# Regla de tres vs Coren

The clearest difference is ads: Coren at none against Regla de tres's shown. On price, in-app purchases, device support and iOS requirement 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 | Coren |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | — |
| Size | 24 MB | 0 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edwin Mejia](https://appshunter.io/developer/1620400021) | [Servicos e Informacoes do Brasil](https://appshunter.io/developer/1475781851) |

## What reviewers say

### Regla de tres

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Coren

[App page](https://appshunter.io/ios/app/coren-sp-plus-facil/id6670569227)

**Features:** macOS Compatibility

**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 Coren free?

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

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

Regla de tres shows ads; Coren 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.*