# Optogenetics vs QR_maker

Optogenetics and QR_maker are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Optogenetics | QR_maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 365 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [Roman Gornostayev](https://appshunter.io/developer/1852505082) |

## What reviewers say

### Optogenetics

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

**Features:** macOS Compatibility

**In-app purchases:** none


### QR_maker

[App page](https://appshunter.io/ios/app/qr-maker/id6755192507)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optogenetics free?

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

### Is QR_maker free?

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

### Do Optogenetics or QR_maker have ads?

Neither Optogenetics nor QR_maker shows ads.

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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.*