# Tezgenius vs Protein Viewer Pro

The clearest difference is update cadence: Protein Viewer Pro at every 2 weeks against Tezgenius's every 2 months. On price, ads, 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.

Tezgenius ships an update every 2 months, Protein Viewer Pro every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Tezgenius | Protein Viewer Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 58 MB | 27 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eReleGo Technologies Pvt Ltd](https://appshunter.io/developer/1516161345) | [Heebok Lee](https://appshunter.io/developer/1855773499) |

## What reviewers say

### Tezgenius

[App page](https://appshunter.io/ios/app/tezgenius/id6449707957)

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

**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 Tezgenius free?

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

### Is Protein Viewer Pro free?

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

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

Neither Tezgenius nor Protein Viewer Pro shows ads.

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

Tezgenius ships an update every 2 months, and Protein Viewer Pro every 2 weeks. Most recently, Tezgenius was updated on November 3, 2026 and Protein Viewer Pro on November 4, 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.*