# Blackjack Trainer vs SimpleJack 21

The clearest difference is rating: Blackjack Trainer at 4.9 against SimpleJack 21's 4.2. Blackjack Trainer also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). SimpleJack 21's advantage is iOS requirement (15.1 vs 17.6). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Blackjack Trainer sells 2 in-app purchases, starting at $3.99 per month and SimpleJack 21 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blackjack Trainer holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 8 and 6 respectively.

Blackjack Trainer ships an update every 3 days, SimpleJack 21 fortnightly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Blackjack Trainer | SimpleJack 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/blackjack-trainer/id6751204237/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/simplejack-21-blackjack-game/id6758989812/reviews) |
| Number of ratings | **8** | 6 |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 11 MB | 47 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Adam McKerlie](https://appshunter.io/developer/1833965672) | [FIRST POINT YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1866019552) |

## What reviewers say

### Blackjack Trainer

[App page](https://appshunter.io/ios/app/blackjack-trainer/id6751204237)

Master blackjack strategy and card counting with this comprehensive trainer. Learn optimal decisions, track your progress with detailed statistics, and build confidence for casino play. Practice anywhere with offline access and an engaging, ad-free experience.

**Highlights:** Learn basic strategy for all hands, Real-time decision hints and feedback, Track progress with detailed statistics, Realistic card dealing animations, Offline practice mode, Optional Pro upgrade

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $29.99 | per year |


### SimpleJack 21

[App page](https://appshunter.io/ios/app/simplejack-21-blackjack-game/id6758989812)

Practice your blackjack strategy with a modern, minimalist simulator. Enjoy realistic gameplay, offline play, and unlockable customizations. Perfect for beginners and experts alike to hone their card skills.

**Highlights:** Offline gameplay, Realistic 6-deck system, Progression and customization, Cryptographic RNG for fair play, Minimalist design

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5k Coins | $0.99 | one-time |
| Welcome Pack | $1.99 | one-time |
| 18k Coins | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Welcome Pack Pro | $4.99 | one-time |
| 65k Coins | $6.99 | one-time |
| Summer Play Pass | $9.99 | one-time |
| 225k Coins | $14.99 | one-time |
| 750k Coins | $29.99 | one-time |
| 2.5m Coins | $59.99 | one-time |


## Frequently asked questions

### Is Blackjack Trainer free?

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

### Is SimpleJack 21 free?

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

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

Blackjack Trainer is rated higher. Blackjack Trainer averages 4.9 out of 5 from 8 ratings, while SimpleJack 21 averages 4.2 from 6 ratings.

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

SimpleJack 21 shows ads; Blackjack Trainer does not.

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

Blackjack Trainer ships an update every 3 days, and SimpleJack 21 fortnightly. Most recently, Blackjack Trainer was updated on October 28, 2026 and SimpleJack 21 on October 28, 2026.

---

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