Best Double Down Blackjack Apps & Games

249+ iOS apps & games curated and reviewed

4.7 avg rating
19 free apps & games
Updated September 2026

Out of 249+ double down blackjack apps and games on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Double Down Blackjack Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Double Down: Blackjack TrainerDouble Down: Blackjack TrainerFree4.5★ (2)NoNoSep 2026
2Blackjack 21 CollectionBlackjack 21 CollectionFree4.7★ (1.8K)YesYesSep 2026
321 Pro: Blackjack Multi-Hand21 Pro: Blackjack Multi-HandFree4.7★ (673)NoYesSep 2026
4BlackjackBlackjackFree4.7★ (317K)YesYesSep 2026
5Blackjack Drill TrainerBlackjack Drill TrainerFreeNoJul 2026
6Blackjack⋅Blackjack⋅Free4.6★ (39K)YesYesSep 2026
7Blackjack 21: BlackjackistBlackjack 21: BlackjackistFree4.7★ (135K)YesYesSep 2026
8Blackjack Trainer 101Blackjack Trainer 101Free4.8★ (6.8K)YesYesSep 2026

Top Picks for Double Down Blackjack

Blackjack 21 Collection#2

Blackjack 21 Collection by BLUE WIND SERVICE CO., LTD

Bring the casino to your home
Strong Contender
🎮 Games
4.7😞(1.8K ratings)
FreeAdsIn-App Purchases
Blackjack 21 Collection screenshot 1
Blackjack 21 Collection screenshot 2
Blackjack 21 Collection screenshot 3
Blackjack 21 Collection screenshot 4
Blackjack 21 Collection screenshot 5
Blackjack 21 Collection screenshot 6

Experience a variety of Blackjack games with unique rules and side bets. Practice your strategy with built-in bankroll management and statistics. Enjoy realistic graphics and gameplay, playable offline.

What We Love

  • 🎮 Great game
  • 👍 Nice graphics
  • 🎉 Best blackjack app

Room to Improve

  • 💸 Too many ads
  • 🤔 Betting/bankroll issues
  • 🐛 Gameplay issues
  • 🤖 Dealer behavior not realistic
4.7😐(673 ratings)
FreeIn-App Purchases
21 Pro: Blackjack Multi-Hand screenshot 1
21 Pro: Blackjack Multi-Hand screenshot 2
21 Pro: Blackjack Multi-Hand screenshot 3
21 Pro: Blackjack Multi-Hand screenshot 4
21 Pro: Blackjack Multi-Hand screenshot 5

Experience the thrill of Blackjack 21 on your mobile device. Play multiple hands simultaneously, aim for the progressive jackpot with a Triple 777's hand, and learn strategies with free lessons. Customize your game and track your progress with in-depth stats.

What We Love

  • 🎮 Realistic gameplay
  • 💰 Generous daily bonus
  • 🎨 Appealing graphics
  • 🕹️ Smooth offline play
  • 🕹️ Ability to play multiple hands

Room to Improve

  • 🎲 Dealer-favored odds
  • 🤖 Unrealistic dealer behavior
  • 🙄 Excessive ads
  • 🔌 Requires internet connection
  • 🤑 Difficult to build bankroll

More Double Down Blackjack apps to explore

FAQ about Double Down Blackjack

What are the best double down blackjack apps & games for iPhone?
Double Down: Blackjack Trainer tops our double down blackjack apps & games ranking as of September 2026, with a 4.5-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top double down blackjack apps & games we rank are free to download, including Double Down: Blackjack Trainer and Blackjack 21 Collection.
Double Down: Blackjack Trainer has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ double down blackjack apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Instead of just memorizing charts, Double Down breaks down the expected value (EV) and probabilities of each decision, helping users understand the math behind optimal play.
Yes, you can configure various rules including number of decks, dealer soft 17 rules, payouts, surrender options, and doubling rules to match your specific table.

Related searches