# windowID vs Keystone Products

windowID and Keystone Products 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 | windowID | Keystone Products |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keystone-products/id6774131393/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 67 MB | 209 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Winkhaus Polska Beteiligungs spółka z o.o. sp.k.](https://appshunter.io/developer/1844822655) | [Almo Corporation](https://appshunter.io/developer/529491295) |

## What reviewers say

### windowID

[App page](https://appshunter.io/ios/app/windowid/id6755592671)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keystone Products

[App page](https://appshunter.io/ios/app/keystone-products/id6774131393)

**In-app purchases:** none


## Frequently asked questions

### Is windowID free?

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

### Is Keystone Products free?

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

### Do windowID or Keystone Products have ads?

Neither windowID nor Keystone Products 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.*