Doppelkopf icon
Doppelkopf HD icon
Doppelkopf LITE icon
+12

Isar Interactive GmbH & Co. KG

For adult card game enthusiasts, primarily in the German-speaking market, who value authentic rule sets and offline AI-driven play.

Known forHearts XT
15apps4.3(353.2K)GamesCard

Snapshot

Who is Isar Interactive GmbH & Co. KG?

Preserving traditional German card games through digital platforms. Providing authentic, rule-compliant experiences for enthusiasts of Skat, Doppelkopf, and Schafkopf.

Target audience

Adult card game enthusiastsPrimarily in the German-speaking marketWho value authentic rule sets

Active nemesis

Spiele-Palast

Other rivals

Portfolio

Free 13
15
apps
Games13
Card1

Last updated

Hearts XT

v2.03

7mo ago

Intense

Publisher DNA

What defines Isar Interactive GmbH & Co. KG?

Publisher DNA

Primary focus

Digital adaptations of traditional German card games

Scale

studio

Target audience

Adult card game enthusiasts, primarily in the German-speaking market, who value authentic rule sets and offline AI-driven play.

Signature Patterns

  • •Focus on traditional German trick-taking card games
  • •Hybrid offline AI play and online multiplayer functionality
  • •High degree of rule customization and learning tools
  • •Freemium model with ad-supported and ad-free variants
  • •Consistent visual and functional design language across titles
Intense

Portfolio momentum

With 55 releases in the last 6 months and all 13 apps currently active, the publisher maintains a high-frequency development cycle for their card game portfolio.

Last release 28d agoActive apps 13

Portfolio

What does Isar Interactive GmbH & Co. KG ship?

Apps

15 apps analysed

Single-market publisher, every app ships only to United States.

Based on 2 of 15 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United States

Rivals

Who does Isar Interactive GmbH & Co. KG compete with?

The rivals identified

Nemeses(3)

Spiele-Palast

known forDoppelkopf Online Doko

4 apps4.6Games

Both applications target the same German card game audience, competing for the same user base through free-to-play models.

Fiogonia Games

known forHearts - Card Game Classic

2 apps4.9Games

Both apps target casual card game players with free-to-play models and identical core gameplay, creating direct competition for the same user base.

William Hamshire

known forK9 Sheepshead: Schafkopf

1 app4.7Games

Both applications target the same niche of card game enthusiasts by offering digital versions of Schafkopf with AI and multiplayer modes.

Contenders(17)

A Star Software

known forHearts+

1 app4.8Games

Hearts+ competes directly with Hearts XT by offering a free-to-play card game experience that targets the same casual audience through shared core features like solo AI play and online multiplayer.

fishdog.net

known forHearts

1 app4.7Games

Both apps target the casual card game market with free-to-play models, directly competing for users seeking a digital implementation of Hearts.

Games By Post

known forHearts Card Classic

1 app4.2Games

Both apps target casual Hearts players through AI-based gameplay, creating direct competition for users seeking practice or casual matches.

KARMAN Games

known forHearts - Play online & offline

1 app4.7Games

Both applications target the same casual card game audience by providing offline AI play and online multiplayer functionality.

Kiss The Machine

known forHearts ∙

1 app4.5Games

Both apps target the casual Hearts card game audience with free-to-play models, competing directly for time spent in solo AI-driven play.

kultegingames

known forDoppelkopf online

1 app0.0Games

Both applications target the same German card game audience, with Doppelkopf HD focusing on offline AI play and Doppelkopf online emphasizing community-based multiplayer.

Matthias Bilger

known forSchafkopf lernen

1 app2.0Games

Both apps target the Schafkopf player base, with the rival providing isolated training drills while the target app offers a full-game simulation.

MATTHIAS JOSEF HEINZELMANN

known forDoKo Spielomat

1 app5.0Games

Both applications target the same German card game player base by offering single-player AI modes on mobile devices.

MobilityWare

known forHearts: Card Game

1 app4.7Games

Both apps target casual players seeking offline-capable Hearts gameplay, creating direct competition for daily active users within the same card game category.

Netflix

known forHearts NETFLIX

1 app4.8Games

Both apps target casual card game enthusiasts with Hearts-based gameplay, creating direct competition for user time despite differing distribution models.

NeverBored Studios

known forHearts Card Game—New Classic

1 app4.7Games

Both apps target the casual Hearts player base with free-to-play models, directly competing for time spent in offline and online trick-taking card games.

Pikaro

known forPikaro Doppelkopf

1 app0.0Games

Both applications target the German Doppelkopf card game market by offering customizable rule sets and AI-driven single-player modes.

puzzle games for free

known forHearts : Classic Card Games

1 app4.6Games

Both apps target casual Hearts players with customizable rule sets and offline AI, creating direct competition for users seeking a classic card game experience.

Sauspiel

known forSauspiel Schafkopf

1 app4.7Games

Both apps target Schafkopf card game enthusiasts by providing offline training modes and online multiplayer functionality. They compete directly for the same user base seeking digital adaptations of the traditional Bavarian card game.

Sebastian Nadler

known forSchafkopf Offline Lernen

1 app0.0Games

Both apps target the Schafkopf card game market with a focus on offline AI play and ad-free experiences.

Tim Brinker

known forDoppelkopf across the Universe

2 apps0.0Games

Both apps target the same Doppelkopf player base, with the rival attempting to capture users through a narrative-driven space adventure and arcade minigame integration.

WildCard Classics

known forHearts - Classic Card Game

1 app4.7Games

Both applications target casual card game enthusiasts with free-to-play models, competing directly for the same user base within the Hearts card game category.

Same space(8)

Bestjack Entertainment

known forSkat Freunde

2 apps4.7Games

Appeals to the same casual card game player base by emphasizing a relaxed, atmospheric environment for classic German card games.

DonkeyCat

known forSchnopsn - 66 Card Game

1 app4.7Games

Targets the same German-speaking card game demographic by offering an alternative traditional game with offline Bluetooth connectivity.

Guru Puzzle Game

known forSolitaire - Classic Card Games

1 app4.8Games

This app captures the casual card game audience that overlaps with Skat players seeking stress relief through classic puzzle loops.

Lars Gregori

known forSchafkopf Zettl

1 app0.0Games

This app serves the same Bavarian card game audience by providing a digital scoring utility for physical play, whereas the source app provides a full gameplay simulation.

Lukas Gruber

known forGrasoberln Kartenspiel Bayern

2 apps0.0Games

This app targets the same demographic of traditional Bavarian card game players by offering a similar offline, AI-driven experience for a related game.

Magmic

known forSimply Card Suite

1 app2.9Games

This app targets the same casual trick-taking audience as Hearts XT but provides a broader bundle of ten distinct card games.

Pecora

known forSchafkopf KI

1 app0.0Games

This tool targets the same player base by offering real-time probability analysis during live games, acting as a companion rather than a replacement for the source app.

琳 陶

known forHearts Solitaire - Classic Cards Patience Poker Games

1 app4.1Games

This app serves the same niche of Hearts enthusiasts by focusing on visual customization and portrait or landscape orientation support.

New entrants(1)

Creation Burst Studios

known forSheepshead: Card Game

1 app4.6Games

This app serves the same trick-taking card game audience but focuses on the Upper Midwest market and specific regional rule-sets.

The Analyst's Read

The bottom line on Isar Interactive GmbH & Co. KG

Bottom line

Isar Interactive is a disciplined studio that has successfully captured the German card game niche through high-fidelity digital adaptations. Their ability to maintain high user satisfaction across a decade-old portfolio suggests a strong, defensible product-market fit.

Frequently asked questions

How many apps does Isar Interactive GmbH & Co. KG publish?
Isar Interactive GmbH & Co. KG has 15 apps tracked by Marlvel, primarily in the Games category.
What kind of apps does Isar Interactive GmbH & Co. KG make?
Isar Interactive GmbH & Co. KG's portfolio is concentrated in Games and Card, with an average rating of 4.3/5 across rated apps.
What is Isar Interactive GmbH & Co. KG's top app?
By review volume across the portfolio, Hearts XT is Isar Interactive GmbH & Co. KG's best-known app tracked by Marlvel.
In how many countries are Isar Interactive GmbH & Co. KG's apps available?
Marlvel has tracked Isar Interactive GmbH & Co. KG's apps across 1 country.

What fed this analysis

Apps analyzed:
13
With full intel:
0
With overview:
13
Website scraped:
yes
Social presence:
no

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 Isar Interactive GmbH & Co. KG, 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. “Isar Interactive GmbH & Co. KG intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/isar-interactive-gmbh-co-kg

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Data licensed under CC-BY-NC 4.0