# Optogenetics vs Rust Farm Companion

The clearest difference is iOS requirement: Rust Farm Companion at 13.0 against Optogenetics's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Optogenetics ships an update every 5 months, Rust Farm Companion every 6 months. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Optogenetics | Rust Farm Companion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Size | 365 MB | 45 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [Bertrand AYMES](https://appshunter.io/developer/1833068893) |

## What reviewers say

### Optogenetics

[App page](https://appshunter.io/ios/app/optogenetics/id570438151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rust Farm Companion

[App page](https://appshunter.io/ios/app/rust-farm-companion/id6750687461)

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

**In-app purchases:** none


## Frequently asked questions

### Is Optogenetics free?

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

### Is Rust Farm Companion free?

Rust Farm Companion is free to download, with no in-app purchases.

### Do Optogenetics or Rust Farm Companion have ads?

Neither Optogenetics nor Rust Farm Companion shows ads.

### Which is updated more often, Optogenetics or Rust Farm Companion?

Optogenetics ships an update every 5 months, and Rust Farm Companion every 6 months. Most recently, Optogenetics was updated on October 17, 2026 and Rust Farm Companion on October 6, 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.*