# ModelControlNet Device Controller vs Heritage Units

The clearest difference is review sentiment: Heritage Units at 58% against ModelControlNet Device Controller's 0%. Heritage Units also leads on rating (4.1 vs 1.0) and ratings volume (253 vs 1). ModelControlNet Device Controller's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.0). On price there is nothing between them.

Both are free to download. Heritage Units sells 2 in-app purchases, starting at $0.99 per year. ModelControlNet Device Controller asks for nothing beyond the download.

Heritage Units holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Heritage Units has 253 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ModelControlNet Device Controller's written reviews are positive against 58% of Heritage Units's.

## The numbers

| Metric | ModelControlNet Device Controller | Heritage Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/modelcontrolnet-device-controller/id1048841082/reviews) | **[4.1 (253 ratings)](https://appshunter.io/ios/app/heritage-units/id1117504088/reviews)** |
| Number of ratings | 1 | **253** |
| Positive reviews | 0.0% of reviews | **58.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 122 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Greg Ingalsbe](https://appshunter.io/developer/1048841081) | [Brian Minnich](https://appshunter.io/developer/1117504087) |

## What reviewers say

### ModelControlNet Device Controller

[App page](https://appshunter.io/ios/app/modelcontrolnet-device-controller/id1048841082)

Control your entire model railroad wirelessly using your iPhone or iPad. Manage locomotives, configure settings, and allow multiple operators to interact simultaneously on the same network.

**Highlights:** Wireless control system, WiFi network technology, Locomotive control and configuration, Multiple operator support, Up to 200 devices supported, Up to 20 operators supported

**In-app purchases:** none


### Heritage Units

[App page](https://appshunter.io/ios/app/heritage-units/id1117504088)

This app allows users to track and report special interest locomotives from major US railroads. View reported units on a map within a 200-mile radius and contribute new sightings directly from your device.

**Highlights:** Track heritage units, Report new locomotive locations, View locomotives on maps, Search within 200 miles, Support for major railroads

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $0.99 | per year |
| Premium Membership | $5.99 | per year |

**What reviewers like**

- 🎯 Excellent tool for tracking heritage units and special locomotives
- 📍 Real-time location reporting from community users
- 👍 User-friendly interface and intuitive navigation
- 📸 Ability to upload photos of locomotives
- 🚀 Responsive developer support and regular updates

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 🔓 Persistent login/logout issues
- ⚠️ Confusing error messages without clear explanations
- 📵 Limited photo upload capacity for free users
- 🚫 Arbitrary account suspensions and bans

**Reported bugs**

- App crashes when refreshing or loading reports
- Persistent 'You've reached your limit for spots' error that lasts weeks or months
- Login credentials rejected despite correct password/username
- Automatic logout after 1-2 months of inactivity
- Premium subscription purchases not recognized by app

**Requested features**

- Dark mode and light mode toggle
- Report timestamp visibility to distinguish old vs new reports
- Edit and delete buttons for submitted reports
- Increase daily/monthly report submission limits
- Ability to favorite or star specific locomotives


## Frequently asked questions

### Is ModelControlNet Device Controller free?

ModelControlNet Device Controller is free to download, with no in-app purchases.

### Is Heritage Units free?

Heritage Units is free to download, with in-app purchases available.

### Which has better reviews, ModelControlNet Device Controller or Heritage Units?

Heritage Units is rated higher. ModelControlNet Device Controller averages 1.0 out of 5 from 1 ratings, while Heritage Units averages 4.1 from 253 ratings.

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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.*