# Blackjack vs Single Deck Blackjack 21

The clearest difference is price: Blackjack at Free against Single Deck Blackjack 21's $0.99. Blackjack also leads on iOS requirement (15.0 vs 26.2). Single Deck Blackjack 21's advantage is in-app purchases (none vs 6) and ads (none vs shown). On update cadence and device support there is nothing between them.

Blackjack is free to download; Single Deck Blackjack 21 costs $0.99 up front. Blackjack sells 6 one-off in-app purchases. Single Deck Blackjack 21 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Blackjack | Single Deck Blackjack 21 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/blackjack-real-odds/id6759262508/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 13 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Matthew Gursky](https://appshunter.io/developer/1877710015) | [Tyler McQuade](https://appshunter.io/developer/1821094474) |

## What reviewers say

### Blackjack

[App page](https://appshunter.io/ios/app/blackjack-real-odds/id6759262508)

Practice Blackjack with realistic casino odds and rules. This game uses a certified random shuffling algorithm to simulate actual casino conditions, helping you refine your strategy for hitting, standing, and card counting. Track your performance and play offline without any chip buying required.

**Highlights:** Real casino rules customization, Fair dealing with certified RNG, Instant strategy feedback, Unlockable custom card designs, 100% offline play, Performance tracking and analysis, Speed mode for efficient training

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WW2 Airplane ID Cards | $0.99 | one-time |
| Simple Deck | $0.99 | one-time |
| Retro Game Card Deck | $0.99 | one-time |
| Pagan Deck | $0.99 | one-time |
| Dark Fantasy Deck | $0.99 | one-time |
| Blackjack: Real Odds | $2.99 | one-time |


### Single Deck Blackjack 21

[App page](https://appshunter.io/ios/app/single-deck-blackjack-21/id6802456507)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blackjack free?

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

### Is Single Deck Blackjack 21 free?

Single Deck Blackjack 21 costs $0.99, with no in-app purchases.

### Do Blackjack or Single Deck Blackjack 21 have ads?

Blackjack shows ads; Single Deck Blackjack 21 does not.

### Which is updated more often, Blackjack or Single Deck Blackjack 21?

Blackjack ships an update every 4 days, and Single Deck Blackjack 21 every 4 days. Most recently, Blackjack was updated on October 31, 2026 and Single Deck Blackjack 21 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.*