# iSurf BrainView vs Biomolecules

The clearest difference is ads: iSurf BrainView at none against Biomolecules's shown. Biomolecules's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSurf BrainView ships an update every 6 weeks, Biomolecules monthly. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | iSurf BrainView | Biomolecules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (25 ratings)](https://appshunter.io/ios/app/isurf-brainview/id381072423/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 11 MB | 173 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Netfilter](https://appshunter.io/developer/365306441) | [Carolina Biological Supply](https://appshunter.io/developer/413708533) |

## What reviewers say

### iSurf BrainView

[App page](https://appshunter.io/ios/app/isurf-brainview/id381072423)

Explore a real brain MRI slice by slice, with anatomical overlays and interactive identification. Test your knowledge with quizzes and rotate a 3D cortical surface. Works offline with no ads or tracking.

**Highlights:** Slice-by-slice MRI exploration, Anatomical segmentation overlays, Interactive structure identification, Searchable structure list, Anatomy quiz mode, 3D cortical surface viewer, Offline functionality

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

**In-app purchases:** none


### Biomolecules

[App page](https://appshunter.io/ios/app/biomolecules-macromolecules/id1626457869)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iSurf BrainView free?

iSurf BrainView is free to download, with no in-app purchases.

### Is Biomolecules free?

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

### Do iSurf BrainView or Biomolecules have ads?

Biomolecules shows ads; iSurf BrainView does not.

### Which is updated more often, iSurf BrainView or Biomolecules?

iSurf BrainView ships an update every 6 weeks, and Biomolecules monthly. Most recently, iSurf BrainView was updated on October 22, 2026 and Biomolecules on October 29, 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.*