# RDS Connected Command vs Energy Butler

RDS Connected Command and Energy Butler 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.

RDS Connected Command ships an update monthly, Energy Butler every 2 months. The most recent releases landed on September 20, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | RDS Connected Command | Energy Butler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 140 MB | 138 MB |
| Requires iOS | **14** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rosenbauer International AG](https://appshunter.io/developer/1157857839) | [M-TEC Energy Systems GmbH](https://appshunter.io/developer/1660700474) |

## What reviewers say

### RDS Connected Command

[App page](https://appshunter.io/ios/app/rds-connected-command/id6443983024)

**Features:** macOS Compatibility

**In-app purchases:** none


### Energy Butler

[App page](https://appshunter.io/ios/app/energy-butler/id6444632940)

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

**In-app purchases:** none


## Frequently asked questions

### Is RDS Connected Command free?

RDS Connected Command is free to download, with no in-app purchases.

### Is Energy Butler free?

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

### Do RDS Connected Command or Energy Butler have ads?

Neither RDS Connected Command nor Energy Butler shows ads.

### Which is updated more often, RDS Connected Command or Energy Butler?

RDS Connected Command ships an update monthly, and Energy Butler every 2 months. Most recently, RDS Connected Command was updated on September 20, 2026 and Energy Butler 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.*