# Explain 3D FREE vs INNIO Learning Experiences

The clearest difference is review sentiment: INNIO Learning Experiences at 100% against Explain 3D FREE's 14%. INNIO Learning Experiences also leads on rating (5.0 vs 2.0). Explain 3D FREE's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (9.0 vs 12.0). On price, ratings volume, 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.

INNIO Learning Experiences holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 14% of Explain 3D FREE's written reviews are positive against 100% of INNIO Learning Experiences's.

Explain 3D FREE ships an update every 6 weeks, INNIO Learning Experiences every 5 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Explain 3D FREE | INNIO Learning Experiences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/explain-3d-free-understand-how-stuff-works/id968247111/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/innio-learning-experiences/id1438616709/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 84 MB | 233 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Explain 3D](https://appshunter.io/developer/1019479194) | [MEDIASQUAD Medienentwicklungs- und Vertriebs-GmbH](https://appshunter.io/developer/1279429261) |

## What reviewers say

### Explain 3D FREE

[App page](https://appshunter.io/ios/app/explain-3d-free-understand-how-stuff-works/id968247111)

Explore interactive 3D simulations to understand how various systems and objects function. This free version includes a 4-stroke engine simulation, with more available in the full version. It aims to make learning engaging and fun through detailed models and animations.

**Highlights:** Interactive 3D simulations, Understand how things work, Car engine simulation (free), Detailed 3D models and animations, Engaging educational content, Intuitive interface

**Features:** Vision Pro support

**In-app purchases:** none


### INNIO Learning Experiences

[App page](https://appshunter.io/ios/app/innio-learning-experiences/id1438616709)

Explore the fundamental principles of gas engines through interactive 3D and augmented reality experiences. Learn how these engines power the world by watching videos, collecting parts, and virtually starting an engine.

**Highlights:** Interactive 3D engine models, Augmented Reality (AR) engine experience, Educational videos, Collect engine parts, Virtual engine startup, Learn gas engine fundamentals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Explain 3D FREE free?

Explain 3D FREE is free to download, with no in-app purchases.

### Is INNIO Learning Experiences free?

INNIO Learning Experiences is free to download, with no in-app purchases.

### Which has better reviews, Explain 3D FREE or INNIO Learning Experiences?

INNIO Learning Experiences is rated higher. Explain 3D FREE averages 2.0 out of 5 from 5 ratings, while INNIO Learning Experiences averages 5.0 from 2 ratings.

### Do Explain 3D FREE or INNIO Learning Experiences have ads?

Neither Explain 3D FREE nor INNIO Learning Experiences shows ads.

### Which is updated more often, Explain 3D FREE or INNIO Learning Experiences?

Explain 3D FREE ships an update every 6 weeks, and INNIO Learning Experiences every 5 months. Most recently, Explain 3D FREE was updated on October 13, 2026 and INNIO Learning Experiences 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.*