# Calendrier des postes vs Days

The clearest difference is in-app purchases: Calendrier des postes at none against Days's 3. Calendrier des postes also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Days sells 3 in-app purchases, starting at $0.99 per 7 days. Calendrier des postes asks for nothing beyond the download.

Calendrier des postes ships an update every 6 weeks, Days every 3 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calendrier des postes | Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 25 MB | 15 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALVANCE ALUMINIUM DUNKERQUE](https://appshunter.io/developer/1558281119) | [浩东 邱](https://appshunter.io/developer/1493267968) |

## What reviewers say

### Calendrier des postes

[App page](https://appshunter.io/ios/app/calendrier-des-postes-adk/id1558281117)

**Features:** macOS Compatibility

**In-app purchases:** none


### Days

[App page](https://appshunter.io/ios/app/days-important-dates/id6748931827)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Calendrier des postes free?

Calendrier des postes is free to download, with no in-app purchases.

### Is Days free?

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

### Do Calendrier des postes or Days have ads?

Neither Calendrier des postes nor Days shows ads.

### Which is updated more often, Calendrier des postes or Days?

Calendrier des postes ships an update every 6 weeks, and Days every 3 months. Most recently, Calendrier des postes was updated on October 25, 2026 and Days on October 14, 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.*