Undercover®: Word Party Game icon
Undercover™: Word Party Game icon

Yanstar Studio OU

For social groups, families, and friends seeking interactive, conversation-based entertainment for gatherings.

2apps4.8(53.4K)BoardGames

Snapshot

Who is Yanstar Studio OU?

Facilitating social interaction through accessible, conversation-based party games. Designed for groups to play together in local or online settings.

Target audience

Social groupsFamiliesFriends seeking interactive

Active nemesis

Matvey Kavtorov

Other rivals

Portfolio

Free 2
2
apps
Board1
Games1

Last updated

Undercover®: Word Party Game

v4.9.6

23d ago

Active

Publisher DNA

What defines Yanstar Studio OU?

Publisher DNA

Primary focus

Social deduction party games

Scale

indie

Target audience

Social groups, families, and friends seeking interactive, conversation-based entertainment for gatherings.

Signature Patterns

  • Focus on social deduction and party-style gameplay mechanics
  • Hybrid support for both offline local play and online multiplayer
  • Reliance on a curated, hand-picked word database to drive engagement
  • Free-to-play monetization model
Active

Portfolio momentum

Released 9 updates in the last 6 months for their single active title, indicating a high frequency of content maintenance and feature iteration.

Last release 25d agoActive apps 1

Portfolio

What does Yanstar Studio OU ship?

Apps

2 apps analysed

Undercover®: Word Party Game icon
Undercover®: Word Party Game

Bluff & Deduce: Find the Spy & Mr. White! Social Fun with Friends & Family

4.8(50.6K)
View Intel →

36-language word database enables international reach

  • The core bluffing gameplay loop provides a highly engaging social experience for friends and family gatherings
  • In-game chat moderation fails to filter offensive language and racist content, creating an unsafe environment for users

Offline-first design reduces friction for social gatherings

  • Social interaction and group laughter during party sessions drive high replay value for families
  • Toxic behavior and offensive language in the chat section degrade the experience for younger players

Distributed across 20 markets, strongest in Europe.

Based on 1 of 2 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • Brazil1 / 1
  • Canada1 / 1
  • Mexico1 / 1
  • United States1 / 1

Europe (9)

  • France1 / 1
  • Germany1 / 1
  • Italy1 / 1
  • Netherlands1 / 1
  • Portugal1 / 1
+4 more europe markets
  • Spain1 / 1
  • Sweden1 / 1
  • Turkey1 / 1
  • United Kingdom1 / 1

Asia-Pacific (7)

  • Australia1 / 1
  • India1 / 1
  • Indonesia1 / 1
  • Japan1 / 1
  • Singapore1 / 1
+2 more asia-pacific markets
  • South Korea1 / 1
  • Vietnam1 / 1

Core markets (1/1 apps)

AustraliaBrazilCanadaFranceGermanyIndiaIndonesiaItalyJapanMexicoNetherlandsPortugalSingaporeSouth KoreaSpainSwedenTurkeyUnited KingdomUnited StatesVietnam

User Sentiment

How do users feel about their apps?

2

Positive apps

0

Neutral / mixed

0

Negative apps

75/100

Avg sentiment score

Rivals

Who does Yanstar Studio OU compete with?

The rivals identified

Nemeses(1)

Matvey Kavtorov

known forSpy

1 app4.8Games

This app dominates the specific 'Undercover/Spy' word-game niche with a massive user base and high-frequency engagement patterns.

Contenders(2)

InnerSloth

known forAmong Us!

1 app3.9Games

The definitive market leader in social deduction, setting the standard for feature sets and live-service updates.

Wildlife Studios

known forSuspects: Mystery Mansion

1 app4.2Games

A high-production-value social deduction game that captures the same 'hidden role' audience with superior visual fidelity.

Same space(3)

Mikhail Savenkov

known forLiar's Cards - Ship of Deceit

1 app4.0Games

Users report: An adjacent social-deception card game that utilizes a thematic pirate setting to differentiate its mechanics.

Toast - Apps and Software

known forMafia Mystery

1 app3.1Games

A direct competitor in the classic Mafia-style deduction genre with a focus on traditional rule sets.

Warner Bros.

known forHeads Up! Charades for Kids

1 app4.4Games

A peer in the party-game category that focuses on physical interaction rather than digital deduction.

The Analyst's Read

The bottom line on Yanstar Studio OU

Bottom line

Yanstar Studio maintains a high-quality, singular product focus that successfully captures the social party game niche. Their consistent update cadence suggests a disciplined approach to product lifecycle management.

Frequently asked questions

How many apps does Yanstar Studio OU publish?
Yanstar Studio OU has 2 apps tracked by Marlvel, primarily in the Board category.
What kind of apps does Yanstar Studio OU make?
Yanstar Studio OU's portfolio is concentrated in Board and Games, with an average rating of 4.8/5 across rated apps.
What is Yanstar Studio OU's top app?
By review volume across the portfolio, Undercover®: Word Party Game is Yanstar Studio OU's best-known app tracked by Marlvel.
In how many countries are Yanstar Studio OU's apps available?
Marlvel has tracked Yanstar Studio OU's apps across 20 countries.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Yanstar Studio OU, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Yanstar Studio OU intelligence.” Updated 2026-05-08. https://marlvel.ai/publishers/yanstar-studio-ou

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Data licensed under CC-BY-NC 4.0