# iAlignShaft vs CompuSan

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

CompuSan 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, CompuSan monthly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | iAlignShaft | CompuSan |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Size | 2 MB | 117 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hans Babylone](https://appshunter.io/developer/1550504166) | [Spartan Chemical Company](https://appshunter.io/developer/483177301) |

## What reviewers say

### iAlignShaft

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

**In-app purchases:** none


### CompuSan

[App page](https://appshunter.io/ios/app/compusan/id6758158726)

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

**In-app purchases:** none


## Frequently asked questions

### Is iAlignShaft free?

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

### Is CompuSan free?

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

### Do iAlignShaft or CompuSan have ads?

Neither iAlignShaft nor CompuSan shows ads.

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

iAlignShaft ships an update every 11 months, and CompuSan monthly. Most recently, iAlignShaft was updated on October 16, 2026 and CompuSan on October 19, 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.*