# Blackjack 21! vs Blackjack Solver

The clearest difference is ads: Blackjack Solver at none against Blackjack 21!'s shown. Blackjack Solver also leads on rating (5.0 vs 4.6) and update cadence (weekly vs every 3 months). Blackjack 21!'s advantage is ratings volume (6.1K vs 5). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Blackjack 21! sells 5 one-off in-app purchases and Blackjack Solver sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Blackjack Solver holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Blackjack 21! has 6.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 72% of Blackjack 21!'s written reviews are positive against 100% of Blackjack Solver's.

Blackjack 21! ships an update every 3 months, Blackjack Solver weekly. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Blackjack 21! | Blackjack Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (6.1K ratings)](https://appshunter.io/ios/app/blackjack-21/id1001387844/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/blackjack-solver/id6751151674/reviews)** |
| Number of ratings | **6.1K** | 5 |
| Positive reviews | 71.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 209 MB | 29 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +17 |
| Developer | [Do More Mobile, LLC.](https://appshunter.io/developer/318729104) | [Tengy LLc](https://appshunter.io/developer/1833711302) |

## 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 Solver

[App page](https://appshunter.io/ios/app/blackjack-solver/id6751151674)

Master blackjack strategy and card counting with this comprehensive training platform. It offers interactive practice modes, real-time counting with true count calculations, and adaptive basic strategy recommendations. Track your progress with detailed performance analytics and customizable game rules.

**Highlights:** Solver Mode for manual analysis, Practice Mode with automatic dealing, Real-time Hi-Lo card counting, Adaptive basic strategy recommendations, Detailed performance analytics, Customizable game rules

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $7.99 | per month |
| Pro | $9.99 | per month |


## Frequently asked questions

### Is Blackjack 21! free?

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

### Is Blackjack Solver free?

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

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

Blackjack Solver is rated higher. Blackjack 21! averages 4.6 out of 5 from 6.1K ratings, while Blackjack Solver averages 5.0 from 5 ratings.

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

Blackjack 21! shows ads; Blackjack Solver does not.

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

Blackjack 21! ships an update every 3 months, and Blackjack Solver weekly. Most recently, Blackjack 21! was updated on October 26, 2026 and Blackjack Solver on October 23, 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.*