic evcc server detection, Interaction with evcc UI, Demo instance for testing, Light/Dark mode, Supports various EV chargers, Integrates with smart plugs and battery systems

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

**In-app purchases:** none


### KOSTAL Solar 4me

[App page](https://appshunter.io/ios/app/kostal-solar-4me/id6744529417)

Monitor your home's energy generation, consumption, and grid feed-in with a modern, intuitive interface. Track all energy flows, compare historical data, and optimize self-consumption. Control your ENECTOR wallbox directly from the app.

**Highlights:** Energy generation and consumption monitoring, Live data within home network, Historical data comparison, System status overview, Device status visibility, Easy wallbox control, Dark Mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is evcc.io free?

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

### Is KOSTAL Solar 4me free?

KOSTAL Solar 4me is free to download, with no in-app purchases.

### Do evcc.io or KOSTAL Solar 4me have ads?

Neither evcc.io nor KOSTAL Solar 4me shows ads.

### Which is updated more often, evcc.io or KOSTAL Solar 4me?

evcc.io ships an update every 2 months, and KOSTAL Solar 4me every 5 weeks. Most recently, evcc.io was updated on October 24, 2026 and KOSTAL Solar 4me on October 25, 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.*