# EarthProject vs OctoStudio

The clearest difference is rating: OctoStudio at 4.8 against EarthProject's 3.0. OctoStudio also leads on review sentiment (83% vs 60%) and ratings volume (64 vs 4). EarthProject'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.

OctoStudio holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: OctoStudio has 64 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of EarthProject's written reviews are positive against 83% of OctoStudio's.

EarthProject ships an update every 3 weeks, OctoStudio monthly. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EarthProject | OctoStudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/earthproject/id1580109940/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/octostudio-coding-for-kids/id6461573316/reviews)** |
| Number of ratings | 4 | **64** |
| Positive reviews | 60.0% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 93 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKE ACTION GLOBAL Inc](https://appshunter.io/developer/1580109942) | [Massachusetts Institute of Technology](https://appshunter.io/developer/353590322) |

## What reviewers say

### EarthProject

[App page](https://appshunter.io/ios/app/earthproject/id1580109940)

Learn and get motivated to reduce your carbon and plastic footprint. This educational app provides tools and encouragement for sustainable living.

**Highlights:** Learn waste reduction techniques, Motivation for sustainable living, Carbon footprint tracking, Plastic waste reduction guidance, Educational content

**Features:** macOS Compatibility

**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 EarthProject free?

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

### Is OctoStudio free?

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

### Which has better reviews, EarthProject or OctoStudio?

OctoStudio is rated higher. EarthProject averages 3.0 out of 5 from 4 ratings, while OctoStudio averages 4.8 from 64 ratings.

### Do EarthProject or OctoStudio have ads?

Neither EarthProject nor OctoStudio shows ads.

### Which is updated more often, EarthProject or OctoStudio?

EarthProject ships an update every 3 weeks, and OctoStudio monthly. Most recently, EarthProject was updated on June 1, 2026 and OctoStudio on September 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.*