# Blackjack vs SimpleJack 21

The clearest difference is ads: Blackjack at none against SimpleJack 21's shown. Blackjack also leads on rating (4.5 vs 4.2). SimpleJack 21's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Blackjack sells 3 in-app purchases, starting at $1.99 per 7 days and SimpleJack 21 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blackjack holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 13 and 6 respectively.

Blackjack ships an update every 2 weeks, SimpleJack 21 fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Blackjack | SimpleJack 21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/blackjack-learn-practice/id6757376628/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/simplejack-21-blackjack-game/id6758989812/reviews) |
| Number of ratings | **13** | 6 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 47 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Robin Kanatzar](https://appshunter.io/developer/1209848116) | [FIRST POINT YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1866019552) |

## What reviewers say

### Blackjack

[App page](https://appshunter.io/ios/app/blackjack-learn-practice/id6757376628)

Master blackjack strategy and card counting with progressive lessons and real-time feedback. Learn to calculate house edge and make mathematically correct plays to beat the dealer.

**Highlights:** 18 progressive strategy lessons, Full Hi-Lo card counting course, EV calculator for house edge analysis, Real-time feedback on every hand, Realistic casino gameplay simulation, Detailed progress tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $1.99 | per 7 days |
| Pro Monthly | $3.99 | per month |
| Pro | $12.99 | 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 free?

Blackjack 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 or SimpleJack 21?

Blackjack is rated higher. Blackjack averages 4.5 out of 5 from 13 ratings, while SimpleJack 21 averages 4.2 from 6 ratings.

### Do Blackjack or SimpleJack 21 have ads?

SimpleJack 21 shows ads; Blackjack does not.

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

Blackjack ships an update every 2 weeks, and SimpleJack 21 fortnightly. Most recently, Blackjack was updated on October 26, 2026 and SimpleJack 21 on October 25, 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.*