# unBlackjack vs Double Down

The clearest difference is in-app purchases: unBlackjack at none against Double Down's 1. Double Down's advantage is ads (none vs shown) and update cadence (weekly vs every 5 months). On price, rating and device support there is nothing between them.

Both are free to download. Double Down sells 1 one-off in-app purchase. unBlackjack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for unBlackjack against 4.9 for Double Down. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

unBlackjack ships an update every 5 months, Double Down weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | unBlackjack | Double Down |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unblackjack/id6773166297/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/double-down-blackjack-trainer/id6777006186/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Paid | **Freemium** |
| Size | 12 MB | 22 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Ground Glass Technologies LLC](https://appshunter.io/developer/1891723510) | [Neeraj Aggarwal](https://appshunter.io/developer/1877631231) |

## What reviewers say

### unBlackjack

[App page](https://appshunter.io/ios/app/unblackjack/id6773166297)

Experience the classic card game without distractions. This app offers a pure blackjack experience with honest rules and no in-app purchases, ads, or subscriptions. Focus on strategy with optional optimal play hints.

**Highlights:** Pure blackjack gameplay, No ads, subscriptions, or in-app purchases, Honest rules and classic mechanics, Optional optimal play hints, Single-player practice mode, Universal app for iPhone and iPad

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

**In-app purchases:** none


### Double Down

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

Master blackjack with this educational trainer. Learn basic strategy and card counting with detailed math explanations. Practice full rounds, get feedback on every decision, and track your progress.

**Highlights:** Basic strategy learning, Card counting practice, Detailed decision feedback, Customizable game rules, Progress tracking, Offline play

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

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


## Frequently asked questions

### Is unBlackjack free?

unBlackjack is free to download, with no in-app purchases.

### Is Double Down free?

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

### Which has better reviews, unBlackjack or Double Down?

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

### Do unBlackjack or Double Down have ads?

unBlackjack shows ads; Double Down does not.

### Which is updated more often, unBlackjack or Double Down?

unBlackjack ships an update every 5 months, and Double Down weekly. Most recently, unBlackjack was updated on October 31, 2026 and Double Down on November 5, 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.*