# Optogenetics Pro vs CRD ONE

The clearest difference is update cadence: CRD ONE at every 9 months against Optogenetics Pro's every 45 months. CRD ONE also leads on iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Optogenetics Pro ships an update every 45 months, CRD ONE every 9 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Optogenetics Pro | CRD ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/optogenetics-pro/id641358148/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 9 months** |
| Monetization | Free | Free |
| Size | 365 MB | 8 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [CARDIN ELETTRONICA S.p.A.](https://appshunter.io/developer/965252906) |

## What reviewers say

### Optogenetics Pro

[App page](https://appshunter.io/ios/app/optogenetics-pro/id641358148)

This tool helps researchers calculate the necessary optical power for optogenetics experiments involving light delivery to deep brain areas. It considers brain region scattering properties, opsin type, and optical fiber characteristics to estimate excitation depth as a function of optical power.

**Highlights:** Calculate required optical power, Estimate opsin excitation depth, Model light scattering in brain tissue, Input brain region properties, Input opsin properties, Input optical fiber properties

**Features:** macOS Compatibility

**In-app purchases:** none


### CRD ONE

[App page](https://appshunter.io/ios/app/crd-one/id965252907)

Control and monitor your Cardin security and automation systems remotely. Activate receiver outputs, check input statuses, and send commands to PRO and TRADE ECUs. Monitor command and security devices for PRO ECUs.

**Highlights:** Activate 3G/WF receiver outputs, Monitor input status (open/closed), Send commands to PRO and TRADE ECUs, Monitor command and security devices (PRO ECUs)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optogenetics Pro free?

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

### Is CRD ONE free?

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

### Do Optogenetics Pro or CRD ONE have ads?

Neither Optogenetics Pro nor CRD ONE shows ads.

### Which is updated more often, Optogenetics Pro or CRD ONE?

Optogenetics Pro ships an update every 45 months, and CRD ONE every 9 months. Most recently, Optogenetics Pro was updated on October 7, 2026 and CRD ONE 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.*