# Optogenetics vs Ross Optical Calculator

The clearest difference is update cadence: Ross Optical Calculator at every 6 weeks against Optogenetics's every 5 months. Ross Optical Calculator also leads on iOS requirement (12.4 vs 17.0). 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.

Optogenetics ships an update every 5 months, Ross Optical Calculator every 6 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Optogenetics | Ross Optical Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ross-optical-calculator/id1377878551/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 365 MB | 12 MB |
| Requires iOS | 17.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [Ross Optical](https://appshunter.io/developer/1377878550) |

## What reviewers say

### Optogenetics

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Ross Optical Calculator

[App page](https://appshunter.io/ios/app/ross-optical-calculator/id1377878551)

This utility app provides a comprehensive calculator for a variety of optical equations. It is designed for ease of use, making complex calculations accessible on your mobile device.

**Highlights:** Optical equation calculator, Wide range of equations, Easy to use interface, Mobile accessibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optogenetics free?

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

### Is Ross Optical Calculator free?

Ross Optical Calculator is free to download, with no in-app purchases.

### Do Optogenetics or Ross Optical Calculator have ads?

Neither Optogenetics nor Ross Optical Calculator shows ads.

### Which is updated more often, Optogenetics or Ross Optical Calculator?

Optogenetics ships an update every 5 months, and Ross Optical Calculator every 6 weeks. Most recently, Optogenetics was updated on October 17, 2026 and Ross Optical Calculator on October 11, 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.*