# Four-stroke Otto engine 3D

> Interactive 3D Animation designed to turn learning into a playful experience.

Canonical page: [https://chrome-stats.com/d/com.rendernet.ottoengine](https://chrome-stats.com/d/com.rendernet.ottoengine)

## Overview

- **ID:** `com.rendernet.ottoengine`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Mozaik Education
- **Category:** EDUCATION
- **Downloads:** 7,369,371
- **Rating:** 4.14 / 5 (35,655 ratings)
- **Version:** 1.204
- **Last updated:** 2026-05-07
- **First published:** 2016-12-06
- **Publisher country:** HU
- **Size:** 96 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.rendernet.ottoengine)
- **Website:** [http://www.mozaweb.com](http://www.mozaweb.com/)
- **Privacy policy:** [http://www.mozaweb.com/privacy](http://www.mozaweb.com/privacy)

## Description

The **Four-stroke Otto engine 3D** Chrome extension offers an engaging, interactive 3D animation demonstrating the most common car engine technology. Designed for students aged 8 to 18 but enjoyable for all, it transforms learning into a playful experience. Users can rotate, zoom, and explore predefined views, including a VR mode for immersive navigation.

Available in over 20 languages such as English, Spanish, French, and Japanese, this extension also includes narrations, animated quizzes, and captions to deepen understanding. It is part of the Mozaik Interactive 3D series, with over 1200 similar scenes accessible via the mozaik3D app on Google Play, making it an excellent tool for technology education and language practice.

## Rankings

- #18,038 — Overall
- #10 — engine

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`

## Review summary

User reviews consistently praise the app for its educational value about car engines and its impressive 3D visuals and demonstrations. They find it fun, clear, and engaging, often calling it the best app for learning about cars. However, feedback notes the current focus is mainly on engines, with a need for more depth and broader topics beyond engines (e.g., differentials, gearbox). Overall, it is a strong educational tool with room to expand its scope.

### Pros

- Educational content about car engines and how cars work
- Clear explanations that aid understanding
- High-quality 3D visuals with engine demonstrations and model
- Fun and highly praised; often described as the best app for learning about cars
- Appeals to mechanical/engineering enthusiasts

### Cons

- Content depth is limited and not very detailed
- Engine-centric scope; users want broader topics (differentials, gearbox, etc.)

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.rendernet.ottoengine)