# My E3/DC vs RCT App 2.0

The clearest difference is iOS requirement: RCT App 2.0 at 13.0 against My E3/DC's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

My E3/DC ships an update every 2 months, RCT App 2.0 every 4 months. The most recent releases landed on September 17, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | My E3/DC | RCT App 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 3.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 27 MB | 40 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HagerEnergy GmbH](https://appshunter.io/developer/437484845) | [RCT Power GmbH](https://appshunter.io/developer/1392659398) |

## What reviewers say

### My E3/DC

[App page](https://appshunter.io/ios/app/my-e3dc/id6463873702)

**In-app purchases:** none


### RCT App 2.0

[App page](https://appshunter.io/ios/app/rct-app-20/id6473448807)

Monitor your solar power system's performance in real-time. Track electricity production, storage, consumption, and grid feed-in. Analyze historical data to optimize self-consumption and manage your energy.

**Highlights:** Real-time PV system data, Electricity storage tracking, Consumption analysis, Grid feed-in monitoring, Daily, monthly, yearly data analysis, Inverter commissioning

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

**In-app purchases:** none


## Frequently asked questions

### Is My E3/DC free?

My E3/DC is free to download, with no in-app purchases.

### Is RCT App 2.0 free?

RCT App 2.0 is free to download, with no in-app purchases.

### Do My E3/DC or RCT App 2.0 have ads?

Neither My E3/DC nor RCT App 2.0 shows ads.

### Which is updated more often, My E3/DC or RCT App 2.0?

My E3/DC ships an update every 2 months, and RCT App 2.0 every 4 months. Most recently, My E3/DC was updated on September 17, 2026 and RCT App 2.0 on July 21, 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.*