Blackjack with Odds vs Card Adder 21
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Blackjack with Odds
Experience a realistic casino blackjack game with interactive strategy guidance. Learn card counting and practice specific scenarios with training modes. See the exact odds of every play to improve your game.
- Realistic casino simulation
- Real-time odds display
- Interactive strategy card
- Training modes for pairs and soft aces
- Card counting practice
- Configurable table rules
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The most realistic blackjack casino game. Hear the dealer voice, see the cards move realistically, and feel and play like you are in a real casino. However, unlike a casino, you can see the exact odds of any play at any given time. Features include: - Full odds display - Interactive strategy card - Training Mode for Pairs and Soft Aces - Card Counting - Configurable table options and rules Terms of Service: https://gameswithodds.com/blackjack_terms
Card Adder 21
Enhance your mental math skills by tracking a running total as cards are dealt. Progress through increasingly challenging levels with a timed element. The game offers progress tracking and is designed to make counting enjoyable.
- Progressive difficulty levels
- Timed challenges
- Running total tracking
- Progress tracking
- Card dealing gameplay
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HOW TO PLAY Cards are dealt one by one. Keep track of the running total to progress through levels. What level can you reach? FEATURES • Progressive difficulty levels with a timed challenge • Progress tracking • Ads are ONLY shown on losing segments COMING SOON • Game Center high scores and community records • Personalized progress tracking Perfect for anyone wanting to improve their mental adding and counting skills. Download Card Adder 21 and make counting fun.
Screenshots
Verdict
The clearest difference is monetization model: Card Adder 21 at free against Blackjack with Odds's free with in-app purchases. Card Adder 21 also leads on update cadence (every 5 days vs every 3 weeks) and rating (5.0 vs 4.8). Blackjack with Odds's advantage is ratings volume (40 vs 1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Blackjack with Odds sells 5 in-app purchases, starting at $1.99 per 7 days and Card Adder 21 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Card Adder 21 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Blackjack with Odds has 40 ratings behind it against 1, so its average is the more settled of the two.
Blackjack with Odds ships an update every 3 weeks, Card Adder 21 every 5 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Blackjack with Odds | Card Adder 21 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (40 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 40 — better | 1 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 161 MB | 79 MB |
| Age rating | 17+ | 4+ |
| Developer | App Jar LLC | Dot Business Integrated Solutions |
Customer experience
Blackjack with Odds
Card Adder 21
In-app purchases
Blackjack with Odds
- V.I.P. Weekly Subscription$1.997 Days
- V.I.P. Access (1 week)$1.99
- V.I.P. Access (1 month)$2.99
- Lifetime V.I.P. Membership$9.99
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- Lifetime VIP Unlimited Access$9.99
Card Adder 21
- Card Adder 21 Pro Lifetime$4.99
Questions
Is Blackjack with Odds free?
Is Card Adder 21 free?
Which has better reviews, Blackjack with Odds or Card Adder 21?
Do Blackjack with Odds or Card Adder 21 have ads?
Which is updated more often, Blackjack with Odds or Card Adder 21?
Other comparisons
