# iAlignShaft vs Straightness

The clearest difference is price: Straightness at Free against iAlignShaft's $2.99. Straightness also leads on update cadence (every 2 months vs every 11 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Straightness is free to download; iAlignShaft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iAlignShaft ships an update every 11 months, Straightness every 2 months. The most recent releases landed on October 16, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iAlignShaft | Straightness |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 2 MB | 59 MB |
| Requires iOS | 16.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hans Babylone](https://appshunter.io/developer/1550504166) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### iAlignShaft

[App page](https://appshunter.io/ios/app/ialignshaft/id1561514816)

**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 iAlignShaft free?

iAlignShaft costs $2.99, with no in-app purchases.

### Is Straightness free?

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

### Do iAlignShaft or Straightness have ads?

Neither iAlignShaft nor Straightness shows ads.

### Which is updated more often, iAlignShaft or Straightness?

iAlignShaft ships an update every 11 months, and Straightness every 2 months. Most recently, iAlignShaft was updated on October 16, 2026 and Straightness on October 31, 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.*