# Regla de tres vs BrauRefracto

The clearest difference is ads: BrauRefracto at none against Regla de tres's shown. Regla de tres's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price 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.

## The numbers

| Metric | Regla de tres | BrauRefracto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | — |
| Size | 24 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Edwin Mejia](https://appshunter.io/developer/1620400021) | [Peter Borer](https://appshunter.io/developer/6797005776) |

## What reviewers say

### Regla de tres

[App page](https://appshunter.io/ios/app/regla-de-tres/id6443945192)

**Features:** macOS Compatibility

**In-app purchases:** none


### BrauRefracto

[App page](https://appshunter.io/ios/app/braurefracto/id6797005774)

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

**In-app purchases:** none


## Frequently asked questions

### Is Regla de tres free?

Regla de tres is free to download, with no in-app purchases.

### Is BrauRefracto free?

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

### Do Regla de tres or BrauRefracto have ads?

Regla de tres shows ads; BrauRefracto does not.

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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.*