# Blackjack Trainer 101 vs TwentyOne

The clearest difference is ads: TwentyOne at none against Blackjack Trainer 101's shown. TwentyOne also leads on rating (5.0 vs 4.8) and update cadence (every 9 days vs every 3 weeks). Blackjack Trainer 101's advantage is ratings volume (6.9K vs 2). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Blackjack Trainer 101 sells 1 one-off in-app purchase and TwentyOne sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TwentyOne holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Blackjack Trainer 101 has 6.9K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 93% of Blackjack Trainer 101's written reviews are positive against 100% of TwentyOne's.

Blackjack Trainer 101 ships an update every 3 weeks, TwentyOne every 9 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Blackjack Trainer 101 | TwentyOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6.9K ratings)](https://appshunter.io/ios/app/blackjack-trainer-101/id348323010/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/twentyone-blackjack-trainer/id6781118717/reviews)** |
| Number of ratings | **6.9K** | 2 |
| Positive reviews | 93.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 17 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [David Richmond](https://appshunter.io/developer/329944573) | [Justin Taddeo](https://appshunter.io/developer/1885201658) |

## What reviewers say

### Blackjack Trainer 101

[App page](https://appshunter.io/ios/app/blackjack-trainer-101/id348323010)

This app is a practice tool designed to help users learn and master basic strategy for the card game Blackjack. It offers various training modes and customization options to improve decision-making in different scenarios. While it doesn't simulate a full game, it focuses on teaching optimal play.

**Highlights:** Four learning modes (random, soft, pairs, custom), Customizable house rules (decks, soft 17, doubling, surrender), Skill levels for focused practice, Interactive strategy guide, Hint button for strategic analysis, Left/right-handed layouts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlackJack 101 Upgrade to Pro | $2.99 | one-time |

**What reviewers like**

- 👍 Crisp and clean design
- 👍 Excellent for practicing basic strategy
- 👍 User-friendly interface
- 👍 Customizable game rules
- 👍 Helpful hints and feedback

**What reviewers complain about**

- 🐛 Some issues with basic strategy recommendations
- 🔊 Inability to adjust volume
- 🔚 Truncated hands after splitting
- 🔍 Lack of full hand history and dealer's final hand

**Reported bugs**

- Occasional crashes or performance issues
- Discrepancies in basic strategy recommendations

**Requested features**

- Option to play out split hands
- Ability to adjust volume
- Inclusion of full hand history and dealer's final hand


### TwentyOne

[App page](https://appshunter.io/ios/app/twentyone-blackjack-trainer/id6781118717)

Master blackjack with a minimalist trainer that teaches mathematically correct plays for every hand. Practice with customizable rules and track your progress. Unlock advanced features like expected value and card counting with a one-time purchase.

**Highlights:** Basic strategy chart for all hands, Customizable table rules, Practice modes for hands and pairs, Performance tracking, Expected value calculations, Card counting trainer (Hi-Lo system)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwentyOne Pro | $4.99 | one-time |


## Frequently asked questions

### Is Blackjack Trainer 101 free?

Blackjack Trainer 101 is free to download, with in-app purchases available.

### Is TwentyOne free?

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

### Which has better reviews, Blackjack Trainer 101 or TwentyOne?

TwentyOne is rated higher. Blackjack Trainer 101 averages 4.8 out of 5 from 6.9K ratings, while TwentyOne averages 5.0 from 2 ratings.

### Do Blackjack Trainer 101 or TwentyOne have ads?

Blackjack Trainer 101 shows ads; TwentyOne does not.

### Which is updated more often, Blackjack Trainer 101 or TwentyOne?

Blackjack Trainer 101 ships an update every 3 weeks, and TwentyOne every 9 days. Most recently, Blackjack Trainer 101 was updated on November 1, 2026 and TwentyOne on October 31, 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.*