# Protein Purification for iPhone vs CellWalk

The clearest difference is rating: CellWalk at 4.9 against Protein Purification for iPhone's 4.3. CellWalk also leads on review sentiment (92% vs 67%) and ratings volume (72 vs 4). Protein Purification for iPhone's advantage is in-app purchases (none vs 3) and iOS requirement (7.1 vs 27.0). On price and ads there is nothing between them.

Both are free to download. CellWalk sells 3 in-app purchases, starting at $9.99 per month. Protein Purification for iPhone asks for nothing beyond the download.

CellWalk holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: CellWalk has 72 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of Protein Purification for iPhone's written reviews are positive against 92% of CellWalk's.

Protein Purification for iPhone ships an update every 2 months, CellWalk every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Protein Purification for iPhone | CellWalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/protein-purification-for-iphone/id558471583/reviews) | **[4.9 (72 ratings)](https://appshunter.io/ios/app/cellwalk/id1627776848/reviews)** |
| Number of ratings | 4 | **72** |
| Positive reviews | 66.7% of reviews | **91.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 554 MB |
| Requires iOS | **7.1** | 27.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 12+ |
| Developer | [Simon Booth](https://appshunter.io/developer/1146275430) | [Ako Biotica Inc.](https://appshunter.io/developer/1895703608) |

## What reviewers say

### Protein Purification for iPhone

[App page](https://appshunter.io/ios/app/protein-purification-for-iphone/id558471583)

This educational app simulates protein separation techniques, allowing users to experiment with different purification protocols. It models common chromatography methods and helps users learn which techniques are most effective for various protein mixtures.

**Highlights:** Protein separation technique simulation, Gel filtration and ion-exchange chromatography, Design and test purification protocols, Experiment with complex protein mixtures, Models success and failure scenarios

**Features:** macOS Compatibility

**In-app purchases:** none


### CellWalk

[App page](https://appshunter.io/ios/app/cellwalk/id1627776848)

Explore the intricate world of cells in a 3D environment, from the overall structure down to molecular details. Tap on terms to receive clear, contextual explanations powered by on-device AI, adapting to your learning level. Designed for students and educators to foster a deeper understanding of cell biology.

**Highlights:** 3D cell exploration, On-device AI definitions, Multi-level explanations, Interactive concept chains, Touch-first navigation, High-fidelity visuals

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CellWalk Pro Monthly | $9.99 | per month |
| CellWalk Pro Annual | $79.99 | per year |
| Pro Lessons | $29.99 | one-time |

**What reviewers like**

- ✨ Stunning visualizations
- 🔬 Incredible detail
- 🧠 Informative content
- 👍 Easy to use
- 🚀 Smooth performance

**What reviewers complain about**

- ⚠️ Misleading information
- 📚 Limited content
- 🖼️ Tiny window view
- 😵 Nauseating renderer
- 🐛 Buggy performance

**Reported bugs**

- ATP synthase described backwards
- Renderer noise causes nausea
- Buggy and low framerate
- Renderer not responsive to head movements

**Requested features**

- More cells to explore (eukaryotic, mammalian, computer cells)
- More content and depth
- Expand on descriptions with an 'expand on' feature
- Add tutorials for new users
- Add color to highlighted text for easy reference


## Frequently asked questions

### Is Protein Purification for iPhone free?

Protein Purification for iPhone is free to download, with no in-app purchases.

### Is CellWalk free?

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

### Which has better reviews, Protein Purification for iPhone or CellWalk?

CellWalk is rated higher. Protein Purification for iPhone averages 4.3 out of 5 from 4 ratings, while CellWalk averages 4.9 from 72 ratings.

### Do Protein Purification for iPhone or CellWalk have ads?

Neither Protein Purification for iPhone nor CellWalk shows ads.

### Which is updated more often, Protein Purification for iPhone or CellWalk?

Protein Purification for iPhone ships an update every 2 months, and CellWalk every 3 weeks. Most recently, Protein Purification for iPhone was updated on October 23, 2026 and CellWalk on October 24, 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.*