# Probabilités vs Redy

The clearest difference is update cadence: Redy at every 4 months against Probabilités's every 26 months. Redy also leads on device support (3 vs 1) and iOS requirement (12.2 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Probabilités ships an update every 26 months, Redy every 4 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Probabilités | Redy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Size | 14 MB | 71 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Auclair](https://appshunter.io/developer/1333526155) | [Jeulin](https://appshunter.io/developer/528554756) |

## What reviewers say

### Probabilités

[App page](https://appshunter.io/ios/app/probabilites/id1334634985)

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

**In-app purchases:** none


### Redy

[App page](https://appshunter.io/ios/app/redy/id1451073037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probabilités free?

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

### Is Redy free?

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

### Do Probabilités or Redy have ads?

Neither Probabilités nor Redy shows ads.

### Which is updated more often, Probabilités or Redy?

Probabilités ships an update every 26 months, and Redy every 4 months. Most recently, Probabilités was updated on October 26, 2026 and Redy on October 26, 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.*