# BLACK JACK PROBABILITY vs First Rank

BLACK JACK PROBABILITY and First Rank are too close to call on the numbers: across 4 compared parameters — ads, in-app purchases, device support and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

## The numbers

| Metric | BLACK JACK PROBABILITY | First Rank |
| --- | --- | --- |
| Price | — | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 5 MB | 69 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIAOU, KK](https://appshunter.io/developer/1547778886) | [BOOK MY OP TICKET](https://appshunter.io/developer/1811967618) |

## What reviewers say

### BLACK JACK PROBABILITY

[App page](https://appshunter.io/ios/app/black-jack-probability/id1547778883)

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

**In-app purchases:** none


### First Rank

[App page](https://appshunter.io/ios/app/first-rank/id6749693253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLACK JACK PROBABILITY free?

Pricing for BLACK JACK PROBABILITY is not currently listed on the App Store.

### Is First Rank free?

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

### Do BLACK JACK PROBABILITY or First Rank have ads?

Neither BLACK JACK PROBABILITY nor First Rank shows ads.

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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.*