---
title: "David Verbenyi — Publisher Overview"
type: publisher
publisher: "David Verbenyi"
publisher_slug: "david-verbenyi"
canonical_url: "https://marlvel.ai/publishers/david-verbenyi"
last_updated: 2026-05-07T22:18:33.317Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — David Verbenyi Publisher Overview"
---
## ⚠ Content Warning

This publisher's portfolio includes apps classified as sensitive (finance). Information is aggregated from public sources for informational purposes only. This overview touches financial apps. It is not financial or investment advice.

---

# David Verbenyi — Publisher Overview

> Providing specialized utility and finance calculators for mobile users. Streamlining daily performance tracking and fuel efficiency monitoring.

- **Publisher:** David Verbenyi
- **Website:** [https://adprogress.co.uk](https://adprogress.co.uk)
- **Overview generated:** 2026-05-07
- **License:** CC-BY-NC 4.0

## Executive summary

David Verbenyi operates as a boutique developer focused on functional utility tools rather than high-frequency consumer gaming. The publisher has recently expanded its scope to include collaborative development for medical centers, signaling a strategic pivot toward B2B service-based app creation. This transition from standalone consumer utilities to bespoke healthcare solutions suggests a move toward higher-value, client-led development cycles.

## Publisher DNA

- **Primary focus:** Utility and finance productivity tools
- **Scale:** indie
- **Target audience:** Vehicle owners and contract laborers requiring mobile-friendly performance and cost tracking.

## Portfolio momentum

- **Velocity:** maintenance
- **Active apps:** 3
- **Abandoned apps:** 0
- **Last major release:** 164 days ago

With only 1 release in the last 6 months across a 3-app portfolio, the publisher maintains a low-frequency development cadence.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 4,786
- **Weighted rating:** 4.72 / 5
- **Apps in portfolio:** 3

## Category breakdown

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

## Top apps

- **Fuel Calculator: MPG Converter** — Primary utility tool with 4,780 reviews.
- **PiecePay: Piecework Calculator** — Finance tool for contract laborers.
- **Averagizer: Average Calculator** — Productivity utility for hourly rate tracking.

## Signature patterns

- Focus on single-purpose utility and finance calculators
- Direct, functional UI design optimized for data entry
- Mixed monetization strategy including both free and paid models
- Targeting professional or task-specific user needs rather than entertainment

## Bottom line

The publisher is a small-scale developer transitioning from simple consumer utilities to professional-grade healthcare collaborations. Their portfolio demonstrates a consistent focus on functional, data-entry-heavy tools.

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