# MMDH App vs OctoStudio

The clearest difference is review sentiment: OctoStudio at 83% against MMDH App's 33%. OctoStudio also leads on update cadence (monthly vs every 2 months). MMDH App's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MMDH App ships an update every 2 months, OctoStudio monthly. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MMDH App | 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 | 33.3% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 18 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Paw Tech](https://appshunter.io/developer/1463406942) | [Massachusetts Institute of Technology](https://appshunter.io/developer/353590322) |

## What reviewers say

### MMDH App

[App page](https://appshunter.io/ios/app/mmdh-app/id1599154040)

Explore historical human rights violations in Chile through audio guides, virtual tours, and interactive collections. This app promotes reflection on democratic values and tolerance to prevent future atrocities.

**Highlights:** Audio guides, Digital collections, Interactive exhibits, Thematic tours, Virtual museum tours

**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 MMDH App free?

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

### Is OctoStudio free?

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

### Do MMDH App or OctoStudio have ads?

Neither MMDH App nor OctoStudio shows ads.

### Which is updated more often, MMDH App or OctoStudio?

MMDH App ships an update every 2 months, and OctoStudio monthly. Most recently, MMDH App was updated on September 13, 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.*