# Probabilités vs FizziQ Junior

The clearest difference is update cadence: FizziQ Junior at every 6 weeks against Probabilités's every 26 months. FizziQ Junior also leads on device support (3 vs 1) and iOS requirement (12.0 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, FizziQ Junior every 6 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Probabilités | FizziQ Junior |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 14 MB | 84 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Auclair](https://appshunter.io/developer/1333526155) | [Christophe Chazot](https://appshunter.io/developer/1516870598) |

## What reviewers say

### Probabilités

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

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

**In-app purchases:** none


### FizziQ Junior

[App page](https://appshunter.io/ios/app/fizziq-junior/id1645549884)

This free digital science notebook helps upper primary and lower secondary students develop scientific reasoning through hands-on experimentation. It utilizes device sensors, camera, and touch functions for engaging classroom investigations.

**Highlights:** Digital science notebook, Hands-on experimentation, Utilizes device sensors, Classroom investigation tools, Develops scientific reasoning, Supports upper primary/lower secondary students

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

**In-app purchases:** none


## Frequently asked questions

### Is Probabilités free?

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

### Is FizziQ Junior free?

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

### Do Probabilités or FizziQ Junior have ads?

Neither Probabilités nor FizziQ Junior shows ads.

### Which is updated more often, Probabilités or FizziQ Junior?

Probabilités ships an update every 26 months, and FizziQ Junior every 6 weeks. Most recently, Probabilités was updated on October 26, 2026 and FizziQ Junior on October 6, 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.*