# FizziQ Junior vs OctoStudio

The clearest difference is review sentiment: OctoStudio at 84% against FizziQ Junior's 50%. FizziQ Junior's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, 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.

FizziQ Junior ships an update every 6 weeks, OctoStudio monthly. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | FizziQ Junior | OctoStudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (64 ratings)](https://appshunter.io/ios/app/octostudio-coding-for-kids/id6461573316/reviews)** |
| Number of ratings | — | **64** |
| Positive reviews | 50.0% of reviews | **84.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 84 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Chazot](https://appshunter.io/developer/1516870598) | [Massachusetts Institute of Technology](https://appshunter.io/developer/353590322) |

## What reviewers say

### 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


### OctoStudio

[App page](https://appshunter.io/ios/app/octostudio-coding-for-kids/id6461573316)

Create animations and games using coding blocks on your mobile device. Bring your own photos and sounds to life, and share your interactive projects with others. Developed by the creators of Scratch at MIT, it's a free and fun way to learn coding.

**Highlights:** Create animations and games, Use coding blocks, Incorporate photos and sounds, Interactive project features, Share projects as video or GIF, Offline project creation, Learn coding through play

**In-app purchases:** none


## Frequently asked questions

### Is FizziQ Junior free?

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

### Is OctoStudio free?

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

### Do FizziQ Junior or OctoStudio have ads?

Neither FizziQ Junior nor OctoStudio shows ads.

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

FizziQ Junior ships an update every 6 weeks, and OctoStudio monthly. Most recently, FizziQ Junior was updated on October 6, 2026 and OctoStudio on October 20, 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.*