# BioLabCalculators vs Protein Viewer Pro

The clearest difference is price: Protein Viewer Pro at Free against BioLabCalculators's $6.99. Protein Viewer Pro also leads on update cadence (every 2 weeks vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Protein Viewer Pro is free to download; BioLabCalculators costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BioLabCalculators ships an update every 10 months, Protein Viewer Pro every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BioLabCalculators | Protein Viewer Pro |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Size | 1 MB | 27 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Valeriy Tarasov](https://appshunter.io/developer/1470827581) | [Heebok Lee](https://appshunter.io/developer/1855773499) |

## What reviewers say

### BioLabCalculators

[App page](https://appshunter.io/ios/app/biolabcalculators/id1480948459)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protein Viewer Pro

[App page](https://appshunter.io/ios/app/protein-viewer-pro/id6755710571)

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

**In-app purchases:** none


## Frequently asked questions

### Is BioLabCalculators free?

BioLabCalculators costs $6.99, with no in-app purchases.

### Is Protein Viewer Pro free?

Protein Viewer Pro is free to download, with no in-app purchases.

### Do BioLabCalculators or Protein Viewer Pro have ads?

Neither BioLabCalculators nor Protein Viewer Pro shows ads.

### Which is updated more often, BioLabCalculators or Protein Viewer Pro?

BioLabCalculators ships an update every 10 months, and Protein Viewer Pro every 2 weeks. Most recently, BioLabCalculators was updated on October 26, 2026 and Protein Viewer Pro on October 25, 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.*