# GCPEC vs Regla de tres

The clearest difference is ads: GCPEC at none against Regla de tres's shown. GCPEC also leads on update cadence (monthly vs every 19 months). 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.

GCPEC ships an update monthly, Regla de tres every 19 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GCPEC | Regla de tres |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 19 months |
| Size | 22 MB | 24 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fator RH Programas de Desenvolvimento LTDA](https://appshunter.io/developer/1608053323) | [Edwin Mejia](https://appshunter.io/developer/1620400021) |

## What reviewers say

### GCPEC

[App page](https://appshunter.io/ios/app/gcpec/id1608053321)

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

**In-app purchases:** none


### Regla de tres

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GCPEC free?

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

### Is Regla de tres free?

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

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

Regla de tres shows ads; GCPEC does not.

### Which is updated more often, GCPEC or Regla de tres?

GCPEC ships an update monthly, and Regla de tres every 19 months. Most recently, GCPEC was updated on October 11, 2026 and Regla de tres on October 27, 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.*