---
title: "Konrad Kubis — Publisher Overview"
type: publisher
publisher: "Konrad Kubis"
publisher_slug: "konrad-kubis"
canonical_url: "https://marlvel.ai/publishers/konrad-kubis"
last_updated: 2026-05-07T13:25:15.045Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Konrad Kubis Publisher Overview"
---
## ⚠ Content Warning

This publisher's portfolio includes apps classified as sensitive (kids). Information is aggregated from public sources for informational purposes only. This publisher has apps marketed to children. This overview is provided to inform parents, guardians, or professionals — not to promote the apps to minors.

---

# Konrad Kubis — Publisher Overview

> Providing accessible, gamified geography learning tools for students and casual learners. Their mission is to make geography education fun and engaging through interactive mobile experiences.

- **Publisher:** Konrad Kubis
- **Website:** [https://qbisstudio.com](https://qbisstudio.com)
- **Headquarters:** Wrocław, Poland
- **Founded:** 2015
- **Overview generated:** 2026-05-07
- **License:** CC-BY-NC 4.0

## Executive summary

Qbis Studio maintains a focused niche in geography-based educational apps, leveraging a consistent, quiz-centric design language to capture a broad, global audience. Their strategy relies on high-volume, localized content—such as country-specific map quizzes—which allows them to dominate search intent for regional geography learning. The primary tension for the studio is scaling beyond this narrow, utility-driven format while maintaining the high user engagement they have achieved with their flagship global title.

## Publisher DNA

- **Primary focus:** Educational geography quiz apps
- **Scale:** indie
- **Target audience:** Students and geography enthusiasts looking for interactive, gamified study tools for regional and world geography.
- **Origin:** Founded by a husband-and-wife team in Wrocław, Poland, who combined their skills in programming and graphic design to launch their first app in 2015.

## Portfolio momentum

- **Velocity:** intense
- **Active apps:** 8
- **Abandoned apps:** 1
- **Last major release:** 13 days ago

Released 14 updates across 9 apps in the last 6 months, indicating a high-frequency maintenance and development cycle.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 66,094
- **Weighted rating:** 4.80 / 5
- **Apps in portfolio:** 9

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Education | 8 | 88.9% |
| Games | 1 | 11.1% |

## Top apps

- **World Map Quiz (Qbis Studio)** — Flagship title with over 61,000 reviews.
- **India Map Quiz (Qbis Studio)** — High-performing regional title with a 4.9-star rating.
- **USA Quiz (Qbis Studio)** — Established regional quiz app with over 1,500 reviews.

## Signature patterns

- Consistent quiz-based mechanics focused on map identification and regional trivia
- Freemium monetization model with free core access and specific paid features
- High-frequency release of region-specific educational content
- Optimized for broad device compatibility

## Bottom line

Qbis Studio is a disciplined, founder-led indie studio that has successfully productized geography education through a repeatable, high-utility quiz framework. Their ability to maintain high ratings across a focused portfolio suggests a strong, sustainable product-market fit in the educational niche.

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