# BP + Aral for EETS vs Combinations & Probabilities

The clearest difference is in-app purchases: BP + Aral for EETS at none against Combinations & Probabilities's 1. BP + Aral for EETS also leads on ads (none vs shown) and device support (3 vs 1). Combinations & Probabilities's advantage is update cadence (weekly vs every 4 months). On price there is nothing between them.

Both are free to download. Combinations & Probabilities sells 1 one-off in-app purchase. BP + Aral for EETS asks for nothing beyond the download.

BP + Aral for EETS ships an update every 4 months, Combinations & Probabilities weekly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BP + Aral for EETS | Combinations & Probabilities |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 19 MB | 33 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Trafineo GmbH & Co KG](https://appshunter.io/developer/1187912372) | [Joao Carrion](https://appshunter.io/developer/1044104256) |

## What reviewers say

### BP + Aral for EETS

[App page](https://appshunter.io/ios/app/bp-plus-aral-for-eets-manager/id1446577930)

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

**In-app purchases:** none


### Combinations & Probabilities

[App page](https://appshunter.io/ios/app/combinations-and-probabilities/id6758729922)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C&P Pro | $2.99 | one-time |


## Frequently asked questions

### Is BP + Aral for EETS free?

BP + Aral for EETS is free to download, with no in-app purchases.

### Is Combinations & Probabilities free?

Combinations & Probabilities is free to download, with in-app purchases available.

### Do BP + Aral for EETS or Combinations & Probabilities have ads?

Combinations & Probabilities shows ads; BP + Aral for EETS does not.

### Which is updated more often, BP + Aral for EETS or Combinations & Probabilities?

BP + Aral for EETS ships an update every 4 months, and Combinations & Probabilities weekly. Most recently, BP + Aral for EETS was updated on October 7, 2026 and Combinations & Probabilities on October 19, 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.*