# HudsonAlpha iCell vs mozaikApp

The clearest difference is rating: mozaikApp at 4.2 against HudsonAlpha iCell's 3.0. HudsonAlpha iCell's advantage is in-app purchases (none vs 2) and review sentiment (70% vs 58%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. mozaikApp sells 2 one-off in-app purchases. HudsonAlpha iCell asks for nothing beyond the download.

mozaikApp holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 294 and 142 respectively. Written reviews complicate that: 70% of HudsonAlpha iCell's written reviews are positive against 58% of mozaikApp's, so the app with the better star average is not the one people write more warmly about.

HudsonAlpha iCell ships an update every 4 weeks, mozaikApp every 5 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HudsonAlpha iCell | mozaikApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (294 ratings)](https://appshunter.io/ios/app/hudsonalpha-icell/id364882015/reviews) | **[4.2 (142 ratings)](https://appshunter.io/ios/app/mozaikapp/id1064850237/reviews)** |
| Number of ratings | **294** | 142 |
| Positive reviews | **69.8% of reviews** | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 83 MB | 451 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HudsonAlpha Institute for Biotechnology](https://appshunter.io/developer/364882018) | [MOZAIK Education Ltd.](https://appshunter.io/developer/1064850236) |

## What reviewers say

### HudsonAlpha iCell

[App page](https://appshunter.io/ios/app/hudsonalpha-icell/id364882015)

Explore the inner workings of animal, plant, and bacteria cells in a 3D interactive environment. Tap on cellular components to learn their names and functions. Rotate and zoom to get a comprehensive understanding of cellular biology.

**Highlights:** 3D interactive cell models, Animal, plant, and bacteria cell examples, Tap to select and learn organelle functions, Rotate and zoom functionality, Adjustable text size and description levels

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning about cells
- 🚀 Great 3D visuals and interactive features
- 💡 Different levels of complexity for various users
- 🎓 Useful for students and teachers

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔍 Limited content and organelles covered
- 🤔 Lacking in-depth information and functionality
- 🙄 Boring and oversimplified for some users

**Reported bugs**

- Frequent crashes and app instability
- Compatibility issues with newer iOS versions
- Missing or incorrectly labeled organelles

**Requested features**

- Add more cell types (e.g. fungi, virus)
- Provide quizzing and assessment features
- Improve level of detail and explanations
- Allow users to explore cell structures in more depth


### mozaikApp

[App page](https://appshunter.io/ios/app/mozaikapp/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)


## Frequently asked questions

### Is HudsonAlpha iCell free?

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

### Is mozaikApp free?

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

### Which has better reviews, HudsonAlpha iCell or mozaikApp?

mozaikApp is rated higher. HudsonAlpha iCell averages 3.0 out of 5 from 294 ratings, while mozaikApp averages 4.2 from 142 ratings.

### Do HudsonAlpha iCell or mozaikApp have ads?

Neither HudsonAlpha iCell nor mozaikApp shows ads.

### Which is updated more often, HudsonAlpha iCell or mozaikApp?

HudsonAlpha iCell ships an update every 4 weeks, and mozaikApp every 5 weeks. Most recently, HudsonAlpha iCell was updated on October 23, 2026 and mozaikApp on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*