# Double Down vs Blackjack Sense

The clearest difference is monetization model: Double Down at free against Blackjack Sense's freemium. Double Down also leads on device support (3 vs 1) and ratings volume (7 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Double Down sells 1 one-off in-app purchase and Blackjack Sense sells 2 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 — 4.9 for Double Down against 5.0 for Blackjack Sense. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Double Down ships an update weekly, Blackjack Sense every 4 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Double Down | Blackjack Sense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/double-down-blackjack-trainer/id6777006186/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blackjack-sense-trainer/id6796103881/reviews)** |
| Number of ratings | **7** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 21 MB | 30 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Neeraj Aggarwal](https://appshunter.io/developer/1877631231) | [Zigzag Studios LLC](https://appshunter.io/developer/6796103883) |

## What reviewers say

### Double Down

[App page](https://appshunter.io/ios/app/double-down-blackjack-trainer/id6777006186)

Learn the math behind blackjack strategy with detailed breakdowns of expected value, probabilities, and decision-making. Practice with customizable rules and track your progress through focused lessons and drills.

**Highlights:** Expected value breakdown, Win/push/loss probabilities, Customizable table rules, Progress tracking, Focused strategy lessons, Ad-free experience

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Double Down Pro | $4.99 | one-time |


### Blackjack Sense

[App page](https://appshunter.io/ios/app/blackjack-sense-trainer/id6796103881)

Master blackjack strategy and card counting with this simulator. Learn basic strategy, advanced deviations, and track your progress through tiered lessons and drills. Enjoy free play with detailed stats and leaderboards.

**Highlights:** Basic strategy training, Hi-Lo card counting lessons, Advanced deviation training, Bite-sized lessons with adaptive criteria, Focused drills for hand types, Free play with customizable tables, Detailed performance statistics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Double Down free?

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

### Is Blackjack Sense free?

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

### Which has better reviews, Double Down or Blackjack Sense?

Blackjack Sense is rated higher. Double Down averages 4.9 out of 5 from 7 ratings, while Blackjack Sense averages 5.0 from 2 ratings.

### Do Double Down or Blackjack Sense have ads?

Neither Double Down nor Blackjack Sense shows ads.

### Which is updated more often, Double Down or Blackjack Sense?

Double Down ships an update weekly, and Blackjack Sense every 4 days. Most recently, Double Down was updated on October 25, 2026 and Blackjack Sense on October 17, 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.*