# ECC Terre Promise vs Catechisme de Catholique

The clearest difference is in-app purchases: ECC Terre Promise at none against Catechisme de Catholique's 3. ECC Terre Promise also leads on iOS requirement (15.0 vs 17.6). Catechisme de Catholique's advantage is update cadence (every 3 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Catechisme de Catholique sells 3 in-app purchases, starting at $2.99 per 7 days. ECC Terre Promise asks for nothing beyond the download.

ECC Terre Promise ships an update every 7 months, Catechisme de Catholique every 3 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | ECC Terre Promise | Catechisme de Catholique |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 51 MB | 59 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Della BIYAKOUDI](https://appshunter.io/developer/1757584646) | [Elisangela Silva](https://appshunter.io/developer/1006356078) |

## What reviewers say

### ECC Terre Promise

[App page](https://appshunter.io/ios/app/ecc-terre-promise/id6547849858)

**Features:** macOS Compatibility

**In-app purchases:** none


### Catechisme de Catholique

[App page](https://appshunter.io/ios/app/catechisme-de-catholique/id6575345047)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formule d'abonnement hebdomadaire | $2.99 | per 7 days |
| Abonnement mensuel | $8.99 | per month |
| Abonnement annuel | $24.99 | per year |


## Frequently asked questions

### Is ECC Terre Promise free?

ECC Terre Promise is free to download, with no in-app purchases.

### Is Catechisme de Catholique free?

Catechisme de Catholique is free to download, with in-app purchases available.

### Do ECC Terre Promise or Catechisme de Catholique have ads?

Both ECC Terre Promise and Catechisme de Catholique show ads.

### Which is updated more often, ECC Terre Promise or Catechisme de Catholique?

ECC Terre Promise ships an update every 7 months, and Catechisme de Catholique every 3 months. Most recently, ECC Terre Promise was updated on November 4, 2026 and Catechisme de Catholique on November 4, 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.*