---
title: "sosone — Publisher Overview"
type: publisher
publisher: "sosone"
publisher_slug: "sosone"
canonical_url: "https://marlvel.ai/publishers/sosone"
last_updated: 2026-05-08T14:31:08.084Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — sosone 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.

---

# sosone — Publisher Overview

> Providing specialized financial calculators and educational tools for the South Korean market. Simplifying daily tasks through accessible mobile utilities.

- **Publisher:** sosone
- **Website:** [https://sosone.kr](https://sosone.kr)
- **Overview generated:** 2026-05-08
- **License:** CC-BY-NC 4.0

## Executive summary

Sosone operates as a utility-focused developer with a clear geographic niche, targeting the specific administrative and linguistic needs of South Korean users. By building lightweight tools for tax calculation and language learning, they avoid direct competition with global productivity giants. The primary strategic tension lies in their broad category spread, which risks diluting their brand identity as they balance financial utilities with arcade gaming and educational content.

## Publisher DNA

- **Primary focus:** Financial utilities and casual mobile games
- **Scale:** studio
- **Target audience:** South Korean freelancers, business owners, and casual mobile gamers seeking simple, functional tools.

## Portfolio momentum

- **Velocity:** active
- **Active apps:** 10
- **Abandoned apps:** 0
- **Last major release:** 3 days ago

Released 9 updates across 12 apps in the last 6 months, demonstrating a consistent development cadence.

## Aggregated portfolio metrics

- **Total reviews (all apps):** 0
- **Weighted rating:** 0.00 / 5
- **Apps in portfolio:** 12

## Category breakdown

| Category | Apps | Share |
| :--- | :--- | :--- |
| Finance | 3 | 25% |
| Games | 2 | 16.7% |
| Arcade | 1 | 8.3% |
| Puzzle | 1 | 8.3% |
| Education | 1 | 8.3% |
| Photo & Video | 1 | 8.3% |
| Book | 1 | 8.3% |
| Health & Fitness | 1 | 8.3% |
| Developer Tools | 1 | 8.3% |

## Top apps

- **Korea VAT 10% Calculator: Tax** — Primary financial utility for business owners.
- **Korea 3.3% Tax Calculator** — Targeted tool for the South Korean freelance market.
- **Steel Mercenary** — Representative arcade title in the gaming portfolio.
- **Merge Pop Cats: 2048** — Hyper-casual puzzle title with cat-themed mechanics.
- **Hangulit: Read & Learn Korean** — Educational app focused on literature-based language learning.

## Signature patterns

- Strong focus on localized financial utilities for the South Korean market
- Consistent use of free-to-play models across both utilities and games
- Simple, task-oriented UI design favoring functionality over complex features
- Diversified portfolio spanning finance, education, and hyper-casual gaming

## Bottom line

Sosone is a versatile developer leveraging a niche geographic focus to build a portfolio of essential utilities. Their ability to maintain a high release cadence suggests a lean, efficient production model suited for rapid prototyping of utility-based apps.

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