# Four-stroke Otto engine 3D — Interactive 3D Animation

> Interactive 3D animation of a four-stroke Otto engine for educational exploration. (iPhone/iPad app by MOZAIK Education Ltd..)

- Source: https://appshunter.io/ios/app/four-stroke-otto-engine-3d/id1376010957 (this page in markdown: same URL + `.md`)
- Developer: [MOZAIK Education Ltd.](https://appshunter.io/developer/1064850236)
- Category: Education
- Price: Free
- Rating: 4.70/5 from 89 App Store ratings · 23 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 183 MB
- Languages: American English
- Released: 2018-05-13
- Data updated: 2026-07-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/four-stroke-otto-engine-3d/id1376010957/reviews.md

## What is Four?

Four-stroke Otto engine
This animation demonstrates the type of engine most commonly used in cars.

Explore technology with our interactive 3D animations! Be actively involved in learning about technology by following the latest results of 3D animation.

Our 3D scenes have been designed for students between 8 and 18 years of age but can be interesting for everyone.   

Available languages: English, Deutsch, Français, Español, Русский, العربية, 日本語, 中文, 한국어, Italiano, Português, Svenska, Nederlands, Norsk, Polski, Magyar, Türkçe, Română.

With the mozaik3D App, available in the AppStore, you can access more than 1200 similar 3D scenes.


Mozaik Interactive 3D
Our fully interactive scenes can be rotated, enlarged or viewed from pre-set angles. With the predefined views, you can easily navigate through the complex scenes. Some of the 3D scenes contain a Walk mode, enabling you to explore the scene yourself. Most of our 3D scenes include narrations and built-in animations. They also contain captions, entertaining animated quizzes and other visual elements. The 3D scenes are available in several languages, which also offers an opportunity to learn and practice foreign languages. 

Usage and navigation
Rotate the scene by dragging your finger. 
Zoom the scene in or out by pinching with your fingers. 
Pan the view by dragging with three fingers.
Tap the buttons at the bottom to switch between predefined views.
You can change the language and set other functions in the context menu.
The context menu can be accessed by touching the bottom corners.
Activate VR mode by pressing the VR goggles icon in the bottom right corner.
In VR mode, tilt your head to right or left display the navigation panel.

## Key features

- Interactive 3D engine model
- Rotate, zoom, and pan views
- Predefined navigation angles
- Multilingual support
- VR mode compatibility
- Built-in animations and narrations

## Recent user reviews (10 of 23)

All indexed reviews: https://appshunter.io/ios/app/four-stroke-otto-engine-3d/id1376010957/reviews.md

### 5/5 — Очень очень очень круто

*2025-10-22, version 1.3*

Очень очень крутое приложение вот мне нравится

### 5/5 — 👍

*2025-07-12, version 1.3*

Очень Крутая игра а можете сделать так чтобы можно было управлять машиной

### 5/5 — Beautiful simulation

*2023-04-10, version 1.3*

Fine animatio, very engaging.

### 5/5 — Molto utile

*2022-07-05, version 1.3*

Se volete una spiegazione semplice e chiara questa è l’app giusta

### 5/5 — Nice

*2022-06-22*

Love it

### 5/5 — Love it!

*2022-05-31*

Just started using the app a few minutes ago and have to say - it’s excellent. Very clean, clear 3-D models depicting the inner workings of the automobile.

### 4/5 — V8

*2021-09-21, version 1.3*

I would rate this game 10 out of 5 (if I could) this game would be great for me if it had a v8

### 5/5 — Cool

*2021-08-11, version 1.3*

I love this app about car engines but there is something strange about it. Why are the pistons brown?

### 5/5 — engine

*2021-08-07*

Good application

### 5/5 — Proper education for free charge

*2021-07-04, version 1.3*

The software gives understanding of engine with everything that goes with . As well as mature drawings. And nobody has to pay for the free version which is already very good.

## Frequently asked questions about Four

### What does the Four-stroke Otto engine 3D app do?

This app provides an interactive 3D animation of a four-stroke Otto engine, the type commonly found in cars. It allows users to explore the engine's technology through engaging visuals and interactive controls, making learning about automotive mechanics accessible and fun.

### What are the key features of this engine animation app?

Key features include the ability to rotate, zoom, and pan the 3D engine model, access predefined views for easy navigation, and utilize VR mode for an immersive experience. The app also offers built-in animations, narrations, and is available in multiple languages.

### Is this app free to use?

Yes, the Four-stroke Otto engine 3D app is available for free. There are no in-app purchases or advertisements mentioned, allowing for an uninterrupted educational experience.

### What age group is this app suitable for?

The app is specifically designed for students between the ages of 8 and 18, but its interactive nature and detailed animations can be interesting and educational for people of all ages who want to learn about engine technology.

### Can I use this app to learn foreign languages?

Yes, the app supports numerous languages, including English, German, French, Spanish, and more. By exploring the 3D scenes and their accompanying captions and narrations in different languages, users can practice and improve their foreign language skills.

## Version history (last 3 releases)

### 1.3 — 2019-06-18

Bug fixes, and minor improvements.

### 1.2 — 2019-06-13

Bug fixes, and minor improvements.

### 1.0 — 2018-05-03

No release notes.

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## More apps by MOZAIK Education Ltd.

- [Acropolis Interactive 3D](https://appshunter.io/ios/app/acropolis-interactive-3d/id1001041071)
- [mozaik3D - Explore & Learn](https://appshunter.io/ios/app/mozaik3d-explore-and-learn/id1064850237)
- [mozaBook](https://appshunter.io/ios/app/mozabook/id1142227993)
- [Bacteria 3D](https://appshunter.io/ios/app/bacteria-3d/id1168927717)
- [The mechanism of hearing 3D](https://appshunter.io/ios/app/the-mechanism-of-hearing-3d/id1260500317)

All apps by MOZAIK Education Ltd.: https://appshunter.io/developer/1064850236

## Related topics

[engne](https://appshunter.io/ios/topics/engne) · [engine](https://appshunter.io/ios/topics/engine) · [mozaik 3d](https://appshunter.io/ios/topics/mozaik-3d) · [engine app](https://appshunter.io/ios/topics/engine-app) · [maneuvering by engine](https://appshunter.io/ios/topics/maneuvering-by-engine) · [education 3xpo](https://appshunter.io/ios/topics/education-3xpo) · [engine simulator](https://appshunter.io/ios/topics/engine-simulator) · [electrical 3d interactive lab](https://appshunter.io/ios/topics/electrical-3d-interactive-lab)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*