# Arc & Arch Layout Calculator vs Ruler ▸

The clearest difference is price: Ruler ▸ at Free against Arc & Arch Layout Calculator's $1.99. Ruler ▸ also leads on iOS requirement (15.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Ruler ▸ is free to download; Arc & Arch Layout Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Arc & Arch Layout Calculator | Ruler ▸ |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 8 MB | 74 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Yaroslava Majstrovich](https://appshunter.io/developer/1468058631) |

## What reviewers say

### Arc & Arch Layout Calculator

[App page](https://appshunter.io/ios/app/arc-and-arch-layout-calculator/id6767654725)

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

**In-app purchases:** none


### Ruler ▸

[App page](https://appshunter.io/ios/app/ruler/id6805987132)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arc & Arch Layout Calculator free?

Arc & Arch Layout Calculator costs $1.99, with no in-app purchases.

### Is Ruler ▸ free?

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

### Do Arc & Arch Layout Calculator or Ruler ▸ have ads?

Neither Arc & Arch Layout Calculator nor Ruler ▸ 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.*