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

TGTOOLS

Other rivals

Portfolio

Free 2
2
apps
Board1
Games1

Last updated

Undercover®: Word Party Game

v4.9.6

4mo 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)

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

Multi-language database functions as a B2B-style distribution barrier into international markets

  • The core bluffing gameplay loop provides a highly engaging social experience for friends and family gatherings
  • Excessive advertisement frequency disrupts the flow of the game and creates a negative experience for casual players

Distributed across 20 markets, strongest in Europe.

Based on 2 of 2 apps with localized market data · last scanned .

Americas (4)

  • Brazil2 / 2
  • Canada2 / 2
  • Mexico2 / 2
  • United States2 / 2

Europe (9)

  • France2 / 2
  • Germany2 / 2
  • Italy2 / 2
  • Netherlands2 / 2
  • Portugal2 / 2
›+4 more europe markets
  • Spain2 / 2
  • Sweden2 / 2
  • Turkey2 / 2
  • United Kingdom2 / 2

Asia-Pacific (7)

  • Australia2 / 2
  • India2 / 2
  • Indonesia2 / 2
  • Japan2 / 2
  • Singapore2 / 2
›+2 more asia-pacific markets
  • South Korea2 / 2
  • Vietnam2 / 2

Core markets (2/2 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(2)

TGTOOLS

known forImposter Spy Party Game

1 app4.7BoardGames

Both apps target the social deduction niche by utilizing an offline-first, pass-and-play mechanic for group gatherings. They compete directly for the same audience of party-goers seeking icebreaker experiences without connectivity requirements.

Sven Vucak

known forImposter Game - Party Edition

1 app4.8Board

Both apps target the social deduction market with offline-capable party gameplay, forcing users to choose between Undercover's online connectivity and Imposter Game's ad-free experience.

Contenders(19)

abdullah zubeyir ceylan

known forSpy Party Word Game – SneaKo

1 app0.0Games

Both apps target the same offline social deduction segment, competing for the same user base of groups and families seeking face-to-face interaction without internet requirements.

Aleksandr Gerzon

known forSpySocial - A Party Game

1 app5.0Games

Both apps target social groups for in-person deduction games, competing for the same party-game audience through distinct technical implementations of the same core gameplay loop.

ALI EMRE SISMAN

known forImposter: Spy Party Game

1 app0.0Games

Both apps target the social deduction party game category, utilizing a pass-the-phone mechanic to facilitate in-person bluffing and word-based guessing.

Andrii Moisol

known forSpy: The Party Game

1 app5.0Board

Both apps compete for the same social deduction game audience by utilizing shared mechanics like secret role assignment and location deduction for group gatherings.

CEM AKSOY

known forAjan - Social Deduction Game

1 app0.0Games

Both apps target social deduction gameplay for in-person gatherings, competing for the same offline-utility user base.

Denis Zaplatnikov

known forService Rat: Imposter Party

1 app4.7Board

Both apps target the social deduction party game market, competing for the same user base through offline-capable, pass-the-phone gameplay mechanics.

DN Apps

known forImposter Game: Party Word Game

1 app0.0Games

Both apps target the social deduction party game segment using offline-first, pass-and-play mechanics for group gatherings. They compete directly for the same casual party audience by removing the need for internet connectivity.

Dzmitry Maiseyenka

known forImposter: Spy Party Word Game

1 app0.0Games

Imposter targets the same social deduction audience by utilizing a pass-the-phone mechanic and secret word gameplay, directly overlapping with the core loop of Undercover.

Evgeniy Bujanivskiy

known forSpy - board card party game

1 app4.6Board

Both apps target social groups with bluffing and deduction mechanics, competing for the same casual party game audience on mobile devices.

Jeshwin Prince

known forSpyfall: Social Deduction Game

1 app5.0Games

Both apps target social deduction party play, competing for the same user base of friends and family groups seeking digital icebreakers.

Matvey Kavtorov

known forSpy

1 app4.8Board

Both apps target social groups with party-based deduction mechanics, competing for the same casual gaming session time.

Metehan Kurucu

known forBluffin: Party Word Game

1 app4.7Board

Both apps target the social deduction and party word game category, utilizing a pass-the-phone mechanic for local group play.

Milan Lodariya

known forWerewolf - Mafia Party Game

1 app5.0Games

Both apps target the social deduction party game market, competing for the same group-play audience through bluffing and deduction mechanics.

Naihe Hu

known forWho is Undercover--Party Game

1 app4.8Games

Both apps target the social deduction party game market with free-to-play models, directly competing for the same user base of party-goers.

Pavel Shnyakin

known forSpy: Spyfall Imposter Game

1 app4.7Board

Both apps target the social deduction party game market, offering local pass-and-play and online room-code functionality for groups.

Revas AKIN

known forImposter : Word Party Game

1 app0.0Games

Both applications target the social deduction party game segment by providing offline-first gameplay for group gatherings. They compete directly for the same user base seeking icebreaker experiences without internet connectivity.

Sokak Technologies

known forImposter Who? - Word Game

1 app4.7Board

Both apps target social groups for party games, with direct overlap in the social deduction genre and freemium monetization models.

Tomi Arakaki

known forImposter AI - Party Game

1 app4.6Board

Both apps target social groups for party entertainment, competing for the same casual gaming time through social deduction and bluffing mechanics.

Zinance

known forImposter Game Online

1 app4.8Board

Both apps target social groups for deduction-based party games, competing for the same casual gaming time through shared mechanics.

Same space(15)

CherryPub LLP

known forParty Up: Friends & Group Game

1 app4.7BoardGames

This app targets the same social party audience by offering a variety of group games like Truth or Dare that function as icebreakers.

Aly Helal

known forHotSeat - Party Game

1 app5.0Games

This app shares the same social deduction and bluffing space, specifically targeting the same group chat and party-goer demographics.

Barney Gray

known forDinner Party Games

1 app0.0Board

Dinner Party Games serves the same in-person social gathering segment as Undercover but eliminates all monetization and account friction.

Dmytro Cheverda

known forCharades - Family & Party Game

1 app4.8Games

This app serves as a direct alternative for physical group gatherings by providing a similar icebreaker experience without the deduction mechanics.

Dynamite Studios

known forBomb Party: Who's Most Likely

1 app4.5Board

Bomb Party functions as a direct alternative for social groups by using the phone as a pass-the-device tool for word-based pressure.

Float Tech

known forGuess the Word! Charades Game

1 app4.7Games

This app competes for the same social party gaming time but targets users seeking AI-generated content rather than the deduction-based bluffing loop found in Undercover.

FLYONIT

known forHuddle: Party Games IRL

1 app5.0Games

This app provides a similar offline-first social utility for in-person gatherings, competing for the same user base that values connectivity-independent gaming.

Kristian Markovic

known for5 Second Rule: Party Cards

1 app4.5Board

5 Second Rule targets the same party-game demographic as Undercover but shifts the focus to time-constrained trivia responses.

Rakesh Mothukuri

known forWord Party Game

1 app0.0Board

Word Party Game functions as a direct substitute for Undercover by focusing on the same word-explanation mechanics for social gatherings.

Red Ape Mobile

known forOff Limits! Word Party Game

1 app4.5Board

Off Limits! competes for the same word-guessing player base by utilizing a similar forbidden-word mechanic as Undercover.

Sergei Lakhmanets

known forAlias - party game

1 app4.5Board

Alias shares the core word-explanation gameplay loop of Undercover, focusing on team-based competition during social events.

Simon Wall

known forThree Little Words-Party Game

1 app0.0Board

Three Little Words serves the same social party audience as Undercover but uses a letter-based sentence creation mechanic.

Tomas Batek

known forParty: social games

1 app0.0Games

This app acts as a broader party assistant that includes social games, overlapping with the casual party-goer audience.

Tomasz Cichon

known forVerbo – Word Party Game

1 app0.0Board

Verbo competes with Undercover by providing a similar taboo-style word-guessing experience for families and party groups.

Y A QU A

known forWord Party Games: Crack List

1 app3.3Board

Crack List Party captures the same casual social audience by offering a variety of mini-games that require zero setup or internet.

New entrants(1)

Eric Selva

known forJinxo: Word Party Game

1 app0.0Board

Jinxo targets the same social word-game audience as Undercover but emphasizes matching answers with other players for points.

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