# Blackjack 21! vs Blackjack Masters

The clearest difference is ads: Blackjack Masters at none against Blackjack 21!'s shown. Blackjack Masters also leads on update cadence (every 5 weeks vs every 3 months) and review sentiment (84% vs 72%). Blackjack 21!'s advantage is ratings volume (6.1K vs 300). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Blackjack 21! sells 5 one-off in-app purchases and Blackjack Masters sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blackjack 21! holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Blackjack 21! has 6.1K ratings behind it against 300, so its average is the more settled of the two. Written reviews complicate that: 72% of Blackjack 21!'s written reviews are positive against 84% of Blackjack Masters's, so the app with the better star average is not the one people write more warmly about.

Blackjack 21! ships an update every 3 months, Blackjack Masters every 5 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Blackjack 21! | Blackjack Masters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.1K ratings)](https://appshunter.io/ios/app/blackjack-21/id1001387844/reviews)** | [4.4 (300 ratings)](https://appshunter.io/ios/app/blackjack-masters-21-trainer/id1482780331/reviews) |
| Number of ratings | **6.1K** | 300 |
| Positive reviews | 71.7% of reviews | **84.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 209 MB | 72 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Do More Mobile, LLC.](https://appshunter.io/developer/318729104) | [F5 Games LLC](https://appshunter.io/developer/405057053) |

## What reviewers say

### Blackjack 21!

[App page](https://appshunter.io/ios/app/blackjack-21/id1001387844)

Experience the thrill of Blackjack with this free casino-style card game. Enjoy authentic Las Vegas rules, customizable tables, and detailed stat tracking. Learn to play with helpful hints and master the game with advanced options like Double Down and Splits.

**Highlights:** Free to play, Las Vegas rules, HD graphics and table customization, Stat tracking, Double Down, Splits, Insurance, Surrender, Deck shuffle animation, Customizable options

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blackjack 21 - 35,000 Chips | $4.99 | one-time |
| Black Jack Premium Upgrade | $6.99 | one-time |
| Blackjack 21 - 100,000 Chips | $9.99 | one-time |
| Blackjack 21 - 250,000 Chips | $19.99 | one-time |
| Blackjack 21 - 600,000 chips! | $39.99 | one-time |

**What reviewers like**

- 🎮 Fun game
- 💡 Good learning tool
- 👍 Great interface
- 🕹️ Enjoyable gameplay
- 🕰️ Useful for passing time

**What reviewers complain about**

- 💸 Too many ads
- 🎲 Dealer advantage
- 🤖 Questionable randomization
- 💰 Aggressive in-app purchases
- 🚫 Unfair gameplay

**Reported bugs**

- Crashes after updates
- Inability to close some ads
- Incorrect payout for split hands
- Disappearing chip balances

**Requested features**

- Multiple deck support
- Option to walk away after winning
- Multiplayer mode
- More betting options
- Improved card draw randomization


### Blackjack Masters

[App page](https://appshunter.io/ios/app/blackjack-masters-21-trainer/id1482780331)

Learn and play Blackjack with a realistic casino experience. Master basic strategy and card counting through daily missions, tournaments, and challenges. Enjoy the game without any advertisements.

**Highlights:** Learn Basic Strategy, Card Counting Trainers, No Ads, Daily Missions, Weekly Tournaments, Global Casinos, Challenge Friends

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3,170 Chips | $0.99 | one-time |
| 5000 Chips | $1.99 | one-time |
| 20,000 Chips | $1.99 | one-time |
| 50,000 Chips | $2.99 | one-time |
| 30,000 Chips | $4.99 | one-time |
| 75,000 Chips | $4.99 | one-time |
| 75,000 Chips | $9.99 | one-time |
| 200,000 Chips | $19.99 | one-time |
| 600,000 Chips | $39.99 | one-time |
| 1,500,000 Chips | $69.99 | one-time |

**What reviewers like**

- 🚀 Fast-paced gameplay and smooth mechanics
- 📱 No ads or intrusive monetization
- 📚 Built-in card counting and basic strategy guides
- 🎮 Simple, intuitive, and easy-to-use interface
- 🎯 Excellent for learning and practicing blackjack

**What reviewers complain about**

- 🎲 Algorithm appears biased against player winning
- 🎰 Dealer wins disproportionately more than statistically realistic
- 📵 Audio override issue interrupts other phone audio
- 🤔 Questionable randomness in card dealing
- 💸 Designed to encourage chip purchases through unfair odds

**Reported bugs**

- Audio override bug interrupts music and podcasts
- Non-random card dealing algorithm
- Dealer blackjack appears at 10:1 ratio instead of realistic odds
- Hitting on 12 consistently results in 10-value cards
- Dealer draws 5-6 cards without busting unrealistically often

**Requested features**

- Ability to toggle strategy/count display mid-game without leaving
- Multiplayer mode with computer opponents for casino realism
- Background music/ambiance with on/off toggle
- Adjustable card dealing speed
- More detailed card counting tutorials and styles


## Frequently asked questions

### Is Blackjack 21! free?

Blackjack 21! is free to download, with in-app purchases available.

### Is Blackjack Masters free?

Blackjack Masters is free to download, with in-app purchases available.

### Which has better reviews, Blackjack 21! or Blackjack Masters?

Blackjack 21! is rated higher. Blackjack 21! averages 4.6 out of 5 from 6.1K ratings, while Blackjack Masters averages 4.4 from 300 ratings.

### Do Blackjack 21! or Blackjack Masters have ads?

Blackjack 21! shows ads; Blackjack Masters does not.

### Which is updated more often, Blackjack 21! or Blackjack Masters?

Blackjack 21! ships an update every 3 months, and Blackjack Masters every 5 weeks. Most recently, Blackjack 21! was updated on October 30, 2026 and Blackjack Masters on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*