# mozaik3D vs PhET Simulations

The clearest difference is price: mozaik3D at Free against PhET Simulations's $0.99. mozaik3D also leads on update cadence (every 5 weeks vs every 14 months). PhET Simulations's advantage is in-app purchases (none vs 2) and rating (4.5 vs 4.2). On review sentiment, ratings volume, ads and device support there is nothing between them.

mozaik3D is free to download; PhET Simulations costs $0.99 up front. mozaik3D sells 2 one-off in-app purchases. PhET Simulations asks for nothing beyond the download.

PhET Simulations holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 141 and 49 respectively. Written reviews point the same way: 58% of mozaik3D's written reviews are positive against 66% of PhET Simulations's.

mozaik3D ships an update every 5 weeks, PhET Simulations every 14 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | mozaik3D | PhET Simulations |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.2 (141 ratings)](https://appshunter.io/ios/app/mozaik3d-explore-and-learn/id1064850237/reviews) | **[4.5 (49 ratings)](https://appshunter.io/ios/app/phet-simulations/id1134126831/reviews)** |
| Number of ratings | **141** | 49 |
| Positive reviews | 58.3% of reviews | **65.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#37** |
| Size | 447 MB | 125 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOZAIK Education Ltd.](https://appshunter.io/developer/1064850236) | [University of Colorado Boulder](https://appshunter.io/developer/972210292) |

## What reviewers say

### mozaik3D

[App page](https://appshunter.io/ios/app/mozaik3d-explore-and-learn/id1064850237)

This app makes learning engaging with over 1300 interactive 3D scenes covering history, science, math, and more. It offers digital lessons, quizzes, and narration to enhance understanding. Explore worlds in walk or VR mode, and practice languages with multi-language support.

**Highlights:** 1300+ interactive 3D scenes, Digital lessons, images, videos, audio, Quizzes and activities, Narrations and animations, Walk mode & VR mode, Multi-language support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mozaik STUDENT - (1 Year) | $44.99 | one-time |
| Mozaik TEACHER - (1 Year) | $119.99 | one-time |

**What reviewers like**

- ✨ Excellent educational tool
- 💡 Innovative 3D scenes
- 📚 Wide range of subjects
- 👍 User-friendly for learning
- 🚀 Fast performance (when working)

**What reviewers complain about**

- 🐛 Frequent login issues
- 🐌 Slow loading times
- ❌ Content not loading
- 🚫 Registration problems
- 📉 Glitchy and buggy

**Reported bugs**

- Login fails, password incorrect
- Cannot register, country/data not accepted
- Account not working after registration
- Adrenaline (advanced) scene shows error
- Audio cuts off in Human body (male) scene

**Requested features**

- Update lymphatic system scene with 3D cross-sections
- Add 3D scene about domestic cat
- Add 3D scene about digestive system
- Add narration for better understanding
- More topics for small kids (plants, flowers, animals)


### PhET Simulations

[App page](https://appshunter.io/ios/app/phet-simulations/id1134126831)

**Currently charting:** #37 Top Paid · Education (US App Store)

Explore science and math concepts through interactive simulations. This app provides over 75 HTML5 simulations for learning about atoms, energy, multiplication, and more. It's ideal for students, parents, and educators, offering offline access and multiple language support.

**Highlights:** Interactive science and math simulations, Offline play capability, Multiple language support, Customizable favorites collection, Automatic simulation updates, Easy simulation sorting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mozaik3D free?

mozaik3D is free to download, with in-app purchases available.

### Is PhET Simulations free?

PhET Simulations costs $0.99, with no in-app purchases.

### Which has better reviews, mozaik3D or PhET Simulations?

PhET Simulations is rated higher. mozaik3D averages 4.2 out of 5 from 141 ratings, while PhET Simulations averages 4.5 from 49 ratings.

### Do mozaik3D or PhET Simulations have ads?

Neither mozaik3D nor PhET Simulations shows ads.

### Which is updated more often, mozaik3D or PhET Simulations?

mozaik3D ships an update every 5 weeks, and PhET Simulations every 14 months. Most recently, mozaik3D was updated on October 15, 2026 and PhET Simulations on October 15, 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.*