# Rulix vs Smart Protractor & Angle Meter

The clearest difference is device support: Smart Protractor & Angle Meter at 2 against Rulix's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Rulix sells 4 in-app purchases, starting at $1.99 per month and Smart Protractor & Angle Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rulix | Smart Protractor & Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Size | 4 MB | 7 MB |
| Requires iOS | **16** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HARUN CAN AYAZ](https://appshunter.io/developer/1868392568) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Rulix

[App page](https://appshunter.io/ios/app/rulix-measurement-tools/id6760128803)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rulix Pro | $1.99 | per month |
| Rulix Pro | $2.99 | per month |
| Rulix Pro | $9.99 | per year |
| Rulix Pro | $14.99 | per year |


### Smart Protractor & Angle Meter

[App page](https://appshunter.io/ios/app/smart-protractor-and-angle-meter/id6760594071)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


## Frequently asked questions

### Is Rulix free?

Rulix is free to download, with in-app purchases available.

### Is Smart Protractor & Angle Meter free?

Smart Protractor & Angle Meter is free to download, with in-app purchases available.

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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.*