# SKF Values vs Spiralite Duct Sizer

The clearest difference is iOS requirement: Spiralite Duct Sizer at 10.0 against SKF Values's 15.0. 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.

## The numbers

| Metric | SKF Values | Spiralite Duct Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 57 MB | 55 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [Khansaheb Industries Owned By Khansaheb Investment One Person CO LLC](https://appshunter.io/developer/1638720745) |

## What reviewers say

### SKF Values

[App page](https://appshunter.io/ios/app/skf-values/id1149907235)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spiralite Duct Sizer

[App page](https://appshunter.io/ios/app/spiralite-duct-sizer/id1638720743)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SKF Values free?

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

### Is Spiralite Duct Sizer free?

Spiralite Duct Sizer is free to download, with no in-app purchases.

### Do SKF Values or Spiralite Duct Sizer have ads?

Neither SKF Values nor Spiralite Duct Sizer 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.*