# RCT RESS vs RailControl Unit

The clearest difference is in-app purchases: RCT RESS at none against RailControl Unit's 1. RCT RESS also leads on iOS requirement (15.6 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. RailControl Unit sells 1 one-off in-app purchase. RCT RESS asks for nothing beyond the download.

## The numbers

| Metric | RCT RESS | RailControl Unit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rct-ress/id1577284760/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 39 MB | 5 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Jiangsu RCT Power Energy Technology Co., Ltd](https://appshunter.io/developer/1577284762) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### RCT RESS

[App page](https://appshunter.io/ios/app/rct-ress/id1577284760)

Monitor and manage inverters and energy storage systems. Developed by an energy storage company, this app offers convenient control over household, industrial, and grid energy solutions.

**Highlights:** Monitor inverters, Manage energy storage systems, Household energy solutions, Industrial energy solutions, Grid energy solutions, System monitoring

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

**In-app purchases:** none


### RailControl Unit

[App page](https://appshunter.io/ios/app/railcontrol-unit/id6755979312)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Modules | $2.99 | one-time |


## Frequently asked questions

### Is RCT RESS free?

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

### Is RailControl Unit free?

RailControl Unit is free to download, with in-app purchases available.

### Do RCT RESS or RailControl Unit have ads?

Neither RCT RESS nor RailControl Unit shows ads.

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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.*