# SKF Super vs Straightness

The clearest difference is iOS requirement: Straightness at 12.0 against SKF Super's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | SKF Super | Straightness |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 35 MB | 59 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### SKF Super

[App page](https://appshunter.io/ios/app/skf-super-precision-manager/id1459098715)

**Features:** macOS Compatibility

**In-app purchases:** none


### Straightness

[App page](https://appshunter.io/ios/app/straightness/id6759055500)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SKF Super free?

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

### Is Straightness free?

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

### Do SKF Super or Straightness have ads?

Neither SKF Super nor Straightness shows ads.

### Which is updated more often, SKF Super or Straightness?

SKF Super ships an update every 2 months, and Straightness every 2 months. Most recently, SKF Super was updated on October 28, 2026 and Straightness on October 28, 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.*