Blackjack 21 - Basic Strategy icon
Blackjack Card Counting Pro icon
Blackjack Counting Drills icon
+4

Double Down Software

For serious blackjack players and enthusiasts ranging from novices to professionals seeking to improve technical accuracy and betting strategy.

7apps3.2(79)Games

Snapshot

Who is Double Down Software?

Providing specialized training tools for blackjack players to master card counting and betting strategies. Helping users refine their skills through data-driven drills and simulations.

Target audience

Serious blackjack playersEnthusiasts ranging from novices to professionals seeking to improve technical accuracyBetting strategy

Active nemesis

David Richmond

Other rivals

Portfolio

Free 2
7
apps
Games7

Last updated

Blackjack Card Counting Pro

v3.0

1.4y ago

Dormant

Publisher DNA

What defines Double Down Software?

Publisher DNA

Primary focus

Blackjack training and simulation tools

Scale

indie

Target audience

Serious blackjack players and enthusiasts ranging from novices to professionals seeking to improve technical accuracy and betting strategy.

Signature Patterns

  • •Specialized focus on blackjack card counting and strategy drills
  • •High utility-to-entertainment ratio with minimal gamification
  • •Hybrid monetization model utilizing both free and paid app tiers
  • •Technical feature set including customizable charts and adaptive drill engines
Dormant

Portfolio momentum

The publisher has released zero updates in the last 6 months and maintains a high ratio of abandoned applications, indicating a focus on legacy support rather than active development.

Active apps 2Abandoned 4

Portfolio

What does Double Down Software ship?

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

Based on 4 of 7 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States4 / 4

Core markets (4/4 apps)

United States

Rivals

Who does Double Down Software compete with?

The rivals identified

Nemeses(1)

David Richmond

known forBlackjack Trainer 101

2 apps4.9Games

Both apps target players seeking to master basic blackjack strategy through drill-based simulation, creating direct competition for users prioritizing skill acquisition over gambling.

Contenders(10)

BlackJack Trainer 21 Training AG

known forBlackjack 21: Strategy Trainer

1 app4.7Games

Both applications target the same niche of blackjack strategy training, creating direct competition for users seeking to improve decision-making without real-money gambling.

BLUE WIND SERVICE CO.

known forBlackjack Trainer: All in one

1 app4.6Games

Both apps target the blackjack strategy training market, creating direct competition for users seeking to improve their gameplay through drills and guides.

Dealer Bust Time

known forBlackjack Card Counting Trainer Free

2 apps4.8Games

Both applications target individuals seeking to improve blackjack skills through simulated practice and strategy drills, creating direct competition for the same user base.

Growth Garage

known forBlackjack Trainer Card Counter

1 app4.7Games

Both apps target blackjack players seeking to improve decision-making through simulation, creating direct competition for the same training-focused user base.

justin Ackermann

known forCard Counting Coach

1 app4.2Games

Both apps target blackjack players seeking skill refinement, with overlapping functionality in basic strategy training and table simulation.

WFT Productions

known forBlackjack Strategy Practice

1 app4.8Games

Both apps target the same niche of blackjack players seeking skill development through training drills rather than casino-style gambling.

F5 Games

known forBlackjack Masters - Play 21

1 app4.4Games

Both apps target users seeking blackjack strategy and card counting education, competing for the same audience through free-to-play training models.

KBIC International

known forBlackjack Basic Strategy Practice

2 apps2.0Games

Both applications target users seeking to master blackjack basic strategy through simulated gameplay and reference tables.

Theotino Information Technology R&D (Hangzhou) Co.

known forBlackjack 21 - Best Vegas Casino Card Game

1 app4.3Games

Both applications target the same niche of blackjack strategy training, creating direct competition for users seeking to improve their card counting and decision-making skills.

Tomoki Tsukiyama

known forBlackjack Counting

1 app4.0Games

Both apps target blackjack players seeking card counting assistance and utilize a free pricing model to attract users.

Same space(26)

Fortuisoft

known forBlackjack - Vegas Casino Real

1 app4.7Games

This app targets enthusiasts by extending the simulation experience beyond mobile to wearable devices.

MobilityWare

known for⋅Blackjack

1 app4.6Games

This app targets the same skill-focused audience by combining casino simulation with specific card counting and strategy advice.

Netviking AB

known forBlackjack - Gambling Simulator

1 app4.3Games

This app focuses on providing a realistic casino environment for players to practice before visiting physical locations.

Solitaire Games Studio

known forBlackjack ∙

1 app4.6Games

This app offers a broader, location-based progression system that appeals to casual players seeking a gamified casino experience.

TapTapBoom

known forBlackjack

1 app4.6Games

This app serves the casual market with high-frequency engagement features like win streaks and talking dealer animations.

Andrew Lundeen

known forBlackjack: Ranked

1 app5.0Games

This app introduces a competitive, skill-based ranking system that shifts the focus from casino simulation to head-to-head play.

Asylum Square Interactive

known forBlackjack Tracker - Easy card counting

1 app3.4Games

This utility serves players who need manual counting support without the simulation features of the source app.

Atlas Apps

known forSpeed Blackjack

1 app4.9Games

This app provides a fast-paced learning environment for players to practice basic strategy.

Brendan Boyle

known forBlackjack Gym

1 app0.0Games

This app uses a structured training progression to help players master basic strategy.

Devolv

known forBlackjack Strategy + Trainer

1 app5.0Games

This app serves as a direct utility competitor by offering an ad-free training environment for strategy refinement.

Fil Games

known forBlackjack! by Fil Games

1 app4.4Games

This app provides a dedicated training environment for card counting, appealing to players who want to master the game.

Goldmere

known forBlackjack 21: Win Real Money!

1 app4.4Games

This app targets a different segment by offering real-money prizes and competitive tournaments.

Inlogic Software s.r.o.

known forBLACKJACK 21 - Casino Vegas

1 app4.5Games

This app supplements the core blackjack experience with secondary reward mechanics to maintain user engagement.

Jack Bowerman

known forBlackjack for Fun

1 app5.0Games

This app offers a strategy calculator to assist players in making optimal decisions during practice.

MASSIVE GAMING PTY

known forHouse of Blackjack 21

1 app4.1Games

This app differentiates through social features that allow players to interact during the game.

Pepper Dog Soft

known forBlackjack 21 Multi-Hand (Pro)

1 app4.5Games

This professional-grade simulator offers a deeper technical environment for serious players than the source app.

PLAY PERFECT

known forPlay Perfect Video Poker Pro+

1 app4.6Games

This adjacent tool provides mathematical analysis for video poker players to optimize their long-run performance.

Quatrian

known forVideo Poker Tutor

1 app4.7Games

This adjacent tool provides skill development for video poker players using interactive training modes.

Real Slots Games SL

known forReal Blackjack Online

1 app4.3Games

This app targets US-based players seeking an authentic casino experience with high-quality graphics.

Revolve Works

known forRoulette Strategy Simulator

1 app3.9Games

This adjacent tool allows casino players to test betting strategies through high-volume simulations.

Snumps

known forBlackjack - No Ads

1 app4.3Games

This app targets users who want an interruption-free practice environment with social features.

Tenth Letter Made

known forBlackjack Pure

1 app4.6Games

This app targets enthusiasts who prioritize an ad-free, offline environment for their blackjack practice.

TMSOFT

known forCard Counter

1 app4.7Games

This paid utility provides a focused engine for card counting without the gamification found in other simulators.

Tripledot Studios

known forBlackjack

1 app4.7Games

This app captures the casual segment through daily reward loops that incentivize return visits.

WildCard Games

known forClassic Blackjack: 21 Casino

1 app4.7Games

This app serves as a training tool for players looking to master casino skills through competitive win streaks.

WISE WAVE CORPORATION

known forBlackjack 21: Blackjackist

1 app4.5Games

This app competes for the same user base by offering a social, 3D-rendered environment with cross-game account synchronization.

New entrants(2)

High Roller Studios

known forBlackjack | 21

1 app4.2Games

This app provides a structured learning environment with a coach that reacts to specific player decisions.

Cory Taylor

known forCut Card: Card Counting Coach

1 app5.0Games

This app serves as a premium training utility with a one-time purchase model that removes all ads and distractions.

The Analyst's Read

The bottom line on Double Down Software

Bottom line

Double Down Software is a niche developer that has successfully captured a small, dedicated audience through specialized training utilities. Their long-term viability depends on maintaining these tools for a specific segment of the gambling community, as the lack of recent development suggests a move away from active growth.

Frequently asked questions

How many apps does Double Down Software publish?
Double Down Software has 7 apps tracked by Marlvel, primarily in the Games category.
What kind of apps does Double Down Software make?
Double Down Software's portfolio is concentrated in Games, with an average rating of 3.2/5 across rated apps.
What is Double Down Software's top app?
By review volume across the portfolio, Blackjack Card Counting Pro is Double Down Software's best-known app tracked by Marlvel.
In how many countries are Double Down Software's apps available?
Marlvel has tracked Double Down Software's apps across 1 country.

What fed this analysis

Apps analyzed:
7
With full intel:
0
With overview:
7
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 Double Down Software, 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. “Double Down Software intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/double-down-software

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Data licensed under CC-BY-NC 4.0