---
title: "JOHN MACKUS — Publisher Intelligence"
type: publisher
publisher: "JOHN MACKUS"
publisher_slug: "john-mackus"
canonical_url: "https://marlvel.ai/publishers/john-mackus"
last_updated: 2026-05-26T12:33:37.150Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — JOHN MACKUS Publisher Intelligence"
---
# JOHN MACKUS — Publisher Intelligence

> JOHN MACKUS publishes 1 app tracked by Marlvel.ai. Average rating: 5/5. Combined reviews: 4+.

- **Publisher:** JOHN MACKUS
- **Apps Tracked:** 1
- **Total Reviews:** 4
- **Average Rating:** 5/5
- **Categories:** Games
- **License:** CC-BY-NC 4.0

## Apps by JOHN MACKUS

| App | Category | Rating | Reviews | Sentiment |
| :--- | :--- | :--- | :--- | :--- |
| [WelderHelper](https://marlvel.ai/apps/welderhelper) | Games | 5/5 | 4 | — |

## Frequently Asked Questions

**Q: What apps does JOHN MACKUS make?**
A: JOHN MACKUS publishes WelderHelper.

**Q: Are JOHN MACKUS's apps good in 2026?**
A: JOHN MACKUS's apps have an average rating of 5/5 across 4 reviews.

---
© 2026 Marlvel.ai | [Full publisher profile](https://marlvel.ai/publishers/john-mackus) | [All categories](https://marlvel.ai/api/llm/categories) | [Index](https://marlvel.ai/llms.txt)
Data licensed under CC-BY-NC 4.0.