---
title: "Jeff Johnson — Publisher Overview"
type: publisher
publisher: "Jeff Johnson"
publisher_slug: "jeff-johnson"
canonical_url: "https://marlvel.ai/publishers/jeff-johnson"
last_updated: 2026-04-24T05:38:46.709Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Jeff Johnson Publisher Overview"
---
## ⚠ Content Warning

This publisher's portfolio includes apps classified as sensitive (adult). Information is aggregated from public sources for informational purposes only. This publisher has apps with mature themes. Viewer discretion is advised.

---

# Jeff Johnson — Publisher Overview

> Empowering power users to reclaim control over their web browsing and social media experiences through privacy-focused utility tools.

- **Publisher:** Jeff Johnson
- **Website:** [https://underpassapp.com](https://underpassapp.com)
- **Founded:** 2016
- **Employees:** 1-10
- **Overview generated:** 2026-04-24
- **License:** CC-BY-NC 4.0

## Executive summary

Underpass App Company leverages a high-conviction technical approach to restore user agency against restrictive web and social platform behaviors. The publisher’s moat is rooted in the specialized technical reputation of its founder and a commitment to 'user-first' functionality that overrides platform-dictated constraints. A strategic signal is the expansion from browser-centric utilities into decentralized social networking, positioning the brand as a critical toolset for the open-web ecosystem.

## Publisher DNA

- **Primary focus:** Privacy-centric utilities and open-web social tools
- **Scale:** indie
- **Target audience:** Privacy-conscious power users and developers seeking granular control over browser behavior and algorithm-free social feeds.
- **Origin:** Founded in 2016 by software engineer Jeff Johnson as a sole proprietorship.

## Portfolio momentum

- **Velocity:** intense
- **Active apps:** 2
- **Abandoned apps:** 0
- **Last major release:** 10 days ago

Maintained an intense development pace with 11 updates across the portfolio in the last 6 months, including a major release 10 days ago.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 9,979
- **Weighted rating:** 3.50 / 5
- **Apps in portfolio:** 3

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Utilities | 2 | 66.7% |
| Social Networking | 1 | 33.3% |

## Top apps

- **Homecoming for Mastodon** — Largest app by volume with 9,769 reviews.
- **StopTheMadness Pro** — Top-rated utility with a 4.69 star rating.
- **StopTheScript** — Specialized utility for granular JavaScript management.

## Signature patterns

- Focus on overriding platform-imposed UI restrictions and scripts
- Preference for paid upfront monetization models over ad-supported or subscription tiers
- High release frequency to maintain compatibility with evolving browser and OS standards
- Commitment to algorithm-free, chronological user experiences

## Bottom line

Underpass App Company is a technically disciplined indie publisher with a clear niche in the privacy and utility space. Their ability to maintain high engagement in specialized browser extensions suggests a sustainable model built on technical utility rather than broad-market appeal.

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