---
title: "Daniel Furrer — Publisher Overview"
type: publisher
publisher: "Daniel Furrer"
publisher_slug: "daniel-furrer"
canonical_url: "https://marlvel.ai/publishers/daniel-furrer"
last_updated: 2026-05-07T11:56:52.520Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Daniel Furrer Publisher Overview"
---
## ⚠ Content Warning

This publisher's portfolio includes apps classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This overview touches health-related apps. It is not medical advice.

---

# Daniel Furrer — Publisher Overview

> Providing utility-focused mobile tools for personal organization, gardening, and niche hobbyist needs. Simplifying daily tasks through straightforward, single-purpose applications.

- **Publisher:** Daniel Furrer
- **Website:** [https://kornelis.app](https://kornelis.app)
- **Overview generated:** 2026-05-07
- **License:** CC-BY-NC 4.0

## Executive summary

The publisher operates as a solo developer focused on high-utility, low-complexity tools that bridge the gap between niche hobbyist needs and general personal productivity. By maintaining a diverse portfolio that spans gardening, finance, and gaming, the developer avoids over-reliance on a single category while keeping development overhead minimal. The strategic reliance on iCloud synchronization across productivity titles suggests a focus on Apple ecosystem users who prioritize data portability over complex feature sets. The primary tension lies in the sustainability of a broad, multi-category portfolio managed by a single individual, particularly as the developer balances active projects with a growing list of deprecated tools.

## Publisher DNA

- **Primary focus:** Utility and lifestyle tools for personal management
- **Scale:** studio
- **Target audience:** Home gardeners, individuals managing personal finances, and hobbyists requiring simple, cross-device productivity tools.
- **Origin:** The developer, known as Kornelis, creates Android and iOS apps ranging from practical utilities to niche hobbyist tools.

## Portfolio momentum

- **Velocity:** active
- **Active apps:** 11
- **Abandoned apps:** 2
- **Last major release:** 8 days ago

Released 9 updates across 13 apps in the last 6 months, demonstrating a consistent development cadence for a solo-led portfolio.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 0
- **Weighted rating:** 0.00 / 5
- **Apps in portfolio:** 13

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Lifestyle | 6 | 46.2% |
| Productivity | 2 | 15.4% |
| Finance | 2 | 15.4% |
| Entertainment | 1 | 7.7% |
| Health & Fitness | 1 | 7.7% |
| Games | 1 | 7.7% |

## Top apps

- **Garden Advent calendar** — Seasonal entertainment app featuring dynamic orientation-based UI updates.
- **Mein Gartenquiz** — Educational reference tool containing 240 gardening-specific questions.
- **Card Block Helper** — Productivity tool for emergency document management with iCloud sync.
- **My garden journal** — Long-term tracking tool for plant development and seasonal record-keeping.
- **My XLists** — Checklist manager emphasizing list reuse and cross-device synchronization.

## Signature patterns

- Consistent use of paid pricing models across the portfolio.
- Strong emphasis on iCloud synchronization for data portability.
- Focus on niche lifestyle and productivity categories.
- High frequency of updates for core productivity and gardening titles.
- Simple, functional UI design prioritizing utility over complex aesthetics.

## Bottom line

The publisher maintains a stable, utility-driven portfolio that successfully serves specific lifestyle niches. Their ability to manage a wide range of categories while maintaining regular update cycles suggests a disciplined, developer-led approach to product lifecycle management.

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