# Blackjack Trainer 101 vs Blackjack 21

Blackjack Trainer 101 and Blackjack 21 both sit at 4.8 stars, but that hides the real split: 93% of Blackjack Trainer 101's written reviews are positive against 55% of Blackjack 21's. Blackjack 21's advantage is ads (none vs shown) and chart position (#165 vs unranked). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Blackjack Trainer 101 sells 1 one-off in-app purchase and Blackjack 21 sells 12 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Blackjack Trainer 101 against 4.7 for Blackjack 21. Both are backed by a comparable volume of ratings — 6.9K and 5.7K respectively. Written reviews are what separate them: 93% of Blackjack Trainer 101's written reviews are positive against 55% of Blackjack 21's.

Blackjack Trainer 101 ships an update every 3 weeks, Blackjack 21 fortnightly. Both last shipped on November 1, 2026.

## The numbers

| Metric | Blackjack Trainer 101 | Blackjack 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.9K ratings)](https://appshunter.io/ios/app/blackjack-trainer-101/id348323010/reviews)** | [4.7 (5.7K ratings)](https://appshunter.io/ios/app/blackjack-21-strategy-trainer/id597239290/reviews) |
| Number of ratings | **6.9K** | 5.7K |
| Positive reviews | **93.0% of reviews** | 54.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#165** |
| Size | 17 MB | 69 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 12+ |
| Developer | [David Richmond](https://appshunter.io/developer/329944573) | [BlackJack Trainer 21 Training AG](https://appshunter.io/developer/1824121005) |

## 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


### Blackjack 21

[App page](https://appshunter.io/ios/app/blackjack-21-strategy-trainer/id597239290)

**Currently charting:** #165 Top Free · Casino, #177 Top Grossing · Casino (US App Store)

Master blackjack with this strategy trainer. Learn optimal decisions for hitting, standing, splitting, doubling, and surrendering through realistic hands and instant feedback. Improve your confidence and decision-making at the table without any real money or distractions.

**Highlights:** Practice real blackjack decisions, Get instant feedback on moves, View adaptive basic strategy table, Learn professional playing techniques, No money or card counting involved

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All PRO features - monthly | $4.99 | per month |
| Flash Sale! PRO - monthly | $7.99 | per month |
| All PRO features - monthly | $7.99 | per month |
| All PRO features - monthly | $8.99 | per month |
| All PRO features - yearly | $23.90 | per year |
| All PRO features - yearly | $23.99 | per year |
| All PRO features - annually | $23.99 | per year |
| Flash Sale! PRO - yearly | $24.99 | per year |
| Pair Practice Mode | $1.99 | one-time |
| Soft Hand Training Mode | $1.99 | one-time |
| Custom Table Settings | $1.99 | one-time |
| All PRO features - lifetime | $49.99 | one-time |

**What reviewers like**

- 🚀 Great training
- 👍 Helpful for practicing basic strategy
- 👍 Solid interface
- 👍 Detailed feedback
- 👍 Easy to use UI

**What reviewers complain about**

- 🐛 Buggy with pop-ups and crashes
- 🔒 Subscription model for full functionality
- 🔒 Paywall for advanced features
- 👎 Lacks explanation for correct/incorrect moves
- 👎 Inaccurate basic strategy recommendations

**Reported bugs**

- Incorrect basic strategy recommendations
- Freezing and crashing issues
- Incompatibility with certain devices
- Subscription issues and unexpected charges

**Requested features**

- Allow continuing hands beyond initial deal
- Provide explanations for correct/incorrect moves
- Incorporate card counting and strategy deviations
- Customize settings to match casino rules
- Reset weakest hands chart


## Frequently asked questions

### Is Blackjack Trainer 101 free?

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

### Is Blackjack 21 free?

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

### Which has better reviews, Blackjack Trainer 101 or Blackjack 21?

Blackjack Trainer 101 is rated higher. Blackjack Trainer 101 averages 4.8 out of 5 from 6.9K ratings, while Blackjack 21 averages 4.7 from 5.7K ratings.

### Do Blackjack Trainer 101 or Blackjack 21 have ads?

Blackjack Trainer 101 shows ads; Blackjack 21 does not.

### Which is updated more often, Blackjack Trainer 101 or Blackjack 21?

Blackjack Trainer 101 ships an update every 3 weeks, and Blackjack 21 fortnightly. Most recently, Blackjack Trainer 101 was updated on November 1, 2026 and Blackjack 21 on November 1, 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.*