---
title: "Jan P. Barnholt — Publisher Overview"
type: publisher
publisher: "Jan P. Barnholt"
publisher_slug: "jan-p-barnholt"
canonical_url: "https://marlvel.ai/publishers/jan-p-barnholt"
last_updated: 2026-04-27T17:03:11.116Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Jan P. Barnholt Publisher Overview"
---
# Jan P. Barnholt — Publisher Overview

> Empowering model railroaders to discover and manage track layouts through a community-driven digital platform.

- **Publisher:** Jan P. Barnholt
- **Website:** [https://railmodeller.com](https://railmodeller.com)
- **Overview generated:** 2026-04-27
- **License:** CC-BY-NC 4.0

## Executive summary

Jan P. Barnholt occupies a specialized niche by extending a long-standing desktop CAD ecosystem into the mobile reference space. The publisher's primary advantage is a proprietary community network where users share complex track designs, creating a content moat that is difficult for generic utility apps to replicate. This mobile presence serves as a strategic bridge between the desktop design suite and the physical hobby space, focusing on utility and community engagement over mass-market reach.

## Publisher DNA

- **Primary focus:** Model railroading design and reference tools
- **Scale:** indie
- **Target audience:** Model railroad hobbyists and track designers seeking inspiration and project management tools for physical layouts.
- **Origin:** Developer of the RailModeller suite for macOS, extending layout discovery and community features to iOS.

## Portfolio momentum

- **Velocity:** steady
- **Active apps:** 1
- **Abandoned apps:** 0
- **Last major release:** 159 days ago

Maintains a single active title with one update released in the last 6 months, indicating consistent maintenance of the mobile platform.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 79
- **Weighted rating:** 4.16 / 5
- **Apps in portfolio:** 1

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Reference | 1 | 100% |

## Top apps

- **Train Layouts** — The publisher's primary mobile offering — 4.16 stars (79 reviews)

## Signature patterns

- Focus on niche hobbyist utility for model railroading
- Paid monetization model for specialized reference content
- Integration with a broader desktop software ecosystem (RailModeller)
- Community-centric features including layout sharing and discovery

## Bottom line

Jan P. Barnholt is a disciplined indie publisher successfully leveraging a desktop-first brand to capture a dedicated hobbyist niche. Their utility-first approach and community-driven content model provide a stable position within the model railroading category.

---
© 2026 Marlvel.ai | [Publisher apps index](https://marlvel.ai/api/llm/publishers/jan-p-barnholt) | [Methodology](https://marlvel.ai/api/llm/methodology)
Data licensed under CC-BY-NC 4.0.

---
© 2026 Marlvel.ai | [Full publisher profile](https://marlvel.ai/publishers/jan-p-barnholt) | [Publisher apps index](https://marlvel.ai/api/llm/publishers/jan-p-barnholt) | [Methodology](https://marlvel.ai/api/llm/methodology)
Data licensed under CC-BY-NC 4.0.