# OnStep Controller vs Optics Workbench

OnStep Controller and Optics Workbench 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 | OnStep Controller | Optics Workbench |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 7 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gray Digital Arts LLC](https://appshunter.io/developer/1895978400) | [浚哲 彭](https://appshunter.io/developer/6787808310) |

## What reviewers say

### OnStep Controller

[App page](https://appshunter.io/ios/app/onstep-controller-gda/id6765521295)

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

**In-app purchases:** none


### Optics Workbench

[App page](https://appshunter.io/ios/app/optics-workbench/id6794776366)

**In-app purchases:** none


## Frequently asked questions

### Is OnStep Controller free?

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

### Is Optics Workbench free?

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

### Do OnStep Controller or Optics Workbench have ads?

Neither OnStep Controller nor Optics Workbench 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.*