---
title: "Matthew Zellmer — Publisher Overview"
type: publisher
publisher: "Matthew Zellmer"
publisher_slug: "matthew-zellmer"
canonical_url: "https://marlvel.ai/publishers/matthew-zellmer"
last_updated: 2026-05-09T06:32:08.966Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Matthew Zellmer Publisher Overview"
---
# Matthew Zellmer — Publisher Overview

> Simplifying match management for badminton players and umpires with automated scoring and court positioning tools.

- **Publisher:** Matthew Zellmer
- **Website:** [https://apps.apple.com](https://apps.apple.com)
- **Overview generated:** 2026-05-09
- **License:** CC-BY-NC 4.0

## Executive summary

The publisher operates as a niche utility developer, focusing on digitizing specific sports officiating tasks that are traditionally managed manually. By prioritizing rule-compliant automation, the developer captures a specialized segment of the sports market that requires precision over general-purpose fitness tracking. The strategic focus remains on high-utility, single-purpose tools that solve specific pain points for tournament organizers and umpires rather than broad consumer engagement.

## Publisher DNA

- **Primary focus:** Sports utility and officiating tools
- **Scale:** indie
- **Target audience:** Badminton umpires, coaches, and tournament organizers seeking rule-compliant match management.

## Portfolio momentum

- **Velocity:** maintenance
- **Active apps:** 1
- **Abandoned apps:** 0

The publisher has recorded zero releases in the last six months, indicating a maintenance-focused development cycle.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 545
- **Weighted rating:** 4.75 / 5
- **Apps in portfolio:** 1

## Category breakdown

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

## Top apps

- **Badminton Scorer Pro** — Flagship utility for BWF-compliant match scoring.

## Signature patterns

- Focus on specialized sports officiating and rule-compliant scoring
- Dual-display interface design for umpire and spectator perspectives
- Automated match tracking including server and position management
- Free-to-use pricing model

## Bottom line

This publisher maintains a clear, narrow focus on sports utility software with a high-utility value proposition. Their single-app portfolio demonstrates strong product-market fit within the niche badminton officiating community.

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